a2c1fe7206
45509 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Peter Hilber
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a2c1fe7206 |
x86/tsc: Add clocksource ID, set system_counterval_t.cs_id
Add a clocksource ID for TSC and a distinct one for the early TSC. Use distinct IDs for TSC and early TSC, since those also have distinct clocksource structs. This should help to keep existing semantics when comparing clocksources. Also, set the recently added struct system_counterval_t member cs_id to the TSC ID in the cases where the clocksource member is being set to the TSC clocksource. In the future, get_device_system_crosststamp() will compare the clocksource ID in struct system_counterval_t, rather than the clocksource. For the x86 ART related code, system_counterval_t.cs == NULL corresponds to system_counterval_t.cs_id == CSID_GENERIC (0). Signed-off-by: Peter Hilber <peter.hilber@opensynergy.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/r/20240201010453.2212371-4-peter.hilber@opensynergy.com |
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Randy Dunlap
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c55cbfcea6 |
x86/tsc: Correct kernel-doc notation
Add or modify function descriptions to remove kernel-doc warnings: tsc.c:655: warning: missing initial short description on line: * native_calibrate_tsc tsc.c:1339: warning: Excess function parameter 'cycles' description in 'convert_art_ns_to_tsc' tsc.c:1339: warning: Excess function parameter 'cs' description in 'convert_art_ns_to_tsc' tsc.c:1373: warning: Function parameter or member 'work' not described in 'tsc_refine_calibration_work' Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/r/20231221033620.32379-1-rdunlap@infradead.org |
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Linus Torvalds
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a412682659 |
Kbuild fixes for v6.8
- Fix UML build with clang-18 and newer
- Avoid using the alias attribute in host programs
- Replace tabs with spaces when followed by conditionals for
future GNU Make versions
- Fix rpm-pkg for the systemd-provided kernel-install tool
- Fix the undefined behavior in Kconfig for a 'int' symbol used in a
conditional
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Merge tag 'kbuild-fixes-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Fix UML build with clang-18 and newer
- Avoid using the alias attribute in host programs
- Replace tabs with spaces when followed by conditionals for future GNU
Make versions
- Fix rpm-pkg for the systemd-provided kernel-install tool
- Fix the undefined behavior in Kconfig for a 'int' symbol used in a
conditional
* tag 'kbuild-fixes-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kconfig: initialize sym->curr.tri to 'no' for all symbol types again
kbuild: rpm-pkg: simplify installkernel %post
kbuild: Replace tabs with spaces when followed by conditionals
modpost: avoid using the alias attribute
kbuild: fix W= flags in the help message
modpost: Add '.ltext' and '.ltext.*' to TEXT_SECTIONS
um: Fix adding '-no-pie' for clang
kbuild: defconf: use SRCARCH to find merged configs
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Dmitry Goncharov
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82175d1f94 |
kbuild: Replace tabs with spaces when followed by conditionals
This is needed for the future (post make-4.4.1) versions of gnu make. Starting from https://git.savannah.gnu.org/cgit/make.git/commit/?id=07fcee35f058a876447c8a021f9eb1943f902534 gnu make won't allow conditionals to follow recipe prefix. For example there is a tab followed by ifeq on line 324 in the root Makefile. With the new make this conditional causes the following $ make cpu.o /home/dgoncharov/src/linux-kbuild/Makefile:2063: *** missing 'endif'. Stop. make: *** [Makefile:240: __sub-make] Error 2 This patch replaces tabs followed by conditionals with 8 spaces. See https://savannah.gnu.org/bugs/?64185 and https://savannah.gnu.org/bugs/?64259 for details. Signed-off-by: Dmitry Goncharov <dgoncharov@users.sf.net> Reported-by: Martin Dorey <martin.dorey@hitachivantara.com> Reviewed-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
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Linus Torvalds
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6f3d7d5ced |
22 hotfixes. 11 are cc:stable and the remainder address post-6.7 issues
or aren't considered appropriate for backporting. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCZbdSnwAKCRDdBJ7gKXxA jv49AQCY8eLOgE0L+25HZm99HleBwapbKJozcmsXgMPlgeFZHgEA8saExeL+Nzae 6ktxmGXoVw2t3FJ67Zr66VE3EyHVKAY= =HWuo -----END PGP SIGNATURE----- Merge tag 'mm-hotfixes-stable-2024-01-28-23-21' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull misc fixes from Andrew Morton: "22 hotfixes. 11 are cc:stable and the remainder address post-6.7 issues or aren't considered appropriate for backporting" * tag 'mm-hotfixes-stable-2024-01-28-23-21' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (22 commits) mm: thp_get_unmapped_area must honour topdown preference mm: huge_memory: don't force huge page alignment on 32 bit userfaultfd: fix mmap_changing checking in mfill_atomic_hugetlb selftests/mm: ksm_tests should only MADV_HUGEPAGE valid memory scs: add CONFIG_MMU dependency for vfree_atomic() mm/memory: fix folio_set_dirty() vs. folio_mark_dirty() in zap_pte_range() mm/huge_memory: fix folio_set_dirty() vs. folio_mark_dirty() selftests/mm: Update va_high_addr_switch.sh to check CPU for la57 flag selftests: mm: fix map_hugetlb failure on 64K page size systems MAINTAINERS: supplement of zswap maintainers update stackdepot: make fast paths lock-less again stackdepot: add stats counters exported via debugfs mm, kmsan: fix infinite recursion due to RCU critical section mm/writeback: fix possible divide-by-zero in wb_dirty_limits(), again selftests/mm: switch to bash from sh MAINTAINERS: add man-pages git trees mm: memcontrol: don't throttle dying tasks on memory.high mm: mmap: map MAP_STACK to VM_NOHUGEPAGE uprobes: use pagesize-aligned virtual address when replacing pages selftests/mm: mremap_test: fix build warning ... |
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Marco Elver
|
f6564fce25 |
mm, kmsan: fix infinite recursion due to RCU critical section
Alexander Potapenko writes in [1]: "For every memory access in the code
instrumented by KMSAN we call kmsan_get_metadata() to obtain the metadata
for the memory being accessed. For virtual memory the metadata pointers
are stored in the corresponding `struct page`, therefore we need to call
virt_to_page() to get them.
According to the comment in arch/x86/include/asm/page.h,
virt_to_page(kaddr) returns a valid pointer iff virt_addr_valid(kaddr) is
true, so KMSAN needs to call virt_addr_valid() as well.
To avoid recursion, kmsan_get_metadata() must not call instrumented code,
therefore ./arch/x86/include/asm/kmsan.h forks parts of
arch/x86/mm/physaddr.c to check whether a virtual address is valid or not.
But the introduction of rcu_read_lock() to pfn_valid() added instrumented
RCU API calls to virt_to_page_or_null(), which is called by
kmsan_get_metadata(), so there is an infinite recursion now. I do not
think it is correct to stop that recursion by doing
kmsan_enter_runtime()/kmsan_exit_runtime() in kmsan_get_metadata(): that
would prevent instrumented functions called from within the runtime from
tracking the shadow values, which might introduce false positives."
Fix the issue by switching pfn_valid() to the _sched() variant of
rcu_read_lock/unlock(), which does not require calling into RCU. Given
the critical section in pfn_valid() is very small, this is a reasonable
trade-off (with preemptible RCU).
KMSAN further needs to be careful to suppress calls into the scheduler,
which would be another source of recursion. This can be done by wrapping
the call to pfn_valid() into preempt_disable/enable_no_resched(). The
downside is that this sacrifices breaking scheduling guarantees; however,
a kernel compiled with KMSAN has already given up any performance
guarantees due to being heavily instrumented.
Note, KMSAN code already disables tracing via Makefile, and since mmzone.h
is included, it is not necessary to use the notrace variant, which is
generally preferred in all other cases.
Link: https://lkml.kernel.org/r/20240115184430.2710652-1-glider@google.com [1]
Link: https://lkml.kernel.org/r/20240118110022.2538350-1-elver@google.com
Fixes:
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Mario Limonciello
|
b9328fd636 |
x86/CPU/AMD: Add more models to X86_FEATURE_ZEN5
Add model ranges starting at 0x20, 0x40 and 0x70 to the synthetic feature flag X86_FEATURE_ZEN5. Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Link: https://lore.kernel.org/r/20240124220749.2983-1-mario.limonciello@amd.com |
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Richard Palethorpe
|
56062d60f1 |
x86/entry/ia32: Ensure s32 is sign extended to s64
Presently ia32 registers stored in ptregs are unconditionally cast to
unsigned int by the ia32 stub. They are then cast to long when passed to
__se_sys*, but will not be sign extended.
This takes the sign of the syscall argument into account in the ia32
stub. It still casts to unsigned int to avoid implementation specific
behavior. However then casts to int or unsigned int as necessary. So that
the following cast to long sign extends the value.
This fixes the io_pgetevents02 LTP test when compiled with -m32. Presently
the systemcall io_pgetevents_time64() unexpectedly accepts -1 for the
maximum number of events.
It doesn't appear other systemcalls with signed arguments are effected
because they all have compat variants defined and wired up.
Fixes:
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Tony Luck
|
090e3bec01 |
x86/cpu: Add model number for Intel Clearwater Forest processor
Server product based on the Atom Darkmont core. Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Link: https://lore.kernel.org/r/20240117191844.56180-1-tony.luck@intel.com |
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Borislav Petkov (AMD)
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3e4147f33f |
x86/CPU/AMD: Add X86_FEATURE_ZEN5
Add a synthetic feature flag for Zen5. Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Link: https://lore.kernel.org/r/20240104201138.5072-1-bp@alien8.de |
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Juergen Gross
|
f7cfe7017b |
x86/paravirt: Make BUG_func() usable by non-GPL modules
Several inlined functions subject to paravirt patching are referencing
BUG_func() after the recent switch to the alternative patching
mechanism.
As those functions can legally be used by non-GPL modules, BUG_func()
must be usable by those modules, too. So use EXPORT_SYMBOL() when
exporting BUG_func().
Fixes:
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Linus Torvalds
|
378de6df19 |
RTC for 6.8
Subsytem: New driver: - Analog Devices MAX31335 - Nuvoton ma35d1 - Texas Instrument TPS6594 PMIC RTC Drivers: - cmos: use ACPI alarm instead of HPET on recent AMD platforms - nuvoton: add NCT3015Y-R and NCT3018Y-R support - rv8803: proper suspend/resume and wakeup-source support -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEBqsFVZXh8s/0O5JiY6TcMGxwOjIFAmWpkqQACgkQY6TcMGxw OjJ2eQ//cDaUPgvOUQ2+qQiZOyOrjnck+QEyXZr2mcnNfRnMPiafJX09v3W4BMPh 0oOVNF5BbGofTgJRnTC9BCRQnq8XZUwXaMr1B+mLQF4V9Xq3896pILkdRmd0q7EW 3qwKCNP1vkYx2hGyWB9wVAMESAdUIFHCLxJWeQZ3ESGUacMoON0cdFa96TUx4fKa m29ybMTHRHKpnZsIYpegxG42lWp84IPvTbtySbT52dr2ucLToVos/dX23juQ40D0 nyUa8Q+g6aLoTxjZPcFwK6dHJJIwWz56s40IbMRGr6dVfRis5QZfIQ/cB8ULj48L AkCtN6kptVsov/W2R9ZriTf5p53K7Fmwz+dhccW7SxA82cGyswWOD3BNzzOYnzPY pKSVeTnR7mD2IC28pGrekSpg3ExuNu/4+WHnz0EwpjgyXmtlxnfK6oV9nf8bIUsn JsY3tNOvenv8NQSQ1at3GugeQ4bGMbxay6pL9zm5EZjYGMDX0z7IcPFr9KeYC5tJ 60dYWCGuB2JF0WocuAXSNrj2l9VFFqhn7OdDVuiB00rBROQcKKV/H30EnmAwRUI1 8SZhVJ0TIeoG6XsajhbapvOH8EWUnKPn1mgJxSiyVR6Hz93oZldIPK3cUtfjcltx xl7LdVeseE1CXGh4g222CI0MCX6x1QPQ5L8jhgc67dyTUx/wQ4Q= =7u4i -----END PGP SIGNATURE----- Merge tag 'rtc-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux Pull RTC updates from Alexandre Belloni: "There are three new drivers this cycle. Also the cmos driver is getting fixes for longstanding wakeup issues on AMD. New drivers: - Analog Devices MAX31335 - Nuvoton ma35d1 - Texas Instrument TPS6594 PMIC RTC Drivers: - cmos: use ACPI alarm instead of HPET on recent AMD platforms - nuvoton: add NCT3015Y-R and NCT3018Y-R support - rv8803: proper suspend/resume and wakeup-source support" * tag 'rtc-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (26 commits) rtc: nuvoton: Compatible with NCT3015Y-R and NCT3018Y-R rtc: da9063: Use dev_err_probe() rtc: da9063: Use device_get_match_data() rtc: da9063: Make IRQ as optional rtc: max31335: Fix comparison in max31335_volatile_reg() rtc: max31335: use regmap_update_bits_check rtc: max31335: remove unecessary locking rtc: max31335: add driver support dt-bindings: rtc: max31335: add max31335 bindings rtc: rv8803: add wakeup-source support rtc: ac100: remove misuses of kernel-doc rtc: class: Remove usage of the deprecated ida_simple_xx() API rtc: MAINTAINERS: drop Alessandro Zummo rtc: ma35d1: remove hardcoded UIE support dt-bindings: rtc: qcom-pm8xxx: fix inconsistent example rtc: rv8803: Add power management support rtc: ds3232: avoid unused-const-variable warning rtc: lpc24xx: add missing dependency rtc: tps6594: Add driver for TPS6594 RTC rtc: Add driver for Nuvoton ma35d1 rtc controller ... |
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Linus Torvalds
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0dde2bf67b |
IOMMU Updates for Linux v6.8
Including:
- Core changes:
- Fix race conditions in device probe path
- Retire IOMMU bus_ops
- Support for passing custom allocators to page table drivers
- Clean up Kconfig around IOMMU_SVA
- Support for sharing SVA domains with all devices bound to
a mm
- Firmware data parsing cleanup
- Tracing improvements for iommu-dma code
- Some smaller fixes and cleanups
- ARM-SMMU drivers:
- Device-tree binding updates:
- Add additional compatible strings for Qualcomm SoCs
- Document Adreno clocks for Qualcomm's SM8350 SoC
- SMMUv2:
- Implement support for the ->domain_alloc_paging() callback
- Ensure Secure context is restored following suspend of Qualcomm SMMU
implementation
- SMMUv3:
- Disable stalling mode for the "quiet" context descriptor
- Minor refactoring and driver cleanups
- Intel VT-d driver:
- Cleanup and refactoring
- AMD IOMMU driver:
- Improve IO TLB invalidation logic
- Small cleanups and improvements
- Rockchip IOMMU driver:
- DT binding update to add Rockchip RK3588
- Apple DART driver:
- Apple M1 USB4/Thunderbolt DART support
- Cleanups
- Virtio IOMMU driver:
- Add support for iotlb_sync_map
- Enable deferred IO TLB flushes
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Merge tag 'iommu-updates-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu updates from Joerg Roedel:
"Core changes:
- Fix race conditions in device probe path
- Retire IOMMU bus_ops
- Support for passing custom allocators to page table drivers
- Clean up Kconfig around IOMMU_SVA
- Support for sharing SVA domains with all devices bound to a mm
- Firmware data parsing cleanup
- Tracing improvements for iommu-dma code
- Some smaller fixes and cleanups
ARM-SMMU drivers:
- Device-tree binding updates:
- Add additional compatible strings for Qualcomm SoCs
- Document Adreno clocks for Qualcomm's SM8350 SoC
- SMMUv2:
- Implement support for the ->domain_alloc_paging() callback
- Ensure Secure context is restored following suspend of Qualcomm
SMMU implementation
- SMMUv3:
- Disable stalling mode for the "quiet" context descriptor
- Minor refactoring and driver cleanups
Intel VT-d driver:
- Cleanup and refactoring
AMD IOMMU driver:
- Improve IO TLB invalidation logic
- Small cleanups and improvements
Rockchip IOMMU driver:
- DT binding update to add Rockchip RK3588
Apple DART driver:
- Apple M1 USB4/Thunderbolt DART support
- Cleanups
Virtio IOMMU driver:
- Add support for iotlb_sync_map
- Enable deferred IO TLB flushes"
* tag 'iommu-updates-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (66 commits)
iommu: Don't reserve 0-length IOVA region
iommu/vt-d: Move inline helpers to header files
iommu/vt-d: Remove unused vcmd interfaces
iommu/vt-d: Remove unused parameter of intel_pasid_setup_pass_through()
iommu/vt-d: Refactor device_to_iommu() to retrieve iommu directly
iommu/sva: Fix memory leak in iommu_sva_bind_device()
dt-bindings: iommu: rockchip: Add Rockchip RK3588
iommu/dma: Trace bounce buffer usage when mapping buffers
iommu/arm-smmu: Convert to domain_alloc_paging()
iommu/arm-smmu: Pass arm_smmu_domain to internal functions
iommu/arm-smmu: Implement IOMMU_DOMAIN_BLOCKED
iommu/arm-smmu: Convert to a global static identity domain
iommu/arm-smmu: Reorganize arm_smmu_domain_add_master()
iommu/arm-smmu-v3: Remove ARM_SMMU_DOMAIN_NESTED
iommu/arm-smmu-v3: Master cannot be NULL in arm_smmu_write_strtab_ent()
iommu/arm-smmu-v3: Add a type for the STE
iommu/arm-smmu-v3: disable stall for quiet_cd
iommu/qcom: restore IOMMU state if needed
iommu/arm-smmu-qcom: Add QCM2290 MDSS compatible
iommu/arm-smmu-qcom: Add missing GMU entry to match table
...
