28a65b49eb
1184567 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
WANG Xuerui
|
efada2afac |
LoongArch: Humanize the CRMD line when showing registers
Example output looks like: [ xx.xxxxxx] CRMD: 000000b0 (PLV0 -IE -DA +PG DACF=CC DACM=CC -WE) Some initial machinery for this pretty-printing format has been included in this patch as well. Signed-off-by: WANG Xuerui <git@xen0n.name> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> |
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WANG Xuerui
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05fa8d4977 |
LoongArch: Fix format of CSR lines during show_regs()
Use uppercase CSR names throughout for consistency with the manual wording, and right-align the keys. The "CSR" part is inferrable from context, hence dropped for more horizontal space. Signed-off-by: WANG Xuerui <git@xen0n.name> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> |
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WANG Xuerui
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863b3795ef |
LoongArch: Print symbol info for $ra and CSR.ERA only for kernel-mode contexts
Otherwise the addresses wouldn't make sense at all. While at it, align the "map keys" to maintain right-alignment with the "estat:" line too; also swap the ERA and ra lines so all CSRs are shown together. Signed-off-by: WANG Xuerui <git@xen0n.name> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> |
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WANG Xuerui
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f6a79b6036 |
LoongArch: Print GPRs with ABI names when showing registers
Show PC (CSR.ERA) in place of $zero, and also show the syscall restart flag (conveniently stuffed in regs[0]) if non-zero. Signed-off-by: WANG Xuerui <git@xen0n.name> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> |
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WANG Xuerui
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aa552254cf |
LoongArch: Define regular names for BCE/WATCH/HVC/GSPR exceptions
Define them according to the ISA manual, in order to enable matching the sub-exceptions for humanization purposes later. Signed-off-by: WANG Xuerui <git@xen0n.name> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> |
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WANG Xuerui
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9e36fa4299 |
LoongArch: Clean up the architectural interrupt definitions
While interrupts are assigned ECodes `64 + interrupt number`, all existing use sites of interrupt numbers want the 64 subtracted. Re-arrange the definitions so that the actual interrupt number is used everywhere, and make EXCCODE_INT_END inclusive as it is more intuitive that way. While at it, according to the asm/loongarch.h definitions, the total number of architectural interrupts should be 14, but various other places indicate otherwise (13 or 15). Those places have been adjusted to 14 as well for consistency. Signed-off-by: WANG Xuerui <git@xen0n.name> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> |
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Tom Rix
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6b496a94c5 |
i3c: ast2600: set variable ast2600_i3c_ops storage-class-specifier to static
smatch reports drivers/i3c/master/ast2600-i3c-master.c:121:34: warning: symbol 'ast2600_i3c_ops' was not declared. Should it be static? This variable is only used in its defining file, so it should be static. Signed-off-by: Tom Rix <trix@redhat.com> Reviewed-by: Jeremy Kerr <jk@codeconstruct.com.au> Link: https://lore.kernel.org/r/20230429134601.2688558-1-trix@redhat.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> |
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Linus Torvalds
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58390c8ce1 |
IOMMU Updates for Linux 6.4
Including:
- Convert to platform remove callback returning void
- Extend changing default domain to normal group
- Intel VT-d updates:
- Remove VT-d virtual command interface and IOASID
- Allow the VT-d driver to support non-PRI IOPF
- Remove PASID supervisor request support
- Various small and misc cleanups
- ARM SMMU updates:
- Device-tree binding updates:
* Allow Qualcomm GPU SMMUs to accept relevant clock properties
* Document Qualcomm 8550 SoC as implementing an MMU-500
* Favour new "qcom,smmu-500" binding for Adreno SMMUs
- Fix S2CR quirk detection on non-architectural Qualcomm SMMU
implementations