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Linus Torvalds
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b4442cadca |
- Add support managing TDX host hardware
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||
|
Linus Torvalds
|
80955ae955 |
Driver core changes for 6.8-rc1
Here are the set of driver core and kernfs changes for 6.8-rc1. Nothing
major in here this release cycle, just lots of small cleanups and some
tweaks on kernfs that in the very end, got reverted and will come back
in a safer way next release cycle.
Included in here are:
- more driver core 'const' cleanups and fixes
- fw_devlink=rpm is now the default behavior
- kernfs tiny changes to remove some string functions
- cpu handling in the driver core is updated to work better on many
systems that add topologies and cpus after booting
- other minor changes and cleanups
All of the cpu handling patches have been acked by the respective
maintainers and are coming in here in one series. Everything has been
in linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here are the set of driver core and kernfs changes for 6.8-rc1.
Nothing major in here this release cycle, just lots of small cleanups
and some tweaks on kernfs that in the very end, got reverted and will
come back in a safer way next release cycle.
Included in here are:
- more driver core 'const' cleanups and fixes
- fw_devlink=rpm is now the default behavior
- kernfs tiny changes to remove some string functions
- cpu handling in the driver core is updated to work better on many
systems that add topologies and cpus after booting
- other minor changes and cleanups
All of the cpu handling patches have been acked by the respective
maintainers and are coming in here in one series. Everything has been
in linux-next for a while with no reported issues"
* tag 'driver-core-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (51 commits)
Revert "kernfs: convert kernfs_idr_lock to an irq safe raw spinlock"
kernfs: convert kernfs_idr_lock to an irq safe raw spinlock
class: fix use-after-free in class_register()
PM: clk: make pm_clk_add_notifier() take a const pointer
EDAC: constantify the struct bus_type usage
kernfs: fix reference to renamed function
driver core: device.h: fix Excess kernel-doc description warning
driver core: class: fix Excess kernel-doc description warning
driver core: mark remaining local bus_type variables as const
driver core: container: make container_subsys const
driver core: bus: constantify subsys_register() calls
driver core: bus: make bus_sort_breadthfirst() take a const pointer
kernfs: d_obtain_alias(NULL) will do the right thing...
driver core: Better advertise dev_err_probe()
kernfs: Convert kernfs_path_from_node_locked() from strlcpy() to strscpy()
kernfs: Convert kernfs_name_locked() from strlcpy() to strscpy()
kernfs: Convert kernfs_walk_ns() from strlcpy() to strscpy()
initramfs: Expose retained initrd as sysfs file
fs/kernfs/dir: obey S_ISGID
kernel/cgroup: use kernfs_create_dir_ns()
...
|
||
|
Linus Torvalds
|
e1aa9df440 |
pci-v6.8-changes
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Merge tag 'pci-v6.8-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci updates from Bjorn Helgaas:
"Enumeration:
- Reserve ECAM so we don't assign it to PCI BARs; this works around
bugs where BIOS included ECAM in a PNP0A03 host bridge window,
didn't reserve it via a PNP0C02 motherboard device, and didn't
allocate space for SR-IOV VF BARs (Bjorn Helgaas)
- Add MMCONFIG/ECAM debug logging (Bjorn Helgaas)
- Rename 'MMCONFIG' to 'ECAM' to match spec usage (Bjorn Helgaas)
- Log device type (Root Port, Switch Port, etc) during enumeration
(Bjorn Helgaas)
- Log bridges before downstream devices so the dmesg order is more
logical (Bjorn Helgaas)
- Log resource names (BAR 0, VF BAR 0, bridge window, etc)
consistently instead of a mix of names and "reg 0x10" (Puranjay
Mohan, Bjorn Helgaas)
- Fix 64GT/s effective data rate calculation to use 1b/1b encoding
rather than the 8b/10b or 128b/130b used by lower rates (Ilpo
Järvinen)
- Use PCI_HEADER_TYPE_* instead of literals in x86, powerpc, SCSI
lpfc (Ilpo Järvinen)
- Clean up open-coded PCIBIOS return code mangling (Ilpo Järvinen)
Resource management:
- Restructure pci_dev_for_each_resource() to avoid computing the
address of an out-of-bounds array element (the bounds check was
performed later so the element was never actually *read*, but it's
nicer to avoid even computing an out-of-bounds address) (Andy
Shevchenko)
Driver binding:
- Convert pci-host-common.c platform .remove() callback to
.remove_new() returning 'void' since it's not useful to return
error codes here (Uwe Kleine-König)
- Convert exynos, keystone, kirin from .remove() to .remove_new(),
which returns void instead of int (Uwe Kleine-König)
- Drop unused struct pci_driver.node member (Mathias Krause)
Virtualization:
- Add ACS quirk for more Zhaoxin Root Ports (LeoLiuoc)
Error handling:
- Log AER errors as "Correctable" (not "Corrected") or
"Uncorrectable" to match spec terminology (Bjorn Helgaas)
- Decode Requester ID when no error info found instead of printing
the raw hex value (Bjorn Helgaas)
Endpoint framework:
- Use a unique test pattern for each BAR in the pci_endpoint_test to
make it easier to debug address translation issues (Niklas Cassel)
Broadcom STB PCIe controller driver:
- Add DT property "brcm,clkreq-mode" and driver support for different
CLKREQ# modes to make ASPM L1.x states possible (Jim Quinlan)
Freescale Layerscape PCIe controller driver:
- Add suspend/resume support for Layerscape LS1043a and LS1021a,
including software-managed PME_Turn_Off and transitions between L0,
L2/L3_Ready Link states (Frank Li)
MediaTek PCIe controller driver:
- Clear MSI interrupt status before handler to avoid missing MSIs
that occur after the handler (qizhong cheng)
MediaTek PCIe Gen3 controller driver:
- Update mediatek-gen3 translation window setup to handle MMIO space
that is not a power of two in size (Jianjun Wang)
Qualcomm PCIe controller driver:
- Increase qcom iommu-map maxItems to accommodate SDX55 (five
entries) and SDM845 (sixteen entries) (Krzysztof Kozlowski)
- Describe qcom,pcie-sc8180x clocks and resets accurately (Krzysztof
Kozlowski)
- Describe qcom,pcie-sm8150 clocks and resets accurately (Krzysztof
Kozlowski)
- Correct the qcom "reset-name" property, previously incorrectly
called "reset-names" (Krzysztof Kozlowski)
- Document qcom,pcie-sm8650, based on qcom,pcie-sm8550 (Neil
Armstrong)
Renesas R-Car PCIe controller driver:
- Replace of_device.h with explicit of.h include to untangle header
usage (Rob Herring)
- Add DT and driver support for optional miniPCIe 1.5v and 3.3v
regulators on KingFisher (Wolfram Sang)
SiFive FU740 PCIe controller driver:
- Convert fu740 CONFIG_PCIE_FU740 dependency from SOC_SIFIVE to
ARCH_SIFIVE (Conor Dooley)
Synopsys DesignWare PCIe controller driver:
- Align iATU mapping for endpoint MSI-X (Niklas Cassel)
- Drop "host_" prefix from struct dw_pcie_host_ops members (Yoshihiro
Shimoda)
- Drop "ep_" prefix from struct dw_pcie_ep_ops members (Yoshihiro
Shimoda)
- Rename struct dw_pcie_ep_ops.func_conf_select() to
.get_dbi_offset() to be more descriptive (Yoshihiro Shimoda)
- Add Endpoint DBI accessors to encapsulate offset lookups (Yoshihiro
Shimoda)
TI J721E PCIe driver:
- Add j721e DT and driver support for 'num-lanes' for devices that
support x1, x2, or x4 Links (Matt Ranostay)
- Add j721e DT compatible strings and driver support for j784s4 (Matt
Ranostay)
- Make TI J721E Kconfig depend on ARCH_K3 since the hardware is
specific to those TI SoC parts (Peter Robinson)
TI Keystone PCIe controller driver:
- Hold power management references to all PHYs while enabling them to
avoid a race when one provides clocks to others (Siddharth
Vadapalli)
Xilinx XDMA PCIe controller driver:
- Remove redundant dev_err(), since platform_get_irq() and
platform_get_irq_byname() already log errors (Yang Li)
- Fix uninitialized symbols in xilinx_pl_dma_pcie_setup_irq()
(Krzysztof Wilczyński)
- Fix xilinx_pl_dma_pcie_init_irq_domain() error return when
irq_domain_add_linear() fails (Harshit Mogalapalli)
MicroSemi Switchtec management driver:
- Do dma_mrpc cleanup during switchtec_pci_remove() to match its devm
ioremapping in switchtec_pci_probe(). Previously the cleanup was
done in stdev_release(), which used stale pointers if stdev->cdev
happened to be open when the PCI device was removed (Daniel
Stodden)
Miscellaneous:
- Convert interrupt terminology from "legacy" to "INTx" to be more
specific and match spec terminology (Damien Le Moal)
- In dw-xdata-pcie, pci_endpoint_test, and vmd, replace usage of
deprecated ida_simple_*() API with ida_alloc() and ida_free()
(Christophe JAILLET)"
* tag 'pci-v6.8-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (97 commits)
PCI: Fix kernel-doc issues
PCI: brcmstb: Configure HW CLKREQ# mode appropriate for downstream device
dt-bindings: PCI: brcmstb: Add property "brcm,clkreq-mode"
PCI: mediatek-gen3: Fix translation window size calculation
PCI: mediatek: Clear interrupt status before dispatching handler
PCI: keystone: Fix race condition when initializing PHYs
PCI: xilinx-xdma: Fix error code in xilinx_pl_dma_pcie_init_irq_domain()
PCI: xilinx-xdma: Fix uninitialized symbols in xilinx_pl_dma_pcie_setup_irq()
PCI: rcar-gen4: Fix -Wvoid-pointer-to-enum-cast error
PCI: iproc: Fix -Wvoid-pointer-to-enum-cast warning
PCI: dwc: Add dw_pcie_ep_{read,write}_dbi[2] helpers
PCI: dwc: Rename .func_conf_select to .get_dbi_offset in struct dw_pcie_ep_ops
PCI: dwc: Rename .ep_init to .init in struct dw_pcie_ep_ops
PCI: dwc: Drop host prefix from struct dw_pcie_host_ops members
misc: pci_endpoint_test: Use a unique test pattern for each BAR
PCI: j721e: Make TI J721E depend on ARCH_K3
PCI: j721e: Add TI J784S4 PCIe configuration
PCI/AER: Use explicit register sizes for struct members
PCI/AER: Decode Requester ID when no error info found
PCI/AER: Use 'Correctable' and 'Uncorrectable' spec terms for errors
...
|
||
|
Linus Torvalds
|
09d1c6a80f |
Generic:
- Use memdup_array_user() to harden against overflow.
- Unconditionally advertise KVM_CAP_DEVICE_CTRL for all architectures.
- Clean up Kconfigs that all KVM architectures were selecting
- New functionality around "guest_memfd", a new userspace API that
creates an anonymous file and returns a file descriptor that refers
to it. guest_memfd files are bound to their owning virtual machine,
cannot be mapped, read, or written by userspace, and cannot be resized.
guest_memfd files do however support PUNCH_HOLE, which can be used to
switch a memory area between guest_memfd and regular anonymous memory.
- New ioctl KVM_SET_MEMORY_ATTRIBUTES allowing userspace to specify
per-page attributes for a given page of guest memory; right now the
only attribute is whether the guest expects to access memory via
guest_memfd or not, which in Confidential SVMs backed by SEV-SNP,
TDX or ARM64 pKVM is checked by firmware or hypervisor that guarantees
confidentiality (AMD PSP, Intel TDX module, or EL2 in the case of pKVM).
x86:
- Support for "software-protected VMs" that can use the new guest_memfd
and page attributes infrastructure. This is mostly useful for testing,
since there is no pKVM-like infrastructure to provide a meaningfully
reduced TCB.
- Fix a relatively benign off-by-one error when splitting huge pages during
CLEAR_DIRTY_LOG.
- Fix a bug where KVM could incorrectly test-and-clear dirty bits in non-leaf
TDP MMU SPTEs if a racing thread replaces a huge SPTE with a non-huge SPTE.
- Use more generic lockdep assertions in paths that don't actually care
about whether the caller is a reader or a writer.
- let Xen guests opt out of having PV clock reported as "based on a stable TSC",
because some of them don't expect the "TSC stable" bit (added to the pvclock
ABI by KVM, but never set by Xen) to be set.
- Revert a bogus, made-up nested SVM consistency check for TLB_CONTROL.
- Advertise flush-by-ASID support for nSVM unconditionally, as KVM always
flushes on nested transitions, i.e. always satisfies flush requests. This
allows running bleeding edge versions of VMware Workstation on top of KVM.
- Sanity check that the CPU supports flush-by-ASID when enabling SEV support.
- On AMD machines with vNMI, always rely on hardware instead of intercepting
IRET in some cases to detect unmasking of NMIs
- Support for virtualizing Linear Address Masking (LAM)
- Fix a variety of vPMU bugs where KVM fail to stop/reset counters and other state
prior to refreshing the vPMU model.
- Fix a double-overflow PMU bug by tracking emulated counter events using a
dedicated field instead of snapshotting the "previous" counter. If the
hardware PMC count triggers overflow that is recognized in the same VM-Exit
that KVM manually bumps an event count, KVM would pend PMIs for both the
hardware-triggered overflow and for KVM-triggered overflow.
- Turn off KVM_WERROR by default for all configs so that it's not
inadvertantly enabled by non-KVM developers, which can be problematic for
subsystems that require no regressions for W=1 builds.
- Advertise all of the host-supported CPUID bits that enumerate IA32_SPEC_CTRL
"features".
- Don't force a masterclock update when a vCPU synchronizes to the current TSC
generation, as updating the masterclock can cause kvmclock's time to "jump"
unexpectedly, e.g. when userspace hotplugs a pre-created vCPU.
- Use RIP-relative address to read kvm_rebooting in the VM-Enter fault paths,
partly as a super minor optimization, but mostly to make KVM play nice with
position independent executable builds.
- Guard KVM-on-HyperV's range-based TLB flush hooks with an #ifdef on
CONFIG_HYPERV as a minor optimization, and to self-document the code.
- Add CONFIG_KVM_HYPERV to allow disabling KVM support for HyperV "emulation"
at build time.
ARM64:
- LPA2 support, adding 52bit IPA/PA capability for 4kB and 16kB
base granule sizes. Branch shared with the arm64 tree.
- Large Fine-Grained Trap rework, bringing some sanity to the
feature, although there is more to come. This comes with
a prefix branch shared with the arm64 tree.
- Some additional Nested Virtualization groundwork, mostly
introducing the NV2 VNCR support and retargetting the NV
support to that version of the architecture.
- A small set of vgic fixes and associated cleanups.
Loongarch:
- Optimization for memslot hugepage checking
- Cleanup and fix some HW/SW timer issues
- Add LSX/LASX (128bit/256bit SIMD) support
RISC-V:
- KVM_GET_REG_LIST improvement for vector registers
- Generate ISA extension reg_list using macros in get-reg-list selftest
- Support for reporting steal time along with selftest
s390:
- Bugfixes
Selftests:
- Fix an annoying goof where the NX hugepage test prints out garbage
instead of the magic token needed to run the test.
- Fix build errors when a header is delete/moved due to a missing flag
in the Makefile.
- Detect if KVM bugged/killed a selftest's VM and print out a helpful
message instead of complaining that a random ioctl() failed.
- Annotate the guest printf/assert helpers with __printf(), and fix the
various bugs that were lurking due to lack of said annotation.
There are two non-KVM patches buried in the middle of guest_memfd support:
fs: Rename anon_inode_getfile_secure() and anon_inode_getfd_secure()
mm: Add AS_UNMOVABLE to mark mapping as completely unmovable
The first is small and mostly suggested-by Christian Brauner; the second
a bit less so but it was written by an mm person (Vlastimil Babka).
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm updates from Paolo Bonzini:
"Generic:
- Use memdup_array_user() to harden against overflow.
- Unconditionally advertise KVM_CAP_DEVICE_CTRL for all
architectures.
- Clean up Kconfigs that all KVM architectures were selecting
- New functionality around "guest_memfd", a new userspace API that
creates an anonymous file and returns a file descriptor that refers
to it. guest_memfd files are bound to their owning virtual machine,
cannot be mapped, read, or written by userspace, and cannot be
resized. guest_memfd files do however support PUNCH_HOLE, which can
be used to switch a memory area between guest_memfd and regular
anonymous memory.
- New ioctl KVM_SET_MEMORY_ATTRIBUTES allowing userspace to specify
per-page attributes for a given page of guest memory; right now the
only attribute is whether the guest expects to access memory via
guest_memfd or not, which in Confidential SVMs backed by SEV-SNP,
TDX or ARM64 pKVM is checked by firmware or hypervisor that
guarantees confidentiality (AMD PSP, Intel TDX module, or EL2 in
the case of pKVM).
x86:
- Support for "software-protected VMs" that can use the new
guest_memfd and page attributes infrastructure. This is mostly
useful for testing, since there is no pKVM-like infrastructure to
provide a meaningfully reduced TCB.
- Fix a relatively benign off-by-one error when splitting huge pages
during CLEAR_DIRTY_LOG.
- Fix a bug where KVM could incorrectly test-and-clear dirty bits in
non-leaf TDP MMU SPTEs if a racing thread replaces a huge SPTE with
a non-huge SPTE.
- Use more generic lockdep assertions in paths that don't actually
care about whether the caller is a reader or a writer.
- let Xen guests opt out of having PV clock reported as "based on a
stable TSC", because some of them don't expect the "TSC stable" bit
(added to the pvclock ABI by KVM, but never set by Xen) to be set.
- Revert a bogus, made-up nested SVM consistency check for
TLB_CONTROL.
- Advertise flush-by-ASID support for nSVM unconditionally, as KVM
always flushes on nested transitions, i.e. always satisfies flush
requests. This allows running bleeding edge versions of VMware
Workstation on top of KVM.
- Sanity check that the CPU supports flush-by-ASID when enabling SEV
support.
- On AMD machines with vNMI, always rely on hardware instead of
intercepting IRET in some cases to detect unmasking of NMIs
- Support for virtualizing Linear Address Masking (LAM)
- Fix a variety of vPMU bugs where KVM fail to stop/reset counters
and other state prior to refreshing the vPMU model.
- Fix a double-overflow PMU bug by tracking emulated counter events
using a dedicated field instead of snapshotting the "previous"
counter. If the hardware PMC count triggers overflow that is
recognized in the same VM-Exit that KVM manually bumps an event
count, KVM would pend PMIs for both the hardware-triggered overflow
and for KVM-triggered overflow.
- Turn off KVM_WERROR by default for all configs so that it's not
inadvertantly enabled by non-KVM developers, which can be
problematic for subsystems that require no regressions for W=1
builds.
- Advertise all of the host-supported CPUID bits that enumerate
IA32_SPEC_CTRL "features".
- Don't force a masterclock update when a vCPU synchronizes to the
current TSC generation, as updating the masterclock can cause
kvmclock's time to "jump" unexpectedly, e.g. when userspace
hotplugs a pre-created vCPU.
- Use RIP-relative address to read kvm_rebooting in the VM-Enter
fault paths, partly as a super minor optimization, but mostly to
make KVM play nice with position independent executable builds.
- Guard KVM-on-HyperV's range-based TLB flush hooks with an #ifdef on
CONFIG_HYPERV as a minor optimization, and to self-document the
code.
- Add CONFIG_KVM_HYPERV to allow disabling KVM support for HyperV
"emulation" at build time.
ARM64:
- LPA2 support, adding 52bit IPA/PA capability for 4kB and 16kB base
granule sizes. Branch shared with the arm64 tree.
- Large Fine-Grained Trap rework, bringing some sanity to the
feature, although there is more to come. This comes with a prefix
branch shared with the arm64 tree.
- Some additional Nested Virtualization groundwork, mostly
introducing the NV2 VNCR support and retargetting the NV support to
that version of the architecture.
- A small set of vgic fixes and associated cleanups.
Loongarch:
- Optimization for memslot hugepage checking
- Cleanup and fix some HW/SW timer issues
- Add LSX/LASX (128bit/256bit SIMD) support
RISC-V:
- KVM_GET_REG_LIST improvement for vector registers
- Generate ISA extension reg_list using macros in get-reg-list
selftest
- Support for reporting steal time along with selftest
s390:
- Bugfixes
Selftests:
- Fix an annoying goof where the NX hugepage test prints out garbage
instead of the magic token needed to run the test.
- Fix build errors when a header is delete/moved due to a missing
flag in the Makefile.
- Detect if KVM bugged/killed a selftest's VM and print out a helpful
message instead of complaining that a random ioctl() failed.
- Annotate the guest printf/assert helpers with __printf(), and fix
the various bugs that were lurking due to lack of said annotation"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (185 commits)
x86/kvm: Do not try to disable kvmclock if it was not enabled
KVM: x86: add missing "depends on KVM"
KVM: fix direction of dependency on MMU notifiers
KVM: introduce CONFIG_KVM_COMMON
KVM: arm64: Add missing memory barriers when switching to pKVM's hyp pgd
KVM: arm64: vgic-its: Avoid potential UAF in LPI translation cache
RISC-V: KVM: selftests: Add get-reg-list test for STA registers
RISC-V: KVM: selftests: Add steal_time test support
RISC-V: KVM: selftests: Add guest_sbi_probe_extension
RISC-V: KVM: selftests: Move sbi_ecall to processor.c
RISC-V: KVM: Implement SBI STA extension
RISC-V: KVM: Add support for SBI STA registers
RISC-V: KVM: Add support for SBI extension registers
RISC-V: KVM: Add SBI STA info to vcpu_arch
RISC-V: KVM: Add steal-update vcpu request
RISC-V: KVM: Add SBI STA extension skeleton
RISC-V: paravirt: Implement steal-time support
RISC-V: Add SBI STA extension definitions
RISC-V: paravirt: Add skeleton for pv-time support
RISC-V: KVM: Fix indentation in kvm_riscv_vcpu_set_reg_csr()
...
|
||
|
Linus Torvalds
|
6cff79f4b9 |
This pull request contains the following changes for UML:
- Clang coverage support - Many cleanups from Benjamin Berg - Various minor fixes -----BEGIN PGP SIGNATURE----- iQJKBAABCAA0FiEEdgfidid8lnn52cLTZvlZhesYu8EFAmWi86sWHHJpY2hhcmRA c2lnbWEtc3Rhci5hdAAKCRBm+VmF6xi7wWB9D/0XLw6RzLkav+fZzaNhNsP1jzGn cQ3Yl29WcCsL+7iMVy/fLPZns8SlgBtVDZ6YZMNxrjjOBLu1VTOv30dNwYpvKUDj ERakIpZeqg8+w6+pOK3lLWRkjjBVDrFM+e6vgZ+2iEFkvHhyHk7LhcfAanC3CTUO qU4dLqZDpO4H98xhkbksc847I8Yg8mx9vLrqZBxQ8tfT2tLHMfzuR7kCvRfxOFso 4QDe4NImgEF5WLlK3Aj92NWxbMUZvw1f0bEuJGQJPr6GsLbNcsrlQCZIis/mov82 6176c3Jl1lHyBYsYyPAagVpqVBN+Q1gL1+YGz4Nv+wZFTqk5RvxMzVDdkpP6QEAV ZJjdJdBJHrAqrzIdiY8XfPYBsu5iZYCLr8q3wJxQYYBrV3s8eXsFXMqoLHKBVOe6 OSgTv2OJrSvXZzXgI+5nysVVqOeoImcRzQXuVHha5jhrf6sPeGxB+hOuTccPLOG4 kIEoC+8CaR+vlHBspg2qU+wN0QAqvIFPID05p0GM37UnskxeOxSksMSkwPAVdhqD 6Mq+L5TDx6ShRfQ0KC1PGmByv312bRLudZ34BBAhoEspixI1AISbDn2wX7pKqERq yC9h/49XmjqcCjmE2TsQ1k4zhUSo8CT/Z8SUmrmqnbrUmchdRCEBplolZpBbKfGO U+l4hGt7O5BrPO0Tzw== =oH6k -----END PGP SIGNATURE----- Merge tag 'uml-for-linus-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux Pull UML updates from Richard Weinberger: - Clang coverage support - Many cleanups from Benjamin Berg - Various minor fixes * tag 'uml-for-linus-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux: um: Mark 32bit syscall helpers as clobbering memory um: Remove unused register save/restore functions um: Rely on PTRACE_SETREGSET to set FS/GS base registers Documentation: kunit: Add clang UML coverage example arch: um: Add Clang coverage support um: time-travel: fix time corruption um: net: Fix return type of uml_net_start_xmit() um: Always inline stub functions um: Do not use printk in userspace trampoline um: Reap winch thread if it fails um: Do not use printk in SIGWINCH helper thread um: Don't use vfprintf() for os_info() um: Make errors to stop ptraced child fatal during startup um: Drop NULL check from start_userspace um: Drop support for hosts without SYSEMU_SINGLESTEP support um: document arch_futex_atomic_op_inuser um: mmu: remove stub_pages um: Fix naming clash between UML and scheduler um: virt-pci: fix platform map offset |
||
Bjorn Helgaas
|
78e5ad791f |
Merge branch 'pci/enumeration'
- Convert pci-host-common.c platform .remove() callback to .remove_new() returning 'void' since it's not useful to return error codes here (Uwe Kleine-König) - Log a message about updating AMD USB controller class code (so dwc3, not xhci, claims it) only when we actually change it (Guilherme G. Piccoli) - Use PCI_HEADER_TYPE_* instead of literals in x86, powerpc, SCSI lpfc (Ilpo Järvinen) - Clean up open-coded PCIBIOS return code mangling (Ilpo Järvinen) - Fix 64GT/s effective data rate calculation to use 1b/1b encoding rather than the 8b/10b or 128b/130b used by lower rates (Ilpo Järvinen) * pci/enumeration: PCI: Fix 64GT/s effective data rate calculation x86/pci: Clean up open-coded PCIBIOS return code mangling scsi: lpfc: Use PCI_HEADER_TYPE_MFD instead of literal powerpc/fsl-pci: Use PCI_HEADER_TYPE_MASK instead of literal x86/pci: Use PCI_HEADER_TYPE_* instead of literals PCI: Only override AMD USB controller if required PCI: host-generic: Convert to platform remove callback returning void |
||
|
Linus Torvalds
|
3e7aeb78ab |
Networking changes for 6.8.
Core & protocols
----------------
- Analyze and reorganize core networking structs (socks, netdev,
netns, mibs) to optimize cacheline consumption and set up
build time warnings to safeguard against future header changes.
This improves TCP performances with many concurrent connections
up to 40%.
- Add page-pool netlink-based introspection, exposing the
memory usage and recycling stats. This helps indentify
bad PP users and possible leaks.
- Refine TCP/DCCP source port selection to no longer favor even
source port at connect() time when IP_LOCAL_PORT_RANGE is set.
This lowers the time taken by connect() for hosts having
many active connections to the same destination.
- Refactor the TCP bind conflict code, shrinking related socket
structs.
- Refactor TCP SYN-Cookie handling, as a preparation step to
allow arbitrary SYN-Cookie processing via eBPF.
- Tune optmem_max for 0-copy usage, increasing the default value
to 128KB and namespecifying it.
- Allow coalescing for cloned skbs coming from page pools, improving
RX performances with some common configurations.
- Reduce extension header parsing overhead at GRO time.
- Add bridge MDB bulk deletion support, allowing user-space to
request the deletion of matching entries.
- Reorder nftables struct members, to keep data accessed by the
datapath first.
- Introduce TC block ports tracking and use. This allows supporting
multicast-like behavior at the TC layer.
- Remove UAPI support for retired TC qdiscs (dsmark, CBQ and ATM) and
classifiers (RSVP and tcindex).
- More data-race annotations.
- Extend the diag interface to dump TCP bound-only sockets.
- Conditional notification of events for TC qdisc class and actions.
- Support for WPAN dynamic associations with nearby devices, to form
a sub-network using a specific PAN ID.
- Implement SMCv2.1 virtual ISM device support.
- Add support for Batman-avd mulicast packet type.
BPF
---
- Tons of verifier improvements:
- BPF register bounds logic and range support along with a large
test suite
- log improvements
- complete precision tracking support for register spills
- track aligned STACK_ZERO cases as imprecise spilled registers. It
improves the verifier "instructions processed" metric from single
digit to 50-60% for some programs
- support for user's global BPF subprogram arguments with few
commonly requested annotations for a better developer experience
- support tracking of BPF_JNE which helps cases when the compiler
transforms (unsigned) "a > 0" into "if a == 0 goto xxx" and the
like
- several fixes
- Add initial TX metadata implementation for AF_XDP with support in
mlx5 and stmmac drivers. Two types of offloads are supported right
now, that is, TX timestamp and TX checksum offload.
- Fix kCFI bugs in BPF all forms of indirect calls from BPF into
kernel and from kernel into BPF work with CFI enabled. This allows
BPF to work with CONFIG_FINEIBT=y.
- Change BPF verifier logic to validate global subprograms lazily
instead of unconditionally before the main program, so they can be
guarded using BPF CO-RE techniques.
- Support uid/gid options when mounting bpffs.
- Add a new kfunc which acquires the associated cgroup of a task
within a specific cgroup v1 hierarchy where the latter is identified
by its id.
- Extend verifier to allow bpf_refcount_acquire() of a map value field
obtained via direct load which is a use-case needed in sched_ext.
- Add BPF link_info support for uprobe multi link along with bpftool
integration for the latter.
- Support for VLAN tag in XDP hints.
- Remove deprecated bpfilter kernel leftovers given the project
is developed in user-space (https://github.com/facebook/bpfilter).
Misc
----
- Support for parellel TC self-tests execution.
- Increase MPTCP self-tests coverage.
- Updated the bridge documentation, including several so-far
undocumented features.
- Convert all the net self-tests to run in unique netns, to
avoid random failures due to conflict and allow concurrent
runs.
- Add TCP-AO self-tests.
- Add kunit tests for both cfg80211 and mac80211.
- Autogenerate Netlink families documentation from YAML spec.
- Add yml-gen support for fixed headers and recursive nests, the
tool can now generate user-space code for all genetlink families
for which we have specs.
- A bunch of additional module descriptions fixes.
- Catch incorrect freeing of pages belonging to a page pool.
Driver API
----------
- Rust abstractions for network PHY drivers; do not cover yet the
full C API, but already allow implementing functional PHY drivers
in rust.
- Introduce queue and NAPI support in the netdev Netlink interface,
allowing complete access to the device <> NAPIs <> queues
relationship.
- Introduce notifications filtering for devlink to allow control
application scale to thousands of instances.
- Improve PHY validation, requesting rate matching information for
each ethtool link mode supported by both the PHY and host.
- Add support for ethtool symmetric-xor RSS hash.
- ACPI based Wifi band RFI (WBRF) mitigation feature for the AMD
platform.
- Expose pin fractional frequency offset value over new DPLL generic
netlink attribute.
- Convert older drivers to platform remove callback returning void.
- Add support for PHY package MMD read/write.
New hardware / drivers
----------------------
- Ethernet:
- Octeon CN10K devices
- Broadcom 5760X P7
- Qualcomm SM8550 SoC
- Texas Instrument DP83TG720S PHY
- Bluetooth:
- IMC Networks Bluetooth radio
Removed
-------
- WiFi:
- libertas 16-bit PCMCIA support
- Atmel at76c50x drivers
- HostAP ISA/PCMCIA style 802.11b driver
- zd1201 802.11b USB dongles
- Orinoco ISA/PCMCIA 802.11b driver
- Aviator/Raytheon driver
- Planet WL3501 driver
- RNDIS USB 802.11b driver
Drivers
-------
- Ethernet high-speed NICs:
- Intel (100G, ice, idpf):
- allow one by one port representors creation and removal
- add temperature and clock information reporting
- add get/set for ethtool's header split ringparam
- add again FW logging
- adds support switchdev hardware packet mirroring
- iavf: implement symmetric-xor RSS hash
- igc: add support for concurrent physical and free-running timers
- i40e: increase the allowable descriptors
- nVidia/Mellanox:
- Preparation for Socket-Direct multi-dev netdev. That will allow
in future releases combining multiple PFs devices attached to
different NUMA nodes under the same netdev
- Broadcom (bnxt):
- TX completion handling improvements
- add basic ntuple filter support
- reduce MSIX vectors usage for MQPRIO offload
- add VXLAN support, USO offload and TX coalesce completion for P7
- Marvell Octeon EP:
- xmit-more support
- add PF-VF mailbox support and use it for FW notifications for VFs
- Wangxun (ngbe/txgbe):
- implement ethtool functions to operate pause param, ring param,
coalesce channel number and msglevel
- Netronome/Corigine (nfp):
- add flow-steering support
- support UDP segmentation offload
- Ethernet NICs embedded, slower, virtual:
- Xilinx AXI: remove duplicate DMA code adopting the dma engine driver
- stmmac: add support for HW-accelerated VLAN stripping
- TI AM654x sw: add mqprio, frame preemption & coalescing
- gve: add support for non-4k page sizes.
- virtio-net: support dynamic coalescing moderation
- nVidia/Mellanox Ethernet datacenter switches:
- allow firmware upgrade without a reboot
- more flexible support for bridge flooding via the compressed
FID flooding mode
- Ethernet embedded switches:
- Microchip:
- fine-tune flow control and speed configurations in KSZ8xxx
- KSZ88X3: enable setting rmii reference
- Renesas:
- add jumbo frames support
- Marvell:
- 88E6xxx: add "eth-mac" and "rmon" stats support
- Ethernet PHYs:
- aquantia: add firmware load support
- at803x: refactor the driver to simplify adding support for more
chip variants
- NXP C45 TJA11xx: Add MACsec offload support
- Wifi:
- MediaTek (mt76):
- NVMEM EEPROM improvements
- mt7996 Extremely High Throughput (EHT) improvements
- mt7996 Wireless Ethernet Dispatcher (WED) support
- mt7996 36-bit DMA support
- Qualcomm (ath12k):
- support for a single MSI vector
- WCN7850: support AP mode
- Intel (iwlwifi):
- new debugfs file fw_dbg_clear
- allow concurrent P2P operation on DFS channels
- Bluetooth:
- QCA2066: support HFP offload
- ISO: more broadcast-related improvements
- NXP: better recovery in case receiver/transmitter get out of sync
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-next-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Paolo Abeni:
"The most interesting thing is probably the networking structs
reorganization and a significant amount of changes is around
self-tests.