- Acknowledge SMMUv3 PRI queue overflow when consuming events
- Document (in a comment) why ATS is disabled for bypass streams
- AMD IOMMU updates:
- 5-level page-table support
- NUMA awareness for memory allocations
- Unisoc driver: Support for reattaching an existing domain
- Rockchip driver: Add missing set_platform_dma_ops callback
- Mediatek driver: Adjust the dma-ranges
- Various other small fixes and cleanups
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Merge tag 'iommu-updates-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu updates from Joerg Roedel:
- Convert to platform remove callback returning void
- Extend changing default domain to normal group
- Intel VT-d updates:
- Remove VT-d virtual command interface and IOASID
- Allow the VT-d driver to support non-PRI IOPF
- Remove PASID supervisor request support
- Various small and misc cleanups
- ARM SMMU updates:
- Device-tree binding updates:
* Allow Qualcomm GPU SMMUs to accept relevant clock properties
* Document Qualcomm 8550 SoC as implementing an MMU-500
* Favour new "qcom,smmu-500" binding for Adreno SMMUs
- Fix S2CR quirk detection on non-architectural Qualcomm SMMU
implementations
- Acknowledge SMMUv3 PRI queue overflow when consuming events
- Document (in a comment) why ATS is disabled for bypass streams
- AMD IOMMU updates:
- 5-level page-table support
- NUMA awareness for memory allocations
- Unisoc driver: Support for reattaching an existing domain
- Rockchip driver: Add missing set_platform_dma_ops callback
- Mediatek driver: Adjust the dma-ranges
- Various other small fixes and cleanups
* tag 'iommu-updates-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (82 commits)
iommu: Remove iommu_group_get_by_id()
iommu: Make iommu_release_device() static
iommu/vt-d: Remove BUG_ON in dmar_insert_dev_scope()
iommu/vt-d: Remove a useless BUG_ON(dev->is_virtfn)
iommu/vt-d: Remove BUG_ON in map/unmap()
iommu/vt-d: Remove BUG_ON when domain->pgd is NULL
iommu/vt-d: Remove BUG_ON in handling iotlb cache invalidation
iommu/vt-d: Remove BUG_ON on checking valid pfn range
iommu/vt-d: Make size of operands same in bitwise operations
iommu/vt-d: Remove PASID supervisor request support
iommu/vt-d: Use non-privileged mode for all PASIDs
iommu/vt-d: Remove extern from function prototypes
iommu/vt-d: Do not use GFP_ATOMIC when not needed
iommu/vt-d: Remove unnecessary checks in iopf disabling path
iommu/vt-d: Move PRI handling to IOPF feature path
iommu/vt-d: Move pfsid and ats_qdep calculation to device probe path
iommu/vt-d: Move iopf code from SVA to IOPF enabling path
iommu/vt-d: Allow SVA with device-specific IOPF
dmaengine: idxd: Add enable/disable device IOPF feature
arm64: dts: mt8186: Add dma-ranges for the parent "soc" node
...
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Linus Torvalds
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7acc137211 |
cxl for v6.4
- Refactor the DOE infrastructure (Data Object Exchange PCI-config-cycle
mailbox) to be a facility of the PCI core rather than the CXL core.
This is foundational for upcoming support for PCI device-attestation and
PCIe / CXL link encryption.
- Add support for retrieving and injecting poison for CXL memory
expanders. This enabling uses trace-events to convey CXL media error
records to user tooling. It includes translation of device-local
addresses (DPA) to system physical addresses (SPA) and their
corresponding CXL region.
- Fixes for decoder enumeration that missed v6.3-final
- Miscellaneous fixups
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Merge tag 'cxl-for-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull compute express link updates from Dan Williams:
"DOE support is promoted from drivers/cxl/ to drivers/pci/ with Bjorn's
blessing, and the CXL core continues to mature its media management
capabilities with support for listing and injecting media errors. Some
late fixes that missed v6.3-final are also included:
- Refactor the DOE infrastructure (Data Object Exchange
PCI-config-cycle mailbox) to be a facility of the PCI core rather
than the CXL core.
This is foundational for upcoming support for PCI
device-attestation and PCIe / CXL link encryption.
- Add support for retrieving and injecting poison for CXL memory
expanders.
This enabling uses trace-events to convey CXL media error records
to user tooling. It includes translation of device-local addresses
(DPA) to system physical addresses (SPA) and their corresponding
CXL region.