Core & protocols:
- Analyze and reorganize core networking structs (socks, netdev,
netns, mibs) to optimize cacheline consumption and set up build
time warnings to safeguard against future header changes
This improves TCP performances with many concurrent connections up
to 40%
- Add page-pool netlink-based introspection, exposing the memory
usage and recycling stats. This helps indentify bad PP users and
possible leaks
- Refine TCP/DCCP source port selection to no longer favor even
source port at connect() time when IP_LOCAL_PORT_RANGE is set. This
lowers the time taken by connect() for hosts having many active
connections to the same destination
- Refactor the TCP bind conflict code, shrinking related socket
structs
- Refactor TCP SYN-Cookie handling, as a preparation step to allow
arbitrary SYN-Cookie processing via eBPF
- Tune optmem_max for 0-copy usage, increasing the default value to
128KB and namespecifying it
- Allow coalescing for cloned skbs coming from page pools, improving
RX performances with some common configurations
- Reduce extension header parsing overhead at GRO time
- Add bridge MDB bulk deletion support, allowing user-space to
request the deletion of matching entries
- Reorder nftables struct members, to keep data accessed by the
datapath first
- Introduce TC block ports tracking and use. This allows supporting
multicast-like behavior at the TC layer
- Remove UAPI support for retired TC qdiscs (dsmark, CBQ and ATM) and
classifiers (RSVP and tcindex)
- More data-race annotations
- Extend the diag interface to dump TCP bound-only sockets
- Conditional notification of events for TC qdisc class and actions
- Support for WPAN dynamic associations with nearby devices, to form
a sub-network using a specific PAN ID
- Implement SMCv2.1 virtual ISM device support
- Add support for Batman-avd mulicast packet type
BPF:
- Tons of verifier improvements:
- BPF register bounds logic and range support along with a large
test suite
- log improvements
- complete precision tracking support for register spills
- track aligned STACK_ZERO cases as imprecise spilled registers.
This improves the verifier "instructions processed" metric from
single digit to 50-60% for some programs
- support for user's global BPF subprogram arguments with few
commonly requested annotations for a better developer
experience
- support tracking of BPF_JNE which helps cases when the compiler
transforms (unsigned) "a > 0" into "if a == 0 goto xxx" and the
like
- several fixes
- Add initial TX metadata implementation for AF_XDP with support in
mlx5 and stmmac drivers. Two types of offloads are supported right
now, that is, TX timestamp and TX checksum offload
- Fix kCFI bugs in BPF all forms of indirect calls from BPF into
kernel and from kernel into BPF work with CFI enabled. This allows
BPF to work with CONFIG_FINEIBT=y
- Change BPF verifier logic to validate global subprograms lazily
instead of unconditionally before the main program, so they can be
guarded using BPF CO-RE techniques
- Support uid/gid options when mounting bpffs
- Add a new kfunc which acquires the associated cgroup of a task
within a specific cgroup v1 hierarchy where the latter is
identified by its id
- Extend verifier to allow bpf_refcount_acquire() of a map value
field obtained via direct load which is a use-case needed in
sched_ext
- Add BPF link_info support for uprobe multi link along with bpftool
integration for the latter
- Support for VLAN tag in XDP hints
- Remove deprecated bpfilter kernel leftovers given the project is
developed in user-space (https://github.com/facebook/bpfilter)
Misc:
- Support for parellel TC self-tests execution
- Increase MPTCP self-tests coverage
- Updated the bridge documentation, including several so-far
undocumented features
- Convert all the net self-tests to run in unique netns, to avoid
random failures due to conflict and allow concurrent runs
- Add TCP-AO self-tests
- Add kunit tests for both cfg80211 and mac80211
- Autogenerate Netlink families documentation from YAML spec
- Add yml-gen support for fixed headers and recursive nests, the tool
can now generate user-space code for all genetlink families for
which we have specs
- A bunch of additional module descriptions fixes
- Catch incorrect freeing of pages belonging to a page pool
Driver API:
- Rust abstractions for network PHY drivers; do not cover yet the
full C API, but already allow implementing functional PHY drivers
in rust
- Introduce queue and NAPI support in the netdev Netlink interface,
allowing complete access to the device <> NAPIs <> queues
relationship
- Introduce notifications filtering for devlink to allow control
application scale to thousands of instances
- Improve PHY validation, requesting rate matching information for
each ethtool link mode supported by both the PHY and host
- Add support for ethtool symmetric-xor RSS hash
- ACPI based Wifi band RFI (WBRF) mitigation feature for the AMD
platform
- Expose pin fractional frequency offset value over new DPLL generic
netlink attribute
- Convert older drivers to platform remove callback returning void
- Add support for PHY package MMD read/write
New hardware / drivers:
- Ethernet:
- Octeon CN10K devices
- Broadcom 5760X P7
- Qualcomm SM8550 SoC
- Texas Instrument DP83TG720S PHY
- Bluetooth:
- IMC Networks Bluetooth radio
Removed:
- WiFi:
- libertas 16-bit PCMCIA support
- Atmel at76c50x drivers
- HostAP ISA/PCMCIA style 802.11b driver
- zd1201 802.11b USB dongles
- Orinoco ISA/PCMCIA 802.11b driver
- Aviator/Raytheon driver
- Planet WL3501 driver
- RNDIS USB 802.11b driver
Driver updates:
- Ethernet high-speed NICs:
- Intel (100G, ice, idpf):
- allow one by one port representors creation and removal
- add temperature and clock information reporting
- add get/set for ethtool's header split ringparam
- add again FW logging
- adds support switchdev hardware packet mirroring
- iavf: implement symmetric-xor RSS hash
- igc: add support for concurrent physical and free-running
timers
- i40e: increase the allowable descriptors
- nVidia/Mellanox:
- Preparation for Socket-Direct multi-dev netdev. That will
allow in future releases combining multiple PFs devices
attached to different NUMA nodes under the same netdev
- Broadcom (bnxt):
- TX completion handling improvements
- add basic ntuple filter support
- reduce MSIX vectors usage for MQPRIO offload
- add VXLAN support, USO offload and TX coalesce completion
for P7
- Marvell Octeon EP:
- xmit-more support
- add PF-VF mailbox support and use it for FW notifications
for VFs
- Wangxun (ngbe/txgbe):
- implement ethtool functions to operate pause param, ring
param, coalesce channel number and msglevel
- Netronome/Corigine (nfp):
- add flow-steering support
- support UDP segmentation offload
- Ethernet NICs embedded, slower, virtual:
- Xilinx AXI: remove duplicate DMA code adopting the dma engine
driver
- stmmac: add support for HW-accelerated VLAN stripping
- TI AM654x sw: add mqprio, frame preemption & coalescing
- gve: add support for non-4k page sizes.
- virtio-net: support dynamic coalescing moderation
- nVidia/Mellanox Ethernet datacenter switches:
- allow firmware upgrade without a reboot
- more flexible support for bridge flooding via the compressed
FID flooding mode
- Ethernet embedded switches:
- Microchip:
- fine-tune flow control and speed configurations in KSZ8xxx
- KSZ88X3: enable setting rmii reference
- Renesas:
- add jumbo frames support
- Marvell:
- 88E6xxx: add "eth-mac" and "rmon" stats support
- Ethernet PHYs:
- aquantia: add firmware load support
- at803x: refactor the driver to simplify adding support for more
chip variants
- NXP C45 TJA11xx: Add MACsec offload support
- Wifi:
- MediaTek (mt76):
- NVMEM EEPROM improvements
- mt7996 Extremely High Throughput (EHT) improvements
- mt7996 Wireless Ethernet Dispatcher (WED) support
- mt7996 36-bit DMA support
- Qualcomm (ath12k):
- support for a single MSI vector
- WCN7850: support AP mode
- Intel (iwlwifi):
- new debugfs file fw_dbg_clear
- allow concurrent P2P operation on DFS channels
- Bluetooth:
- QCA2066: support HFP offload
- ISO: more broadcast-related improvements
- NXP: better recovery in case receiver/transmitter get out of sync"
* tag 'net-next-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1714 commits)
lan78xx: remove redundant statement in lan78xx_get_eee
lan743x: remove redundant statement in lan743x_ethtool_get_eee
bnxt_en: Fix RCU locking for ntuple filters in bnxt_rx_flow_steer()
bnxt_en: Fix RCU locking for ntuple filters in bnxt_srxclsrldel()
bnxt_en: Remove unneeded variable in bnxt_hwrm_clear_vnic_filter()
tcp: Revert no longer abort SYN_SENT when receiving some ICMP
Revert "mlx5 updates 2023-12-20"
Revert "net: stmmac: Enable Per DMA Channel interrupt"
ipvlan: Remove usage of the deprecated ida_simple_xx() API
ipvlan: Fix a typo in a comment
net/sched: Remove ipt action tests
net: stmmac: Use interrupt mode INTM=1 for per channel irq
net: stmmac: Add support for TX/RX channel interrupt
net: stmmac: Make MSI interrupt routine generic
dt-bindings: net: snps,dwmac: per channel irq
net: phy: at803x: make read_status more generic
net: phy: at803x: add support for cdt cross short test for qca808x
net: phy: at803x: refactor qca808x cable test get status function
net: phy: at803x: generalize cdt fault length function
net: ethernet: cortina: Drop TSO support
...
|
||
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Linus Torvalds
|
c299010061 |
asm-generic cleanups for 6.8
A series from Baoquan He cleans up the asm-generic/io.h to remove the ioremap_uc() definition from everything except x86, which still needs it for pre-PAT systems. This series notably contains a patch from Jiaxun Yang that converts MIPS to use asm-generic/io.h like every other architecture does, enabling future cleanups. Some of my own patches fix -Wmissing-prototype warnings in architecture specific code across several architectures. This is now needed as the warning is enabled by default. There are still some remaining warnings in minor platforms, but the series should catch most of the widely used ones make them more consistent with one another. David McKay fixes a bug in __generic_cmpxchg_local() when this is used on 64-bit architectures. This could currently only affect parisc64 and sparc64. Additional cleanups address from Linus Walleij, Uwe Kleine-König, Thomas Huth, and Kefeng Wang help reduce unnecessary inconsistencies between architectures. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiK/NIGsWEZVxh/FrYKtH/8kJUicFAmWeak8ACgkQYKtH/8kJ UidSiQ/+LL1WTO9d3Zx5HI0GGGjaIYpYs6jUNSf9Y5GPQiOrvjfEWj7CU11/4vxl GlQRpRyncYm8Eiz0Qu+aNxZFiiMah8Uful75yfbX8P1L4EPTbAYNDjkyNJrTjIAK jPK4sl8awIrapOeFUz++PsEj22R/4Is4f0mo+CqoCkL5RKlHe5oFdXzcwjmds4yK CvU6Ldn+M7FZ3EItMdjXaB3D3HS9uictFiO5JByZY8p+IcqgNRI/iHNnZIMsltJ+ XjDi0DG+x4jCj6teElSchw7AofE4OcNSP3xbR1PLKv6+xBLGYaAGZhNuPTz88eV/ Gj0loDQrrR5McGUfDBRHK9zN2Jd0O/FKnfh9kLOt1FLFyGPvC78Q/2HkpVCjbBr2 Pr1aqhLDHA+tGNSsThsV8RUa8/tiEnxAki43tfBFS3SEKhtQsTm2g1z4miwbE3p0 BJIrSgTqrP/SBq7a9z/thPrkzdZcNuA9FUETTbaMeUlJS51n1V9E5A1t7sOG7jaI vV/gbuR6FjvD49mTyQiOSCt3V4ygRqgN1Q+C4QM8WLqq2keUq0AhGodquv8F78in J3x2j2r27lHY7jKf8B0dua/JXAsF20u8qD6yDQ9ymkjt/MWhGXBgK0jpT7RTIuMS e2jmTywUVD4UohAcx3inkOojUhIJ5KDB0I4Pzv4zWcHNbyFNKcY= =4VQl -----END PGP SIGNATURE----- Merge tag 'asm-generic-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic Pull asm-generic cleanups from Arnd Bergmann: "A series from Baoquan He cleans up the asm-generic/io.h to remove the ioremap_uc() definition from everything except x86, which still needs it for pre-PAT systems. This series notably contains a patch from Jiaxun Yang that converts MIPS to use asm-generic/io.h like every other architecture does, enabling future cleanups. Some of my own patches fix -Wmissing-prototype warnings in architecture specific code across several architectures. This is now needed as the warning is enabled by default. There are still some remaining warnings in minor platforms, but the series should catch most of the widely used ones make them more consistent with one another. David McKay fixes a bug in __generic_cmpxchg_local() when this is used on 64-bit architectures. This could currently only affect parisc64 and sparc64. Additional cleanups address from Linus Walleij, Uwe Kleine-König, Thomas Huth, and Kefeng Wang help reduce unnecessary inconsistencies between architectures" * tag 'asm-generic-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: asm-generic: Fix 32 bit __generic_cmpxchg_local Hexagon: Make pfn accessors statics inlines ARC: mm: Make virt_to_pfn() a static inline mips: remove extraneous asm-generic/iomap.h include sparc: Use $(kecho) to announce kernel images being ready arm64: vdso32: Define BUILD_VDSO32_64 to correct prototypes csky: fix arch_jump_label_transform_static override arch: add do_page_fault prototypes arch: add missing prepare_ftrace_return() prototypes arch: vdso: consolidate gettime prototypes arch: include linux/cpu.h for trap_init() prototype arch: fix asm-offsets.c building with -Wmissing-prototypes arch: consolidate arch_irq_work_raise prototypes hexagon: Remove CONFIG_HEXAGON_ARCH_VERSION from uapi header asm/io: remove unnecessary xlate_dev_mem_ptr() and unxlate_dev_mem_ptr() mips: io: remove duplicated codes arch/*/io.h: remove ioremap_uc in some architectures mips: add <asm-generic/io.h> including |
||
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Linus Torvalds
|
78273df7f6 |
header cleanups for 6.8
The goal is to get sched.h down to a type only header, so the main thing happening in this patchset is splitting out various _types.h headers and dependency fixups, as well as moving some things out of sched.h to better locations. This is prep work for the memory allocation profiling patchset which adds new sched.h interdepencencies. Testing - it's been in -next, and fixes from pretty much all architectures have percolated in - nothing major. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEKnAFLkS8Qha+jvQrE6szbY3KbnYFAmWfBwwACgkQE6szbY3K bnZPwBAAmuRojXaeWxi01IPIOehSGDe68vw44PR9glEMZvxdnZuPOdvE4/+245/L bRKU2WBCjBUokUbV9msIShwRkFTZAmEMPNfPAAsFMA+VXeDYHKB+ZRdwTggNAQ+I SG6fZgh5m0HsewCDxU8oqVHkjVq4fXn0cy+aL6xLEd9gu67GoBzX2pDieS2Kvy6j jnyoKTxFwb+LTQgph0P4EIpq5I2umAsdLwdSR8EJ+8e9NiNvMo1pI00Lx/ntAnFZ JftWUJcMy3TQ5u1GkyfQN9y/yThX1bZK5GvmHS9SJ2Dkacaus5d+xaKCHtRuFS1I 7C6b8PsNgRczUMumBXus44HdlNfNs1yU3lvVxFvBIPE1qC9pYRHrkWIXXIocXLLC oxTEJ6B2G3BQZVQgLIA4fOaxMVhmvKffi/aEZLi9vN9VVosd1a6XNKI6KbyRnXFp GSs9qDqszhn5I3GYNlDNQTc/8UsRlhPFgS6nS0By6QnvxtGi9QkU2tBRBsXvqwCy cLoCYIhc2tvugHvld70dz26umiJ4rnmxGlobStNoigDvIKAIUt1UmIdr1so8P8eH xehnL9ZcOX6xnANDL0AqMFFHV6I58CJynhFdUoXfVQf/DWLGX48mpi9LVNsYBzsI CAwVOAQ0UjGrpdWmJ9ueY/ABYqg9vRjzaDEXQ+MhAYO55CLaVsg= =3tyT -----END PGP SIGNATURE----- Merge tag 'header_cleanup-2024-01-10' of https://evilpiepirate.org/git/bcachefs Pull header cleanups from Kent Overstreet: "The goal is to get sched.h down to a type only header, so the main thing happening in this patchset is splitting out various _types.h headers and dependency fixups, as well as moving some things out of sched.h to better locations. This is prep work for the memory allocation profiling patchset which adds new sched.h interdepencencies" * tag 'header_cleanup-2024-01-10' of https://evilpiepirate.org/git/bcachefs: (51 commits) Kill sched.h dependency on rcupdate.h kill unnecessary thread_info.h include Kill unnecessary kernel.h include preempt.h: Kill dependency on list.h rseq: Split out rseq.h from sched.h LoongArch: signal.c: add header file to fix build error restart_block: Trim includes lockdep: move held_lock to lockdep_types.h sem: Split out sem_types.h uidgid: Split out uidgid_types.h seccomp: Split out seccomp_types.h refcount: Split out refcount_types.h uapi/linux/resource.h: fix include x86/signal: kill dependency on time.h syscall_user_dispatch.h: split out *_types.h mm_types_task.h: Trim dependencies Split out irqflags_types.h ipc: Kill bogus dependency on spinlock.h shm: Slim down dependencies workqueue: Split out workqueue_types.h ... |
||
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Linus Torvalds
|
0cb552aa97 |
This update includes the following changes:
API: - Add incremental lskcipher/skcipher processing. Algorithms: - Remove SHA1 from drbg. - Remove CFB and OFB. Drivers: - Add comp high perf mode configuration in hisilicon/zip. - Add support for 420xx devices in qat. - Add IAA Compression Accelerator driver. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEn51F/lCuNhUwmDeSxycdCkmxi6cFAmWdxR4ACgkQxycdCkmx i6fAjg//SqOwxeUYWpT4KdMCxGMn7U9iE3wJeX8nqfma3a62Wt2soey7H3GB9G7v gEh0OraOKIGeBtS8giIX83SZJOirMlgeE2tngxMmR9O95EUNR0XGnywF/emyt96z WcSN1IrRZ8qQzTASBF0KpV2Ir5mNzBiOwU9tVHIztROufA4C1fwKl7yhPM67C3MU 88vf1R+ZeWUbNbzQNC8oYIqU11dcNaMNhOVPiZCECKbIR6LqwUf3Swexz+HuPR/D WTSrb4J3Eeg77SMhI959/Hi53WeEyVW1vWYAVMgfTEFw6PESiOXyPeImfzUMFos6 fFYIAoQzoG5GlQeYwLLSoZAwtfY+f7gTNoaE+bnPk5317EFzFDijaXrkjjVKqkS2 OOBfxrMMIGNmxp7pPkt6HPnIvGNTo+SnbAdVIm6M3EN1K+BTGrj7/CTJkcT6XSyK nCBL6nbP7zMB1GJfCFGPvlIdW4oYnAfB1Q5YJ9tzYbEZ0t5NWxDKZ45RnM9xQp4Y 2V1zdfALdqmGRKBWgyUcqp1T4/AYRU0+WaQxz7gHw3BPR4QmfVLPRqiiR7OT0Z+P XFotOYD3epVXS1OUyZdLBn5+FXLnRd1uylQ+j8FNfnddr4Nr+tH1J6edK71NMvXG Tj7p5rP5bbgvVkD43ywsVnCI0w+9NS55mH5UP2Y4fSLS6p2tJAw= =yMmO -----END PGP SIGNATURE----- Merge tag 'v6.8-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto updates from Herbert Xu: "API: - Add incremental lskcipher/skcipher processing Algorithms: - Remove SHA1 from drbg - Remove CFB and OFB Drivers: - Add comp high perf mode configuration in hisilicon/zip - Add support for 420xx devices in qat - Add IAA Compression Accelerator driver" * tag 'v6.8-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (172 commits) crypto: iaa - Account for cpu-less numa nodes crypto: scomp - fix req->dst buffer overflow crypto: sahara - add support for crypto_engine crypto: sahara - remove error message for bad aes request size crypto: sahara - remove unnecessary NULL assignments crypto: sahara - remove 'active' flag from sahara_aes_reqctx struct crypto: sahara - use dev_err_probe() crypto: sahara - use devm_clk_get_enabled() crypto: sahara - use BIT() macro crypto: sahara - clean up macro indentation crypto: sahara - do not resize req->src when doing hash operations crypto: sahara - fix processing hash requests with req->nbytes < sg->length crypto: sahara - improve error handling in sahara_sha_process() crypto: sahara - fix wait_for_completion_timeout() error handling crypto: sahara - fix ahash reqsize crypto: sahara - handle zero-length aes requests crypto: skcipher - remove excess kerneldoc members crypto: shash - remove excess kerneldoc members crypto: qat - generate dynamically arbiter mappings crypto: qat - add support for ring pair level telemetry ... |
||
|
Linus Torvalds
|
063a7ce32d |
lsm/stable-6.8 PR 20240105
-----BEGIN PGP SIGNATURE----- iQJIBAABCAAyFiEES0KozwfymdVUl37v6iDy2pc3iXMFAmWYKUIUHHBhdWxAcGF1 bC1tb29yZS5jb20ACgkQ6iDy2pc3iXNyHw/+IKnqL1MZ5QS+/HtSzi4jCL47N9yZ OHLol6XswyEGHH9myKPPGnT5lVA93v98v4ty2mws7EJUSGZQQUntYBPbU9Gi40+B XDzYSRocoj96sdlKeOJMgaWo3NBRD9HYSoGPDNWZixy6m+bLPk/Dqhn3FabKf1lo 2qQSmstvChFRmVNkmgaQnBCAtWVqla4EJEL0EKX6cspHbuzRNTeJdTPn6Q/zOUVL O2znOZuEtSVpYS7yg3uJT0hHD8H0GnIciAcDAhyPSBL5Uk5l6gwJiACcdRfLRbgp QM5Z4qUFdKljV5XBCzYnfhhrx1df08h1SG84El8UK8HgTTfOZfYmawByJRWNJSQE TdCmtyyvEbfb61CKBFVwD7Tzb9/y8WgcY5N3Un8uCQqRzFIO+6cghHri5NrVhifp nPFlP4klxLHh3d7ZVekLmCMHbpaacRyJKwLy+f/nwbBEID47jpPkvZFIpbalat+r QaKRBNWdTeV+GZ+Yu0uWsI029aQnpcO1kAnGg09fl6b/dsmxeKOVWebir25AzQ++ a702S8HRmj80X+VnXHU9a64XeGtBH7Nq0vu0lGHQPgwhSx/9P6/qICEPwsIriRjR I9OulWt4OBPDtlsonHFgDs+lbnd0Z0GJUwYT8e9pjRDMxijVO9lhAXyglVRmuNR8 to2ByKP5BO+Vh8Y= =Py+n -----END PGP SIGNATURE----- Merge tag 'lsm-pr-20240105' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm Pull security module updates from Paul Moore: - Add three new syscalls: lsm_list_modules(), lsm_get_self_attr(), and lsm_set_self_attr(). The first syscall simply lists the LSMs enabled, while the second and third get and set the current process' LSM attributes. Yes, these syscalls may provide similar functionality to what can be found under /proc or /sys, but they were designed to support multiple, simultaneaous (stacked) LSMs from the start as opposed to the current /proc based solutions which were created at a time when only one LSM was allowed to be active at a given time. We have spent considerable time discussing ways to extend the existing /proc interfaces to support multiple, simultaneaous LSMs and even our best ideas have been far too ugly to support as a kernel API; after +20 years in the kernel, I felt the LSM layer had established itself enough to justify a handful of syscalls. Support amongst the individual LSM developers has been nearly unanimous, with a single objection coming from Tetsuo (TOMOYO) as he is worried that the LSM_ID_XXX token concept will make it more difficult for out-of-tree LSMs to survive. Several members of the LSM community have demonstrated the ability for out-of-tree LSMs to continue to exist by picking high/unused LSM_ID values as well as pointing out that many kernel APIs rely on integer identifiers, e.g. syscalls (!), but unfortunately Tetsuo's objections remain. My personal opinion is that while I have no interest in penalizing out-of-tree LSMs, I'm not going to penalize in-tree development to support out-of-tree development, and I view this as a necessary step forward to support the push for expanded LSM stacking and reduce our reliance on /proc and /sys which has occassionally been problematic for some container users. Finally, we have included the linux-api folks on (all?) recent revisions of the patchset and addressed all of their concerns. - Add a new security_file_ioctl_compat() LSM hook to handle the 32-bit ioctls on 64-bit systems problem. This patch includes support for all of the existing LSMs which provide ioctl hooks, although it turns out only SELinux actually cares about the individual ioctls. It is worth noting that while Casey (Smack) and Tetsuo (TOMOYO) did not give explicit ACKs to this patch, they did both indicate they are okay with the changes. - Fix a potential memory leak in the CALIPSO code when IPv6 is disabled at boot. While it's good that we are fixing this, I doubt this is something users are seeing in the wild as you need to both disable IPv6 and then attempt to configure IPv6 labeled networking via NetLabel/CALIPSO; that just doesn't make much sense. Normally this would go through netdev, but Jakub asked me to take this patch and of all the trees I maintain, the LSM tree seemed like the best fit. - Update the LSM MAINTAINERS entry with additional information about our process docs, patchwork, bug reporting, etc. I also noticed that the Lockdown LSM is missing a dedicated MAINTAINERS entry so I've added that to the pull request. I've been working with one of the major Lockdown authors/contributors to see if they are willing to step up and assume a Lockdown maintainer role; hopefully that will happen soon, but in the meantime I'll continue to look after it. - Add a handful of mailmap entries for Serge Hallyn and myself. * tag 'lsm-pr-20240105' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm: (27 commits) lsm: new security_file_ioctl_compat() hook lsm: Add a __counted_by() annotation to lsm_ctx.ctx calipso: fix memory leak in netlbl_calipso_add_pass() selftests: remove the LSM_ID_IMA check in lsm/lsm_list_modules_test MAINTAINERS: add an entry for the lockdown LSM MAINTAINERS: update the LSM entry mailmap: add entries for Serge Hallyn's dead accounts mailmap: update/replace my old email addresses lsm: mark the lsm_id variables are marked as static lsm: convert security_setselfattr() to use memdup_user() lsm: align based on pointer length in lsm_fill_user_ctx() lsm: consolidate buffer size handling into lsm_fill_user_ctx() lsm: correct error codes in security_getselfattr() lsm: cleanup the size counters in security_getselfattr() lsm: don't yet account for IMA in LSM_CONFIG_COUNT calculation lsm: drop LSM_ID_IMA LSM: selftests for Linux Security Module syscalls SELinux: Add selfattr hooks AppArmor: Add selfattr hooks Smack: implement setselfattr and getselfattr hooks ... |
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Linus Torvalds
|
9f2a635235 |
Quite a lot of kexec work this time around. Many singleton patches in
many places. The notable patch series are:
- nilfs2 folio conversion from Matthew Wilcox in "nilfs2: Folio
conversions for file paths".
- Additional nilfs2 folio conversion from Ryusuke Konishi in "nilfs2:
Folio conversions for directory paths".
- IA64 remnant removal in Heiko Carstens's "Remove unused code after
IA-64 removal".
- Arnd Bergmann has enabled the -Wmissing-prototypes warning everywhere
in "Treewide: enable -Wmissing-prototypes". This had some followup
fixes:
- Nathan Chancellor has cleaned up the hexagon build in the series
"hexagon: Fix up instances of -Wmissing-prototypes".
- Nathan also addressed some s390 warnings in "s390: A couple of
fixes for -Wmissing-prototypes".
- Arnd Bergmann addresses the same warnings for MIPS in his series
"mips: address -Wmissing-prototypes warnings".
- Baoquan He has made kexec_file operate in a top-down-fitting manner
similar to kexec_load in the series "kexec_file: Load kernel at top of
system RAM if required"
- Baoquan He has also added the self-explanatory "kexec_file: print out
debugging message if required".
- Some checkstack maintenance work from Tiezhu Yang in the series
"Modify some code about checkstack".
- Douglas Anderson has disentangled the watchdog code's logging when
multiple reports are occurring simultaneously. The series is "watchdog:
Better handling of concurrent lockups".
- Yuntao Wang has contributed some maintenance work on the crash code in
"crash: Some cleanups and fixes".
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Merge tag 'mm-nonmm-stable-2024-01-09-10-33' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull non-MM updates from Andrew Morton:
"Quite a lot of kexec work this time around. Many singleton patches in
many places. The notable patch series are:
- nilfs2 folio conversion from Matthew Wilcox in 'nilfs2: Folio
conversions for file paths'.
- Additional nilfs2 folio conversion from Ryusuke Konishi in 'nilfs2:
Folio conversions for directory paths'.
- IA64 remnant removal in Heiko Carstens's 'Remove unused code after
IA-64 removal'.
- Arnd Bergmann has enabled the -Wmissing-prototypes warning
everywhere in 'Treewide: enable -Wmissing-prototypes'. This had
some followup fixes:
- Nathan Chancellor has cleaned up the hexagon build in the series
'hexagon: Fix up instances of -Wmissing-prototypes'.
- Nathan also addressed some s390 warnings in 's390: A couple of
fixes for -Wmissing-prototypes'.
- Arnd Bergmann addresses the same warnings for MIPS in his series
'mips: address -Wmissing-prototypes warnings'.
- Baoquan He has made kexec_file operate in a top-down-fitting manner
similar to kexec_load in the series 'kexec_file: Load kernel at top
of system RAM if required'
- Baoquan He has also added the self-explanatory 'kexec_file: print
out debugging message if required'.
- Some checkstack maintenance work from Tiezhu Yang in the series
'Modify some code about checkstack'.
- Douglas Anderson has disentangled the watchdog code's logging when
multiple reports are occurring simultaneously. The series is
'watchdog: Better handling of concurrent lockups'.
- Yuntao Wang has contributed some maintenance work on the crash code
in 'crash: Some cleanups and fixes'"
* tag 'mm-nonmm-stable-2024-01-09-10-33' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (157 commits)
crash_core: fix and simplify the logic of crash_exclude_mem_range()
x86/crash: use SZ_1M macro instead of hardcoded value
x86/crash: remove the unused image parameter from prepare_elf_headers()
kdump: remove redundant DEFAULT_CRASH_KERNEL_LOW_SIZE
scripts/decode_stacktrace.sh: strip unexpected CR from lines
watchdog: if panicking and we dumped everything, don't re-enable dumping
watchdog/hardlockup: use printk_cpu_sync_get_irqsave() to serialize reporting
watchdog/softlockup: use printk_cpu_sync_get_irqsave() to serialize reporting
watchdog/hardlockup: adopt softlockup logic avoiding double-dumps
kexec_core: fix the assignment to kimage->control_page
x86/kexec: fix incorrect end address passed to kernel_ident_mapping_init()
lib/trace_readwrite.c:: replace asm-generic/io with linux/io
nilfs2: cpfile: fix some kernel-doc warnings
stacktrace: fix kernel-doc typo
scripts/checkstack.pl: fix no space expression between sp and offset
x86/kexec: fix incorrect argument passed to kexec_dprintk()
x86/kexec: use pr_err() instead of kexec_dprintk() when an error occurs
nilfs2: add missing set_freezable() for freezable kthread
kernel: relay: remove relay_file_splice_read dead code, doesn't work
docs: submit-checklist: remove all of "make namespacecheck"
...
|
||
|
Linus Torvalds
|
fb46e22a9e |
Many singleton patches against the MM code. The patch series which
are included in this merge do the following:
- Peng Zhang has done some mapletree maintainance work in the
series
"maple_tree: add mt_free_one() and mt_attr() helpers"
"Some cleanups of maple tree"
- In the series "mm: use memmap_on_memory semantics for dax/kmem"
Vishal Verma has altered the interworking between memory-hotplug
and dax/kmem so that newly added 'device memory' can more easily
have its memmap placed within that newly added memory.
- Matthew Wilcox continues folio-related work (including a few
fixes) in the patch series
"Add folio_zero_tail() and folio_fill_tail()"
"Make folio_start_writeback return void"
"Fix fault handler's handling of poisoned tail pages"
"Convert aops->error_remove_page to ->error_remove_folio"
"Finish two folio conversions"
"More swap folio conversions"
- Kefeng Wang has also contributed folio-related work in the series
"mm: cleanup and use more folio in page fault"
- Jim Cromie has improved the kmemleak reporting output in the
series "tweak kmemleak report format".
- In the series "stackdepot: allow evicting stack traces" Andrey
Konovalov to permits clients (in this case KASAN) to cause
eviction of no longer needed stack traces.
- Charan Teja Kalla has fixed some accounting issues in the page
allocator's atomic reserve calculations in the series "mm:
page_alloc: fixes for high atomic reserve caluculations".
- Dmitry Rokosov has added to the samples/ dorectory some sample
code for a userspace memcg event listener application. See the
series "samples: introduce cgroup events listeners".
- Some mapletree maintanance work from Liam Howlett in the series
"maple_tree: iterator state changes".
- Nhat Pham has improved zswap's approach to writeback in the
series "workload-specific and memory pressure-driven zswap
writeback".
- DAMON/DAMOS feature and maintenance work from SeongJae Park in
the series
"mm/damon: let users feed and tame/auto-tune DAMOS"
"selftests/damon: add Python-written DAMON functionality tests"
"mm/damon: misc updates for 6.8"
- Yosry Ahmed has improved memcg's stats flushing in the series
"mm: memcg: subtree stats flushing and thresholds".
- In the series "Multi-size THP for anonymous memory" Ryan Roberts
has added a runtime opt-in feature to transparent hugepages which
improves performance by allocating larger chunks of memory during
anonymous page faults.
- Matthew Wilcox has also contributed some cleanup and maintenance
work against eh buffer_head code int he series "More buffer_head
cleanups".
- Suren Baghdasaryan has done work on Andrea Arcangeli's series
"userfaultfd move option". UFFDIO_MOVE permits userspace heap
compaction algorithms to move userspace's pages around rather than
UFFDIO_COPY'a alloc/copy/free.
- Stefan Roesch has developed a "KSM Advisor", in the series
"mm/ksm: Add ksm advisor". This is a governor which tunes KSM's
scanning aggressiveness in response to userspace's current needs.
- Chengming Zhou has optimized zswap's temporary working memory
use in the series "mm/zswap: dstmem reuse optimizations and
cleanups".
- Matthew Wilcox has performed some maintenance work on the
writeback code, both code and within filesystems. The series is
"Clean up the writeback paths".
- Andrey Konovalov has optimized KASAN's handling of alloc and
free stack traces for secondary-level allocators, in the series
"kasan: save mempool stack traces".
- Andrey also performed some KASAN maintenance work in the series
"kasan: assorted clean-ups".