- Fixes for decoder enumeration that missed v6.3-final
- Miscellaneous fixups"
* tag 'cxl-for-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (38 commits)
cxl/test: Add mock test for set_timestamp
cxl/mbox: Update CMD_RC_TABLE
tools/testing/cxl: Require CONFIG_DEBUG_FS
tools/testing/cxl: Add a sysfs attr to test poison inject limits
tools/testing/cxl: Use injected poison for get poison list
tools/testing/cxl: Mock the Clear Poison mailbox command
tools/testing/cxl: Mock the Inject Poison mailbox command
cxl/mem: Add debugfs attributes for poison inject and clear
cxl/memdev: Trace inject and clear poison as cxl_poison events
cxl/memdev: Warn of poison inject or clear to a mapped region
cxl/memdev: Add support for the Clear Poison mailbox command
cxl/memdev: Add support for the Inject Poison mailbox command
tools/testing/cxl: Mock support for Get Poison List
cxl/trace: Add an HPA to cxl_poison trace events
cxl/region: Provide region info to the cxl_poison trace event
cxl/memdev: Add trigger_poison_list sysfs attribute
cxl/trace: Add TRACE support for CXL media-error records
cxl/mbox: Add GET_POISON_LIST mailbox command
cxl/mbox: Initialize the poison state
cxl/mbox: Restrict poison cmds to debugfs cxl_raw_allow_all
...
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Linus Torvalds
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10de638d8e |
s390 updates for the 6.4 merge window
- Add support for stackleak feature. Also allow specifying architecture-specific stackleak poison function to enable faster implementation. On s390, the mvc-based implementation helps decrease typical overhead from a factor of 3 to just 25% - Convert all assembler files to use SYM* style macros, deprecating the ENTRY() macro and other annotations. Select ARCH_USE_SYM_ANNOTATIONS - Improve KASLR to also randomize module and special amode31 code base load addresses - Rework decompressor memory tracking to support memory holes and improve error handling - Add support for protected virtualization AP binding - Add support for set_direct_map() calls - Implement set_memory_rox() and noexec module_alloc() - Remove obsolete overriding of mem*() functions for KASAN - Rework kexec/kdump to avoid using nodat_stack to call purgatory - Convert the rest of the s390 code to use flexible-array member instead of a zero-length array - Clean up uaccess inline asm - Enable ARCH_HAS_MEMBARRIER_SYNC_CORE - Convert to using CONFIG_FUNCTION_ALIGNMENT and enable DEBUG_FORCE_FUNCTION_ALIGN_64B - Resolve last_break in userspace fault reports - Simplify one-level sysctl registration - Clean up branch prediction handling - Rework CPU counter facility to retrieve available counter sets just once - Other various small fixes and improvements all over the code -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEE3QHqV+H2a8xAv27vjYWKoQLXFBgFAmRM8pwACgkQjYWKoQLX FBjV1AgAlvAhu1XkwOdwqdT4GqE8pcN4XXzydog1MYihrSO2PdgWAxpEW7o2QURN W+3xa6RIqt7nX2YBiwTanMZ12TYaFY7noGl3eUpD/NhueprweVirVl7VZUEuRoW/ j0mbx77xsVzLfuDFxkpVwE6/j+tTO78kLyjUHwcN9rFVUaL7/orJneDJf+V8fZG0 sHLOv0aljF7Jr2IIkw82lCmW/vdk7k0dACWMXK2kj1H3dIK34B9X4AdKDDf/WKXk /OSElBeZ93tSGEfNDRIda6iR52xocROaRnQAaDtargKFl9VO0/dN9ADxO+SLNHjN pFE/9VD6xT/xo4IuZZh/Z3TcYfiLvA== =Geqx -----END PGP SIGNATURE----- Merge tag 's390-6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 updates from Vasily Gorbik: - Add support for stackleak feature. Also allow specifying architecture-specific stackleak poison function to enable faster implementation. On s390, the mvc-based implementation helps decrease typical overhead from a factor of 3 to just 25% - Convert all assembler files to use SYM* style macros, deprecating the ENTRY() macro and other annotations. Select ARCH_USE_SYM_ANNOTATIONS - Improve KASLR to also randomize module and special amode31 code base load addresses - Rework decompressor memory tracking to support memory holes and improve error handling - Add support for protected virtualization AP binding - Add support for set_direct_map() calls - Implement set_memory_rox() and noexec module_alloc() - Remove