- David Hildenbrand has gone to town on the rmap code. Cleanups,
more pte batching, folio conversions and more. See the series
"mm/rmap: interface overhaul".
- Kinsey Ho has contributed some maintenance work on the MGLRU
code in the series "mm/mglru: Kconfig cleanup".
- Matthew Wilcox has contributed lruvec page accounting code
cleanups in the series "Remove some lruvec page accounting
functions".
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Merge tag 'mm-stable-2024-01-08-15-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
"Many singleton patches against the MM code. The patch series which are
included in this merge do the following:
- Peng Zhang has done some mapletree maintainance work in the series
'maple_tree: add mt_free_one() and mt_attr() helpers'
'Some cleanups of maple tree'
- In the series 'mm: use memmap_on_memory semantics for dax/kmem'
Vishal Verma has altered the interworking between memory-hotplug
and dax/kmem so that newly added 'device memory' can more easily
have its memmap placed within that newly added memory.
- Matthew Wilcox continues folio-related work (including a few fixes)
in the patch series
'Add folio_zero_tail() and folio_fill_tail()'
'Make folio_start_writeback return void'
'Fix fault handler's handling of poisoned tail pages'
'Convert aops->error_remove_page to ->error_remove_folio'
'Finish two folio conversions'
'More swap folio conversions'
- Kefeng Wang has also contributed folio-related work in the series
'mm: cleanup and use more folio in page fault'
- Jim Cromie has improved the kmemleak reporting output in the series
'tweak kmemleak report format'.
- In the series 'stackdepot: allow evicting stack traces' Andrey
Konovalov to permits clients (in this case KASAN) to cause eviction
of no longer needed stack traces.
- Charan Teja Kalla has fixed some accounting issues in the page
allocator's atomic reserve calculations in the series 'mm:
page_alloc: fixes for high atomic reserve caluculations'.
- Dmitry Rokosov has added to the samples/ dorectory some sample code
for a userspace memcg event listener application. See the series
'samples: introduce cgroup events listeners'.
- Some mapletree maintanance work from Liam Howlett in the series
'maple_tree: iterator state changes'.
- Nhat Pham has improved zswap's approach to writeback in the series
'workload-specific and memory pressure-driven zswap writeback'.
- DAMON/DAMOS feature and maintenance work from SeongJae Park in the
series
'mm/damon: let users feed and tame/auto-tune DAMOS'
'selftests/damon: add Python-written DAMON functionality tests'
'mm/damon: misc updates for 6.8'
- Yosry Ahmed has improved memcg's stats flushing in the series 'mm:
memcg: subtree stats flushing and thresholds'.
- In the series 'Multi-size THP for anonymous memory' Ryan Roberts
has added a runtime opt-in feature to transparent hugepages which
improves performance by allocating larger chunks of memory during
anonymous page faults.
- Matthew Wilcox has also contributed some cleanup and maintenance
work against eh buffer_head code int he series 'More buffer_head
cleanups'.
- Suren Baghdasaryan has done work on Andrea Arcangeli's series
'userfaultfd move option'. UFFDIO_MOVE permits userspace heap
compaction algorithms to move userspace's pages around rather than
UFFDIO_COPY'a alloc/copy/free.
- Stefan Roesch has developed a 'KSM Advisor', in the series 'mm/ksm:
Add ksm advisor'. This is a governor which tunes KSM's scanning
aggressiveness in response to userspace's current needs.
- Chengming Zhou has optimized zswap's temporary working memory use
in the series 'mm/zswap: dstmem reuse optimizations and cleanups'.
- Matthew Wilcox has performed some maintenance work on the writeback
code, both code and within filesystems. The series is 'Clean up the
writeback paths'.
- Andrey Konovalov has optimized KASAN's handling of alloc and free
stack traces for secondary-level allocators, in the series 'kasan:
save mempool stack traces'.
- Andrey also performed some KASAN maintenance work in the series
'kasan: assorted clean-ups'.
- David Hildenbrand has gone to town on the rmap code. Cleanups, more
pte batching, folio conversions and more. See the series 'mm/rmap:
interface overhaul'.
- Kinsey Ho has contributed some maintenance work on the MGLRU code
in the series 'mm/mglru: Kconfig cleanup'.
- Matthew Wilcox has contributed lruvec page accounting code cleanups
in the series 'Remove some lruvec page accounting functions'"
* tag 'mm-stable-2024-01-08-15-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (361 commits)
mm, treewide: rename MAX_ORDER to MAX_PAGE_ORDER
mm, treewide: introduce NR_PAGE_ORDERS
selftests/mm: add separate UFFDIO_MOVE test for PMD splitting
selftests/mm: skip test if application doesn't has root privileges
selftests/mm: conform test to TAP format output
selftests: mm: hugepage-mmap: conform to TAP format output
selftests/mm: gup_test: conform test to TAP format output
mm/selftests: hugepage-mremap: conform test to TAP format output
mm/vmstat: move pgdemote_* out of CONFIG_NUMA_BALANCING
mm: zsmalloc: return -ENOSPC rather than -EINVAL in zs_malloc while size is too large
mm/memcontrol: remove __mod_lruvec_page_state()
mm/khugepaged: use a folio more in collapse_file()
slub: use a folio in __kmalloc_large_node
slub: use folio APIs in free_large_kmalloc()
slub: use alloc_pages_node() in alloc_slab_page()
mm: remove inc/dec lruvec page state functions
mm: ratelimit stat flush from workingset shrinker
kasan: stop leaking stack trace handles
mm/mglru: remove CONFIG_TRANSPARENT_HUGEPAGE
mm/mglru: add dummy pmd_dirty()
...
|
||
|
Linus Torvalds
|
d30e51aa7b |
slab updates for 6.8
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Merge tag 'slab-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab
Pull slab updates from Vlastimil Babka:
- SLUB: delayed freezing of CPU partial slabs (Chengming Zhou)
Freezing is an operation involving double_cmpxchg() that makes a slab
exclusive for a particular CPU. Chengming noticed that we use it also
in situations where we are not yet installing the slab as the CPU
slab, because freezing also indicates that the slab is not on the
shared list. This results in redundant freeze/unfreeze operation and
can be avoided by marking separately the shared list presence by
reusing the PG_workingset flag.
This approach neatly avoids the issues described in
|
||
|
Linus Torvalds
|
aac4de465a |
Performance events changes for v6.8 are:
- Add branch stack counters ABI extension to better capture
the growing amount of information the PMU exposes via
branch stack sampling. There's matching tooling support.
- Fix race when creating the nr_addr_filters sysfs file
- Add Intel Sierra Forest and Grand Ridge intel/cstate
PMU support.
- Add Intel Granite Rapids, Sierra Forest and Grand Ridge
uncore PMU support.
- Misc cleanups & fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-core-2024-01-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull performance events updates from Ingo Molnar:
- Add branch stack counters ABI extension to better capture the growing
amount of information the PMU exposes via branch stack sampling.
There's matching tooling support.
- Fix race when creating the nr_addr_filters sysfs file
- Add Intel Sierra Forest and Grand Ridge intel/cstate PMU support
- Add Intel Granite Rapids, Sierra Forest and Grand Ridge uncore PMU
support
- Misc cleanups & fixes
* tag 'perf-core-2024-01-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel/uncore: Factor out topology_gidnid_map()
perf/x86/intel/uncore: Fix NULL pointer dereference issue in upi_fill_topology()
perf/x86/amd: Reject branch stack for IBS events
perf/x86/intel/uncore: Support Sierra Forest and Grand Ridge
perf/x86/intel/uncore: Support IIO free-running counters on GNR
perf/x86/intel/uncore: Support Granite Rapids
perf/x86/uncore: Use u64 to replace unsigned for the uncore offsets array
perf/x86/intel/uncore: Generic uncore_get_uncores and MMIO format of SPR
perf: Fix the nr_addr_filters fix
perf/x86/intel/cstate: Add Grand Ridge support
perf/x86/intel/cstate: Add Sierra Forest support
x86/smp: Export symbol cpu_clustergroup_mask()
perf/x86/intel/cstate: Cleanup duplicate attr_groups
perf/core: Fix narrow startup race when creating the perf nr_addr_filters sysfs file
perf/x86/intel: Support branch counters logging
perf/x86/intel: Reorganize attrs and is_visible
perf: Add branch_sample_call_stack
perf/x86: Add PERF_X86_EVENT_NEEDS_BRANCH_STACK flag
perf: Add branch stack counters
|
||
|
Linus Torvalds
|
2fdbcf715a |
x86/entry changes for v6.8:
- Optimize common_interrupt_return()
- Harden the return-to-user code by making a CONFIG_DEBUG_ENTRY=y
check unconditional & moving it closer to the IRET.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-entry-2024-01-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 entry updates from Ingo Molnar:
- Optimize common_interrupt_return()
- Harden the return-to-user code by making a CONFIG_DEBUG_ENTRY=y check
unconditional & moving it closer to the IRET.
* tag 'x86-entry-2024-01-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/entry: Harden return-to-user
x86/entry: Optimize common_interrupt_return()
|
||
|
Linus Torvalds
|
33677aef32 |
x86/core changes for v6.8:
- Add comments about the magic behind the shadow STI
before MWAIT in __sti_mwait().
- Fix possible unintended timer delays caused by a race in
mwait_idle_with_hints().
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-core-2024-01-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 core updates from Ingo Molnar:
- Add comments about the magic behind the shadow STI
before MWAIT in __sti_mwait().
- Fix possible unintended timer delays caused by a race
in mwait_idle_with_hints().
* tag 'x86-core-2024-01-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Fix CPUIDLE_FLAG_IRQ_ENABLE leaking timer reprogram
x86: Add a comment about the "magic" behind shadow sti before mwait
|
||
|
Linus Torvalds
|
b51cc5d028 |
x86/cleanups changes for v6.8:
- A micro-optimization got misplaced as a cleanup:
- Micro-optimize the asm code in secondary_startup_64_no_verify()
- Change global variables to local
- Add missing kernel-doc function parameter descriptions
- Remove unused parameter from a macro
- Remove obsolete Kconfig entry
- Fix comments
- Fix typos, mostly scripted, manually reviewed
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-cleanups-2024-01-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cleanups from Ingo Molnar:
- Change global variables to local
- Add missing kernel-doc function parameter descriptions
- Remove unused parameter from a macro
- Remove obsolete Kconfig entry
- Fix comments
- Fix typos, mostly scripted, manually reviewed
and a micro-optimization got misplaced as a cleanup:
- Micro-optimize the asm code in secondary_startup_64_no_verify()
* tag 'x86-cleanups-2024-01-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
arch/x86: Fix typos
x86/head_64: Use TESTB instead of TESTL in secondary_startup_64_no_verify()
x86/docs: Remove reference to syscall trampoline in PTI
x86/Kconfig: Remove obsolete config X86_32_SMP
x86/io: Remove the unused 'bw' parameter from the BUILDIO() macro
x86/mtrr: Document missing function parameters in kernel-doc
x86/setup: Make relocated_ramdisk a local variable of relocate_initrd()
|
||
|
Linus Torvalds
|
42c371f8ec |
x86/build changes for v6.8:
- Update the objdump & instruction decoder self-test code for
better LLVM toolchain compatibility
- Rework CONFIG_X86_PAE dependencies, for better readability
and higher robustness.
- Misc cleanups
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-build-2024-01-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 build updates from Ingo Molnar:
- Update the objdump & instruction decoder self-test code for better
LLVM toolchain compatibility
- Rework CONFIG_X86_PAE dependencies, for better readability and higher
robustness.
- Misc cleanups
* tag 'x86-build-2024-01-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/tools: objdump_reformat.awk: Skip bad instructions from llvm-objdump
x86/Kconfig: Rework CONFIG_X86_PAE dependency
x86/tools: Remove chkobjdump.awk
x86/tools: objdump_reformat.awk: Allow for spaces
x86/tools: objdump_reformat.awk: Ensure regex matches fwait
|
||
|
Linus Torvalds
|
f73857ece4 |
x86/boot changes for v6.8:
- Ignore NMIs during very early boot, to address kexec crashes - Remove redundant initialization in boot/string.c's strcmp() Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmWb15sRHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1i+iQ/6Aj9b7ap+G+x/73c2ztrOIThyvSFn1rWG 3CMJDbfS2F+cpwC+8DjVePcAOtJj4twq4w/LnUfO5uZwI7iHtiTBnyOyDXaNjn2O Npi2IdSRV0VtPXIHQso34aLLhvIK+B+/sL6ljfUYHGvteKOXywkW/UXYMCvMqawp fBTCWKzicF4ELsiqiqG0xjVwjeE8TLbV+7zEp94o6cw2AYpiDsOu/3RkGdZ8frN3 YcD0+druf68Uog/r6Wm0rikrhOoNHpvI8SVz/PeTx42Etpt35bf4sqbttaRUXCow AhJ8Bn7QTvt9sANfow+18L8gaybA919xSNGyLuHVK/CSEVLBz17be1ASMQL+a1+W UJresKNKaSIaNEo6MrHYD0tS87o/HKywFIHu0iNDMPlVDMPslPsYFP81U+wCkjaO eFewv28e1Z7XS+SbXyl+K1+G6A8zCxUJizmzMWTI8PIJVo7f+JgclPMHHr5+7WyT s7ZZy8jC4vioZbAy4IH+UZUMtmGTs465EkzToxgdFrxN9aZ+zBTWbZGvAtYXH4Vk Iaex2pWUUqWHfJ4RW7ramLYUXPRDxzmzV05GmTZKNuJzHvYWmUe3USunubeZFTc8 XVFuQ5u6TGNGsoKfoDVOwYg6bXXy6Dx1MgTCRMObyQlktjROEUNt9u6f0OrmELgO X6JpvmLQGSY= =JSPC -----END PGP SIGNATURE----- Merge tag 'x86-boot-2024-01-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 boot updates from Ingo Molnar: - Ignore NMIs during very early boot, to address kexec crashes - Remove redundant initialization in boot/string.c's strcmp() * tag 'x86-boot-2024-01-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/boot: Remove redundant initialization of the 'delta' variable in strcmp() x86/boot: Ignore NMIs during very early boot |
||
|
Linus Torvalds
|
106b88d7a9 |
x86/asm changes for v6.8:
- Replace magic numbers in GDT descriptor definitions & handling:
- Introduce symbolic names via macros for descriptor types/fields/flags,
and then use these symbolic names.
- Clean up definitions a bit, such as GDT_ENTRY_INIT()
- Fix/clean up details that became visibly inconsistent after the
symbol-based code was introduced:
- Unify accessed flag handling
- Set the D/B size flag consistently & according to the HW specification
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-asm-2024-01-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 asm updates from Ingo Molnar:
"Replace magic numbers in GDT descriptor definitions & handling:
- Introduce symbolic names via macros for descriptor
types/fields/flags, and then use these symbolic names.
- Clean up definitions a bit, such as GDT_ENTRY_INIT()
- Fix/clean up details that became visibly inconsistent after the
symbol-based code was introduced:
- Unify accessed flag handling
- Set the D/B size flag consistently & according to the HW
specification"
* tag 'x86-asm-2024-01-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/asm: Add DB flag to 32-bit percpu GDT entry
x86/asm: Always set A (accessed) flag in GDT descriptors
x86/asm: Replace magic numbers in GDT descriptors, script-generated change
x86/asm: Replace magic numbers in GDT descriptors, preparations
x86/asm: Provide new infrastructure for GDT descriptors
|
||
|
Linus Torvalds
|
33034c4f94 |
x86/apic changes for v6.8:
- Clean up 'struct apic':
- Drop ::delivery_mode
- Drop 'enum apic_delivery_modes'
- Drop 'struct local_apic'
- Fix comments
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-apic-2024-01-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 apic updates from Ingo Molnar:
- Clean up 'struct apic':
- Drop ::delivery_mode
- Drop 'enum apic_delivery_modes'
- Drop 'struct local_apic'
- Fix comments
* tag 'x86-apic-2024-01-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/ioapic: Remove unfinished sentence from comment
x86/apic: Drop struct local_apic
x86/apic: Drop enum apic_delivery_modes
x86/apic: Drop apic::delivery_mode
|
||
|
Linus Torvalds
|
3edbe8afb6 |
- Convert the hw error storm handling into a finer-grained, per-bank
solution which allows for more timely detection and reporting of errors - Start a documentation section which will hold down relevant RAS features description and how they should be used - Add new AMD error bank types - Slim down and remove error type descriptions from the kernel side of error decoding to rasdaemon which can be used from now on to decode hw errors on AMD - Mark pages containing uncorrectable errors as poison so that kdump can avoid them and thus not cause another panic - The usual cleanups and fixlets -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmWamqkACgkQEsHwGGHe VUrkMw/+Jv//z5pKFMXF2GlI/Xefh8pXDB57D22B1T6zNJm+Qq1b58U44WpxoU24 b9gPtkgxjzA3JwoQG+cBDkCSs1xLV3McUS0UoEqQ28QvFN+mzxYKu4ura3F+rcZG PiCT4gPEYgZirYl0PKYeypnBPq3Krx/RYeTUE0vQ9HtmeBCmH71X1egyB4TqFbFU 7ui9aITLAnLBwgO6On1qviGPvJoEDGAsQ656XoY0Js+8dUeYwAI4qpaaUwtXUo1D ARGzss55/qTRo2G+IkDDhbJ8e8G+eX22oa0n1tdhNFBqfYAN6gM+t4NiFlNnn+18 nlbaSZfDygciE8DVjEnkVIrRJtkq7uj0dk7LvnqEI2y7J0LybHojC3hDKrqYLK3o PRgfPwmykOCwZQldGFYbShvmY8KoEQc/V9OWi/+A/M/uTJsForQmHn78Z2YkO9kG K6VaLuYszSCqz47wf56pHBwtMrivEPmkcxaz9ErkK90vM/NmV7kfLl+R8IK8apNJ cJkuLBjfgGpBP+AlpXGl9OE0lRJK5MCbEBlbGBBl58REBaB4DNkM4QHItrUSRR82 ADLcfLAIRWT8UwwXieDbWF1jb+4L+IJnXCKGCCQ7+eYxcFI9V9TABD2B8io+Dzvz evZwLCPKmjuPc2CMcDu/eUdBKLNTn3QAoN/NLcVmzJ23lguQW/M= =o3UM -----END PGP SIGNATURE----- Merge tag 'ras_core_for_v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 RAS updates from Borislav Petkov: - Convert the hw error storm handling into a finer-grained, per-bank solution which allows for more timely detection and reporting of errors - Start a documentation section which will hold down relevant RAS features description and how they should be used - Add new AMD error bank types - Slim down and remove error type descriptions from the kernel side of error decoding to rasdaemon which can be used from now on to decode hw errors on AMD - Mark pages containing uncorrectable errors as poison so that kdump can avoid them and thus not cause another panic - The usual cleanups and fixlets * tag 'ras_core_for_v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mce: Handle Intel threshold interrupt storms x86/mce: Add per-bank CMCI storm mitigation x86/mce: Remove old CMCI storm mitigation code Documentation: Begin a RAS section x86/MCE/AMD: Add new MA_LLC, USR_DP, and USR_CP bank types EDAC/mce_amd: Remove SMCA Extended Error code descriptions x86/mce/amd, EDAC/mce_amd: Move long names to decoder module x86/mce/inject: Clear test status value x86/mce: Remove redundant check from mce_device_create() x86/mce: Mark fatal MCE's page as poison to avoid panic in the kdump kernel |
||
|
Linus Torvalds
|
bef91c28f2 |
- Add synthetic X86_FEATURE flags for the different AMD Zen generations
and use them everywhere instead of ad-hoc family/model checks. Drop an ancient AMD errata checking facility as a result - Fix a fragile initcall ordering in intel_epb - Do not issue the MFENCE+LFENCE barrier for the TSC deadline and X2APIC MSRs on AMD as it is not needed there -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmWalaEACgkQEsHwGGHe VUrDYg/+LjqjJv3OcVZZkx9WVds0kmBCajrf9JxRYgiSTIpiL/usH0QOms8FjHQ6 tYcukj+RJDk2nP5ho3Vs1WNA0mvU0nxC+99u0Ph4zugSMSl0XGOA+YxxTBPXmDGB 1IxH9IloMFPhwDoQ4/ear0IvjIrfE4ESV2Dafe45WzVSdG7/0ijurisaH1kPYraP wzuNn142Tk0eicaam30sdThXZraO9Paz5MOYbpYEAU4lxNtdH85sQa+Xk0tqJcjD IwEcQJLE6n3r8t/lNMIlhAsmOVGrD5WltDH9HvEmKT4mzTumSc9DLu3YHHRWyx2K TMpRYHlVuvGJkJV3CYXi8fhTsV6uMsHEe1+xZ/Rf0iQzOG25v+zen8WK4REWOr/o VmprG3j7LkEFeeH3CqSOtVSbYmxFILQb6pAbzSlI907b5C6PaEYuudjVXuX01urN IG3krWHGMJ3AWKDV2Z3hW1TYtbLJyqKPNhqcBJiOuWyCe8cQXfKQBTpP5HuAEZEd UXc4QpStMvuPqxyQhlPSTAtY7L/UVhBH8oHoXPYiBmcCo7VtJYW6HH9z1ISUc1av FgKdkpx6vaJiXlD/wI/B5T1oViWQ8udhHpit99rhKl623e7WC2rdguAOVDLn/YIe cZB+R05yknBWOavH0kcuz9R9xYKMSBcEsRnBKmeOg9R+tTK/7BM= =afTN -----END PGP SIGNATURE----- Merge tag 'x86_cpu_for_v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 cpu feature updates from Borislav Petkov: - Add synthetic X86_FEATURE flags for the different AMD Zen generations and use them everywhere instead of ad-hoc family/model checks. Drop an ancient AMD errata checking facility as a result - Fix a fragile initcall ordering in intel_epb - Do not issue the MFENCE+LFENCE barrier for the TSC deadline and X2APIC MSRs on AMD as it is not needed there * tag 'x86_cpu_for_v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/CPU/AMD: Add X86_FEATURE_ZEN1 x86/CPU/AMD: Drop now unused CPU erratum checking function x86/CPU/AMD: Get rid of amd_erratum_1485[] x86/CPU/AMD: Get rid of amd_erratum_400[] x86/CPU/AMD: Get rid of amd_erratum_383[] x86/CPU/AMD: Get rid of amd_erratum_1054[] x86/CPU/AMD: Move the DIV0 bug detection to the Zen1 init function x86/CPU/AMD: Move Zenbleed check to the Zen2 init function x86/CPU/AMD: Rename init_amd_zn() to init_amd_zen_common() x86/CPU/AMD: Call the spectral chicken in the Zen2 init function x86/CPU/AMD: Move erratum 1076 fix into the Zen1 init function x86/CPU/AMD: Move the Zen3 BTC_NO detection to the Zen3 init function x86/CPU/AMD: Carve out the erratum 1386 fix x86/CPU/AMD: Add ZenX generations flags x86/cpu/intel_epb: Don't rely on link order x86/barrier: Do not serialize MSR accesses on AMD |
||
|
Linus Torvalds
|
e900042f04 |
- Convert the sev-guest plaform ->remove callback to return void
- Move the SEV C-bit verification to the BSP as it needs to happen only once and not on every AP -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmWbIXUACgkQEsHwGGHe VUocDQ//cxfdJuF+Srww/WgpXSc2EmT6OAlSX8R1S89PD5PPDWJq3U8dE7gScZnH bjcFj7CMkyFHe4yPkDljdS4+7Zrt2ilbzuojdnCjByd4aL5fCsZJCjWlVeaR/0ay 3lkr+fX3GtAl2njOBv9Fc0E7qh/E8zHRNcIRIS6Lz+LY5ziNqU9IGZruESQKkR2B GokNKqWfqFhJaifEe4F+AdWRbZaEZlli6Gttn7T+QPPRk9LPCaxqkHT0BbIbUqnr eMdvPZucWZiqNe1C9zxKeRyzqc2nPXbvi1QkCundXrCYwRuF4+sQiyM5yEMmStdl wQ/kfbLJFFS96RZ408UNrvSJHYulFRb5uNj0M6lIc2KlQt2PCPhz2+MsipjWMYEP 7qz5KGkiSyosTZ+ZT0jw1G++KtRcoG/brXFKXGuu9I2yi0OMOtNdCXNH9SyTJDT3 d6nk5t2xloPH8qLfAb9BK7uVINSSlu/f/3nuoKqlHPSYcZoK7kt0BW4DJNb8+iYO XhdmCpvYIfMvyaLjFYypimE7AnqgafUS/zVQCfnIF6BJveGj6AI/Xv0yubwErbuK ijcrz2x9LlwgoAGMClePFWwhmRfg1M3cRRD4VekH4kIC6pcrP2Wk3Dl2VgaojEdg F4qE+RB1x4AO5wkiYLtHACPZQ7i7yzLLGOhBTxFjgXz0EBMwTYU= =zKez -----END PGP SIGNATURE----- Merge tag 'x86_sev_for_v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 SEV updates from Borislav Petkov: - Convert the sev-guest plaform ->remove callback to return void - Move the SEV C-bit verification to the BSP as it needs to happen only once and not on every AP * tag 'x86_sev_for_v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: virt: sev-guest: Convert to platform remove callback returning void x86/sev: Do the C-bit verification only on the BSP |
||
|
Linus Torvalds
|
fc5e5c5923 |
- Replace the paravirt patching functionality using the alternatives
infrastructure and remove the former - Misc other improvements -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmWbIJ0ACgkQEsHwGGHe VUrOSg//duslGRzbLkrjijYmlb9C9yjdf+7611biRNExxlOUbQvgMX8O5/qnvfhk ddqcyRJlg6GeooMI3ch25KRqdUbcgI5Zq1ftG7hFiX94gIiWhiHibYxtmnNGsDuy sq4R3nxqZxpTh2Seajh9AfXS4uINu1wsedLxuSyNiCBk2/BB7zqC3aPCyAtjJDdT tpPN+dx5s/rmPkdCcdFxwAgSxsohLjZgktdZIUCbVM+blbghDgPV1wjhCUimxUYx 2woqS0zgOZb6eRcZgdXkuaNvOqODOwIZo3iebr6XSIb49YCC/KhuUlDDr/ZZGV3a CeMR42sa2CEdl0YHsnHEm8LswpUVqL6FBfFnC+TP0bAGRC+L4pNEaS6eQk+ktWf/ +k6bvuBhuPgZG5KdxgQiJB8wogDxCXqQtI7MNLI0IuBS7GC2hjHb35WB6Qb8i+EB ffyIJYhK0shpVzo9H1efosmLfO+i2RPn5YZiC+S27MVqGbYEkW6713hr56vp58mK UaxXWoTnfRR9O5Hyf0xEf/qjZFO2zpmQRgXIM2ECzLxn7GNvsPtcHsYJmLJyeUXf 749glVHz8Ue9HsDTCQB35Z9yRT4cVuz2FclwEt51Qlta8QtX8MRaL/l+F3FOrHoo CPgo/fzSav3Z/XpQpjbC7vI886azQivuX5i5J9LhO5IDc8O3OMs= =Q5U5 -----END PGP SIGNATURE----- Merge tag 'x86_paravirt_for_v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 paravirt updates from Borislav Petkov: - Replace the paravirt patching functionality using the alternatives infrastructure and remove the former - Misc other improvements * tag 'x86_paravirt_for_v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/alternative: Correct feature bit debug output x86/paravirt: Remove no longer needed paravirt patching code x86/paravirt: Switch mixed paravirt/alternative calls to alternatives x86/alternative: Add indirect call patching x86/paravirt: Move some functions and defines to alternative.c x86/paravirt: Introduce ALT_NOT_XEN x86/paravirt: Make the struct paravirt_patch_site packed x86/paravirt: Use relative reference for the original instruction offset |
||
|
Linus Torvalds
|
41a80ca4ae |
- Add an informational message which gets issued when IA32 emulation has
been disabled on the cmdline - Clarify in detail how /proc/cpuinfo is used on x86 - Fix a theoretical overflow in num_digits() -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmWZbXYACgkQEsHwGGHe VUpvDhAAmyvuYTVxWlCwHVfAfsaP9CczhOVTKy72fAIyTAa93if0pzzgNKd83k3f V1g3e2azk9VBGiRqDrexz3jJ6lKgQ4OUSWC3p+ywI5PuFmOWDZt3Xj4tUb6wTitA 5NuBBue/K1tm5AIXHRRX4b0yGCNQnp1nuuDeSci8R/Y8/41+6S1dxzPd4okVoegj 1Fjkn6l3gfTjW11xXP+OHP758xOvsbO1vFpyQFH+i9gHBructV4AN0UpsIFBOOnX ySaVL5w2bd5bVyRoVcJzVuvBvOnRwyLrTDzOmSqn57xnCL1Yc/YvBU9voLjo99XX GUQRd/ezfwOiKjf4EcomZZDnL3yEDyEm9gcmRvTYCq0OBxEaI0TEtmsF87eQig3e xe4qbiiFGRbTNb7VjxqbELmXgELE8+euv7pk6NgScA2DZP36H1SRDKujU7jIiwBM pKYJZwyTMC9JkJ+u9dqK0vHPihLBowFlXwKunuhCmk5iTmpLtXDo5ItesI29P/6Z viuu4ja07/7t91BEXwWaJjnVlsqfJNY28g5NyPNUhwXBMWEV7bHApUIn4XaRjkj0 wGzjD482+1TkfGHe5uIjM8dY9/+xJY/WIAO22liU4oUbGSmR/tFCwM6ZC4XeJfnP Q5aO9tcQBIrpIZMGMNd+eBvX2AnLFZ80l0iOHPayWBUoyhS8Wm8= =lzR+ -----END PGP SIGNATURE----- Merge tag 'x86_misc_for_v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull misc x86 updates from Borislav Petkov: - Add an informational message which gets issued when IA32 emulation has been disabled on the cmdline - Clarify in detail how /proc/cpuinfo is used on x86 - Fix a theoretical overflow in num_digits() * tag 'x86_misc_for_v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/ia32: State that IA32 emulation is disabled Documentation/x86: Document what /proc/cpuinfo is for x86/lib: Fix overflow when counting digits |
||
|
Linus Torvalds
|
6e0b939180 |
- Correct minor issues after the microcode revision reporting sanitization
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||
|
Linus Torvalds
|
8c9440fea7 |
vfs-6.8.mount
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Merge tag 'vfs-6.8.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs mount updates from Christian Brauner:
"This contains the work to retrieve detailed information about mounts
via two new system calls. This is hopefully the beginning of the end
of the saga that started with fsinfo() years ago.
The LWN articles in [1] and [2] can serve as a summary so we can avoid
rehashing everything here.
At LSFMM in May 2022 we got into a room and agreed on what we want to
do about fsinfo(). Basically, split it into pieces. This is the first
part of that agreement. Specifically, it is concerned with retrieving
information about mounts. So this only concerns the mount information
retrieval, not the mount table change notification, or the extended
filesystem specific mount option work. That is separate work.
Currently mounts have a 32bit id. Mount ids are already in heavy use
by libmount and other low-level userspace but they can't be relied
upon because they're recycled very quickly. We agreed that mounts
should carry a unique 64bit id by which they can be referenced
directly. This is now implemented as part of this work.
The new 64bit mount id is exposed in statx() through the new
STATX_MNT_ID_UNIQUE flag. If the flag isn't raised the old mount id is
returned. If it is raised and the kernel supports the new 64bit mount
id the flag is raised in the result mask and the new 64bit mount id is
returned. New and old mount ids do not overlap so they cannot be
conflated.
Two new system calls are introduced that operate on the 64bit mount
id: statmount() and listmount(). A summary of the api and usage can be
found on LWN as well (cf. [3]) but of course, I'll provide a summary
here as well.
Both system calls rely on struct mnt_id_req. Which is the request
struct used to pass the 64bit mount id identifying the mount to
operate on. It is extensible to allow for the addition of new
parameters and for future use in other apis that make use of mount
ids.
statmount() mimicks the semantics of statx() and exposes a set flags
that userspace may raise in mnt_id_req to request specific information
to be retrieved. A statmount() call returns a struct statmount filled
in with information about the requested mount. Supported requests are
indicated by raising the request flag passed in struct mnt_id_req in
the @mask argument in struct statmount.
Currently we do support:
- STATMOUNT_SB_BASIC:
Basic filesystem info
- STATMOUNT_MNT_BASIC
Mount information (mount id, parent mount id, mount attributes etc)
- STATMOUNT_PROPAGATE_FROM
Propagation from what mount in current namespace
- STATMOUNT_MNT_ROOT
Path of the root of the mount (e.g., mount --bind /bla /mnt returns /bla)
- STATMOUNT_MNT_POINT
Path of the mount point (e.g., mount --bind /bla /mnt returns /mnt)
- STATMOUNT_FS_TYPE
Name of the filesystem type as the magic number isn't enough due to submounts
The string options STATMOUNT_MNT_{ROOT,POINT} and STATMOUNT_FS_TYPE
are appended to the end of the struct. Userspace can use the offsets
in @fs_type, @mnt_root, and @mnt_point to reference those strings
easily.
The struct statmount reserves quite a bit of space currently for
future extensibility. This isn't really a problem and if this bothers
us we can just send a follow-up pull request during this cycle.
listmount() is given a 64bit mount id via mnt_id_req just as
statmount(). It takes a buffer and a size to return an array of the
64bit ids of the child mounts of the requested mount. Userspace can
thus choose to either retrieve child mounts for a mount in batches or
iterate through the child mounts. For most use-cases it will be
sufficient to just leave space for a few child mounts. But for big
mount tables having an iterator is really helpful. Iterating through a
mount table works by setting @param in mnt_id_req to the mount id of
the last child mount retrieved in the previous listmount() call"
Link: https://lwn.net/Articles/934469 [1]
Link: https://lwn.net/Articles/829212 [2]
Link: https://lwn.net/Articles/950569 [3]
* tag 'vfs-6.8.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
add selftest for statmount/listmount
fs: keep struct mnt_id_req extensible
wire up syscalls for statmount/listmount
add listmount(2) syscall
statmount: simplify string option retrieval
statmount: simplify numeric option retrieval
add statmount(2) syscall
namespace: extract show_path() helper
mounts: keep list of mounts in an rbtree
add unique mount ID
|
||
|
Linus Torvalds
|
c604110e66 |
vfs-6.8.misc
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Merge tag 'vfs-6.8.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull misc vfs updates from Christian Brauner:
"This contains the usual miscellaneous features, cleanups, and fixes
for vfs and individual fses.
Features:
- Add Jan Kara as VFS reviewer
- Show correct device and inode numbers in proc/<pid>/maps for vma
files on stacked filesystems. This is now easily doable thanks to
the backing file work from the last cycles. This comes with
selftests
Cleanups:
- Remove a redundant might_sleep() from wait_on_inode()
- Initialize pointer with NULL, not 0
- Clarify comment on access_override_creds()
- Rework and simplify eventfd_signal() and eventfd_signal_mask()
helpers
- Process aio completions in batches to avoid needless wakeups
- Completely decouple struct mnt_idmap from namespaces. We now only
keep the actual idmapping around and don't stash references to
namespaces
- Reformat maintainer entries to indicate that a given subsystem
belongs to fs/
- Simplify fput() for files that were never opened
- Get rid of various pointless file helpers
- Rename various file helpers
- Rename struct file members after SLAB_TYPESAFE_BY_RCU switch from
last cycle
- Make relatime_need_update() return bool
- Use GFP_KERNEL instead of GFP_USER when allocating superblocks
- Replace deprecated ida_simple_*() calls with their current ida_*()
counterparts
Fixes:
- Fix comments on user namespace id mapping helpers. They aren't
kernel doc comments so they shouldn't be using /**
- s/Retuns/Returns/g in various places
- Add missing parameter documentation on can_move_mount_beneath()
- Rename i_mapping->private_data to i_mapping->i_private_data
- Fix a false-positive lockdep warning in pipe_write() for watch
queues
- Improve __fget_files_rcu() code generation to improve performance
- Only notify writer that pipe resizing has finished after setting
pipe->max_usage otherwise writers are never notified that the pipe
has been resized and hang
- Fix some kernel docs in hfsplus
- s/passs/pass/g in various places
- Fix kernel docs in ntfs
- Fix kcalloc() arguments order reported by gcc 14
- Fix uninitialized value in reiserfs"
* tag 'vfs-6.8.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (36 commits)
reiserfs: fix uninit-value in comp_keys
watch_queue: fix kcalloc() arguments order
ntfs: dir.c: fix kernel-doc function parameter warnings
fs: fix doc comment typo fs tree wide
selftests/overlayfs: verify device and inode numbers in /proc/pid/maps
fs/proc: show correct device and inode numbers in /proc/pid/maps
eventfd: Remove usage of the deprecated ida_simple_xx() API
fs: super: use GFP_KERNEL instead of GFP_USER for super block allocation
fs/hfsplus: wrapper.c: fix kernel-doc warnings
fs: add Jan Kara as reviewer
fs/inode: Make relatime_need_update return bool
pipe: wakeup wr_wait after setting max_usage
file: remove __receive_fd()
file: stop exposing receive_fd_user()
fs: replace f_rcuhead with f_task_work
file: remove pointless wrapper
file: s/close_fd_get_file()/file_close_fd()/g
Improve __fget_files_rcu() code generation (and thus __fget_light())
file: massage cleanup of files that failed to open
fs/pipe: Fix lockdep false-positive in watchqueue pipe_write()
...
|
||
Kirill A. Shutemov
|
1c6d984f52 |
x86/kvm: Do not try to disable kvmclock if it was not enabled
kvm_guest_cpu_offline() tries to disable kvmclock regardless if it is
present in the VM. It leads to write to a MSR that doesn't exist on some
configurations, namely in TDX guest:
unchecked MSR access error: WRMSR to 0x12 (tried to write 0x0000000000000000)
at rIP: 0xffffffff8110687c (kvmclock_disable+0x1c/0x30)
kvmclock enabling is gated by CLOCKSOURCE and CLOCKSOURCE2 KVM paravirt
features.
Do not disable kvmclock if it was not enabled.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Fixes:
|
||
Paolo Bonzini
|
7f26fea9bc |
KVM x86 MMU changes for 6.8:
- Fix a relatively benign off-by-one error when splitting huge pages during
CLEAR_DIRTY_LOG.
- Fix a bug where KVM could incorrectly test-and-clear dirty bits in non-leaf
TDP MMU SPTEs if a racing thread replaces a huge SPTE with a non-huge SPTE.
- Relax the TDP MMU's lockdep assertions related to holding mmu_lock for read
versus write so that KVM doesn't pass "bool shared" all over the place just
to have precise assertions in paths that don't actually care about whether
the caller is a reader or a writer.
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Merge tag 'kvm-x86-mmu-6.8' of https://github.com/kvm-x86/linux into HEAD
KVM x86 MMU changes for 6.8:
- Fix a relatively benign off-by-one error when splitting huge pages during
CLEAR_DIRTY_LOG.
- Fix a bug where KVM could incorrectly test-and-clear dirty bits in non-leaf
TDP MMU SPTEs if a racing thread replaces a huge SPTE with a non-huge SPTE.
- Relax the TDP MMU's lockdep assertions related to holding mmu_lock for read
versus write so that KVM doesn't pass "bool shared" all over the place just
to have precise assertions in paths that don't actually care about whether
the caller is a reader or a writer.
|
||
|
Paolo Bonzini
|
3115d2de39 |
KVM Xen change for 6.8:
To workaround Xen guests that don't expect Xen PV clocks to be marked as being based on a stable TSC, add a Xen config knob to allow userspace to opt out of KVM setting the "TSC stable" bit in Xen PV clocks. Note, the "TSC stable" bit was added to the PVCLOCK ABI by KVM without an ack from Xen, i.e. KVM isn't entirely blameless for the buggy guest behavior. -----BEGIN PGP SIGNATURE----- iQJGBAABCgAwFiEEMHr+pfEFOIzK+KY1YJEiAU0MEvkFAmWXASsSHHNlYW5qY0Bn b29nbGUuY29tAAoJEGCRIgFNDBL5R54P/iQPQBs4dJmNkPiA6uSq1O5/8hN4P59z aapJNgDiny/D9/zPbOxGWR31W7lvCgiES/lp3KcHZmwbeAwJpdT6a0cJWGRlGuov gccK8AoYcnwSU98sPisnFv7dJ66ogJfXVkPKKaWo+zVW53XUq2XpIie4eWaOweBt QsXpTGYpGajv1Bf/MgRtNtlkVAo1w8XL1L0NWRugzCk2CAYezz8IT1874GNZoJbd GJfVP+76FdNw+4/CxiaBwxP0gHfBIiAsJzGqbmMPhGG2xJn+KGs5FTEf37Pta8cl aMHAq6/JAoabJfP39MexVkopMaFlPbDwIWfkLWf6wSP86KHei+t9kLC0E4/R2NJ+ GKlrBB6Gj+gzFR4fZ75hIwS/4REMt6zVCbS7uSRrCduqrlEFcY5ED2NesoL9wZrB WMDIxIGIVDdRxc9WLypKmBj7KTgL0qXBxnsAcPiDRf1sk6SGajkesWxA1C1Nzo/H yNfqq0gjdPZVB2RIGN6DpWQFu3d+ZQnG2ToKIBW7OkvJ5USYiDSo4VozhESgYHRZ UJDhJ73QYESynClP6ST+9cxNof3FXCEPDeKr5NcmjVZxlJcdeUDNRqv0LUxQ56BI FvHMHtSs4WLYHZZVzsdh+Yhnc9rEGfoL0NwDPBCcOXjuNMvNQmuzSldc/VDGm/qt sCtxYMms5n7u =3v8F -----END PGP SIGNATURE----- Merge tag 'kvm-x86-xen-6.8' of https://github.com/kvm-x86/linux into HEAD KVM Xen change for 6.8: To workaround Xen guests that don't expect Xen PV clocks to be marked as being based on a stable TSC, add a Xen config knob to allow userspace to opt out of KVM setting the "TSC stable" bit in Xen PV clocks. Note, the "TSC stable" bit was added to the PVCLOCK ABI by KVM without an ack from Xen, i.e. KVM isn't entirely blameless for the buggy guest behavior. |
||
|
Paolo Bonzini
|
8c9244af4d |
KVM SVM changes for 6.8:
- Revert a bogus, made-up nested SVM consistency check for TLB_CONTROL.
- Advertise flush-by-ASID support for nSVM unconditionally, as KVM always
flushes on nested transitions, i.e. always satisfies flush requests. This
allows running bleeding edge versions of VMware Workstation on top of KVM.
- Sanity check that the CPU supports flush-by-ASID when enabling SEV support.
- Fix a benign NMI virtualization bug where KVM would unnecessarily intercept
IRET when manually injecting an NMI, e.g. when KVM pends an NMI and injects
a second, "simultaneous" NMI.
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Merge tag 'kvm-x86-svm-6.8' of https://github.com/kvm-x86/linux into HEAD
KVM SVM changes for 6.8:
- Revert a bogus, made-up nested SVM consistency check for TLB_CONTROL.
- Advertise flush-by-ASID support for nSVM unconditionally, as KVM always
flushes on nested transitions, i.e. always satisfies flush requests. This
allows running bleeding edge versions of VMware Workstation on top of KVM.
- Sanity check that the CPU supports flush-by-ASID when enabling SEV support.
- Fix a benign NMI virtualization bug where KVM would unnecessarily intercept
IRET when manually injecting an NMI, e.g. when KVM pends an NMI and injects
a second, "simultaneous" NMI.
|
||
|
Paolo Bonzini
|
8ecb10bcbf |
KVM x86 support for virtualizing Linear Address Masking (LAM)
Add KVM support for Linear Address Masking (LAM). LAM tweaks the canonicality
checks for most virtual address usage in 64-bit mode, such that only the most
significant bit of the untranslated address bits must match the polarity of the
last translated address bit. This allows software to use ignored, untranslated
address bits for metadata, e.g. to efficiently tag pointers for address
sanitization.
LAM can be enabled separately for user pointers and supervisor pointers, and
for userspace LAM can be select between 48-bit and 57-bit masking
- 48-bit LAM: metadata bits 62:48, i.e. LAM width of 15.
- 57-bit LAM: metadata bits 62:57, i.e. LAM width of 6.
For user pointers, LAM enabling utilizes two previously-reserved high bits from
CR3 (similar to how PCID_NOFLUSH uses bit 63): LAM_U48 and LAM_U57, bits 62 and
61 respectively. Note, if LAM_57 is set, LAM_U48 is ignored, i.e.:
- CR3.LAM_U48=0 && CR3.LAM_U57=0 == LAM disabled for user pointers
- CR3.LAM_U48=1 && CR3.LAM_U57=0 == LAM-48 enabled for user pointers
- CR3.LAM_U48=x && CR3.LAM_U57=1 == LAM-57 enabled for user pointers
For supervisor pointers, LAM is controlled by a single bit, CR4.LAM_SUP, with
the 48-bit versus 57-bit LAM behavior following the current paging mode, i.e.:
- CR4.LAM_SUP=0 && CR4.LA57=x == LAM disabled for supervisor pointers
- CR4.LAM_SUP=1 && CR4.LA57=0 == LAM-48 enabled for supervisor pointers
- CR4.LAM_SUP=1 && CR4.LA57=1 == LAM-57 enabled for supervisor pointers
The modified LAM canonicality checks:
- LAM_S48 : [ 1 ][ metadata ][ 1 ]
63 47
- LAM_U48 : [ 0 ][ metadata ][ 0 ]
63 47
- LAM_S57 : [ 1 ][ metadata ][ 1 ]
63 56
- LAM_U57 + 5-lvl paging : [ 0 ][ metadata ][ 0 ]
63 56
- LAM_U57 + 4-lvl paging : [ 0 ][ metadata ][ 0...0 ]
63 56..47
The bulk of KVM support for LAM is to emulate LAM's modified canonicality
checks. The approach taken by KVM is to "fill" the metadata bits using the
highest bit of the translated address, e.g. for LAM-48, bit 47 is sign-extended
to bits 62:48. The most significant bit, 63, is *not* modified, i.e. its value
from the raw, untagged virtual address is kept for the canonicality check. This
untagging allows
Aside from emulating LAM's canonical checks behavior, LAM has the usual KVM
touchpoints for selectable features: enumeration (CPUID.7.1:EAX.LAM[bit 26],
enabling via CR3 and CR4 bits, etc.
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Merge tag 'kvm-x86-lam-6.8' of https://github.com/kvm-x86/linux into HEAD
KVM x86 support for virtualizing Linear Address Masking (LAM)
Add KVM support for Linear Address Masking (LAM). LAM tweaks the canonicality
checks for most virtual address usage in 64-bit mode, such that only the most
significant bit of the untranslated address bits must match the polarity of the
last translated address bit. This allows software to use ignored, untranslated
address bits for metadata, e.g. to efficiently tag pointers for address
sanitization.
LAM can be enabled separately for user pointers and supervisor pointers, and
for userspace LAM can be select between 48-bit and 57-bit masking
- 48-bit LAM: metadata bits 62:48, i.e. LAM width of 15.
- 57-bit LAM: metadata bits 62:57, i.e. LAM width of 6.
For user pointers, LAM enabling utilizes two previously-reserved high bits from
CR3 (similar to how PCID_NOFLUSH uses bit 63): LAM_U48 and LAM_U57, bits 62 and
61 respectively. Note, if LAM_57 is set, LAM_U48 is ignored, i.e.:
- CR3.LAM_U48=0 && CR3.LAM_U57=0 == LAM disabled for user pointers
- CR3.LAM_U48=1 && CR3.LAM_U57=0 == LAM-48 enabled for user pointers
- CR3.LAM_U48=x && CR3.LAM_U57=1 == LAM-57 enabled for user pointers
For supervisor pointers, LAM is controlled by a single bit, CR4.LAM_SUP, with
the 48-bit versus 57-bit LAM behavior following the current paging mode, i.e.:
- CR4.LAM_SUP=0 && CR4.LA57=x == LAM disabled for supervisor pointers
- CR4.LAM_SUP=1 && CR4.LA57=0 == LAM-48 enabled for supervisor pointers
- CR4.LAM_SUP=1 && CR4.LA57=1 == LAM-57 enabled for supervisor pointers
The modified LAM canonicality checks:
- LAM_S48 : [ 1 ][ metadata ][ 1 ]
63 47
- LAM_U48 : [ 0 ][ metadata ][ 0 ]
63 47
- LAM_S57 : [ 1 ][ metadata ][ 1 ]
63 56
- LAM_U57 + 5-lvl paging : [ 0 ][ metadata ][ 0 ]
63 56
- LAM_U57 + 4-lvl paging : [ 0 ][ metadata ][ 0...0 ]
63 56..47
The bulk of KVM support for LAM is to emulate LAM's modified canonicality
checks. The approach taken by KVM is to "fill" the metadata bits using the
highest bit of the translated address, e.g. for LAM-48, bit 47 is sign-extended
to bits 62:48. The most significant bit, 63, is *not* modified, i.e. its value
from the raw, untagged virtual address is kept for the canonicality check. This
untagging allows
Aside from emulating LAM's canonical checks behavior, LAM has the usual KVM
touchpoints for selectable features: enumeration (CPUID.7.1:EAX.LAM[bit 26],
enabling via CR3 and CR4 bits, etc.
|
||
|
Paolo Bonzini
|
01edb1cfbd |
KVM x86 PMU changes for 6.8:
- Fix a variety of bugs where KVM fail to stop/reset counters and other state
prior to refreshing the vPMU model.
- Fix a double-overflow PMU bug by tracking emulated counter events using a
dedicated field instead of snapshotting the "previous" counter. If the
hardware PMC count triggers overflow that is recognized in the same VM-Exit
that KVM manually bumps an event count, KVM would pend PMIs for both the
hardware-triggered overflow and for KVM-triggered overflow.
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Merge tag 'kvm-x86-pmu-6.8' of https://github.com/kvm-x86/linux into HEAD
KVM x86 PMU changes for 6.8:
- Fix a variety of bugs where KVM fail to stop/reset counters and other state
prior to refreshing the vPMU model.
- Fix a double-overflow PMU bug by tracking emulated counter events using a
dedicated field instead of snapshotting the "previous" counter. If the
hardware PMC count triggers overflow that is recognized in the same VM-Exit
that KVM manually bumps an event count, KVM would pend PMIs for both the
hardware-triggered overflow and for KVM-triggered overflow.
|
||
|
Paolo Bonzini
|
33d0403fda |
KVM x86 misc changes for 6.8:
- Turn off KVM_WERROR by default for all configs so that it's not
inadvertantly enabled by non-KVM developers, which can be problematic for
subsystems that require no regressions for W=1 builds.
- Advertise all of the host-supported CPUID bits that enumerate IA32_SPEC_CTRL
"features".
- Don't force a masterclock update when a vCPU synchronizes to the current TSC
generation, as updating the masterclock can cause kvmclock's time to "jump"
unexpectedly, e.g. when userspace hotplugs a pre-created vCPU.
- Use RIP-relative address to read kvm_rebooting in the VM-Enter fault paths,
partly as a super minor optimization, but mostly to make KVM play nice with
position independent executable builds.
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Merge tag 'kvm-x86-misc-6.8' of https://github.com/kvm-x86/linux into HEAD
KVM x86 misc changes for 6.8:
- Turn off KVM_WERROR by default for all configs so that it's not
inadvertantly enabled by non-KVM developers, which can be problematic for
subsystems that require no regressions for W=1 builds.
- Advertise all of the host-supported CPUID bits that enumerate IA32_SPEC_CTRL
"features".
- Don't force a masterclock update when a vCPU synchronizes to the current TSC
generation, as updating the masterclock can cause kvmclock's time to "jump"
unexpectedly, e.g. when userspace hotplugs a pre-created vCPU.
- Use RIP-relative address to read kvm_rebooting in the VM-Enter fault paths,
partly as a super minor optimization, but mostly to make KVM play nice with
position independent executable builds.
|