obsolete overriding of mem*() functions for KASAN - Rework kexec/kdump to avoid using nodat_stack to call purgatory - Convert the rest of the s390 code to use flexible-array member instead of a zero-length array - Clean up uaccess inline asm - Enable ARCH_HAS_MEMBARRIER_SYNC_CORE - Convert to using CONFIG_FUNCTION_ALIGNMENT and enable DEBUG_FORCE_FUNCTION_ALIGN_64B - Resolve last_break in userspace fault reports - Simplify one-level sysctl registration - Clean up branch prediction handling - Rework CPU counter facility to retrieve available counter sets just once - Other various small fixes and improvements all over the code * tag 's390-6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (118 commits) s390/stackleak: provide fast __stackleak_poison() implementation stackleak: allow to specify arch specific stackleak poison function s390: select ARCH_USE_SYM_ANNOTATIONS s390/mm: use VM_FLUSH_RESET_PERMS in module_alloc() s390: wire up memfd_secret system call s390/mm: enable ARCH_HAS_SET_DIRECT_MAP s390/mm: use BIT macro to generate SET_MEMORY bit masks s390/relocate_kernel: adjust indentation s390/relocate_kernel: use SYM* macros instead of ENTRY(), etc. s390/entry: use SYM* macros instead of ENTRY(), etc. s390/purgatory: use SYM* macros instead of ENTRY(), etc. s390/kprobes: use SYM* macros instead of ENTRY(), etc. s390/reipl: use SYM* macros instead of ENTRY(), etc. s390/head64: use SYM* macros instead of ENTRY(), etc. s390/earlypgm: use SYM* macros instead of ENTRY(), etc. s390/mcount: use SYM* macros instead of ENTRY(), etc. s390/crc32le: use SYM* macros instead of ENTRY(), etc. s390/crc32be: use SYM* macros instead of ENTRY(), etc. s390/crypto,chacha: use SYM* macros instead of ENTRY(), etc. s390/amode31: use SYM* macros instead of ENTRY(), etc. ... |
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Linus Torvalds
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d55571c008 |
Kbuild updates for v6.4
- Refactor scripts/kallsyms to make it faster and easier to maintain
- Clean up menuconfig
- Provide Clang with hard-coded target triple instead of CROSS_COMPILE
- Use -z pack-relative-relocs flags instead of --use-android-relr-tags
for arm64 CONFIG_RELR
- Add srcdeb-pkg target to build only a Debian source package
- Add KDEB_SOURCE_COMPRESS option to specify the compression for a
Debian source package
- Misc cleanups and fixes
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Merge tag 'kbuild-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Refactor scripts/kallsyms to make it faster and easier to maintain
- Clean up menuconfig
- Provide Clang with hard-coded target triple instead of CROSS_COMPILE
- Use -z pack-relative-relocs flags instead of --use-android-relr-tags
for arm64 CONFIG_RELR
- Add srcdeb-pkg target to build only a Debian source package
- Add KDEB_SOURCE_COMPRESS option to specify the compression for a
Debian source package
- Misc cleanups and fixes
* tag 'kbuild-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: deb-pkg: specify targets in debian/rules as .PHONY
sparc: unify sparc32/sparc64 archhelp
kbuild: rpm-pkg: remove kernel-drm PROVIDES
kbuild: deb-pkg: add KDEB_SOURCE_COMPRESS to specify source compression
kbuild: add srcdeb-pkg target
Makefile: use -z pack-relative-relocs
kbuild: clang: do not use CROSS_COMPILE for target triple
kconfig: menuconfig: reorder functions to remove forward declarations
kconfig: menuconfig: remove unused M_EVENT macro
kconfig: menuconfig: remove OLD_NCURSES macro
kbuild: builddeb: Eliminate debian/arch use
scripts/kallsyms: update the usage in the comment block
scripts/kallsyms: decrease expand_symbol() / cleanup_symbol_name() calls
scripts/kallsyms: change the output order
scripts/kallsyms: move compiler-generated symbol patterns to mksysmap
scripts/kallsyms: exclude symbols generated by itself dynamically
scripts/mksysmap: use sed with in-line comments
scripts/mksysmap: remove comments described in nm(1)
scripts/kallsyms: remove redundant code for omitting U and N
kallsyms: expand symbol name into comment for debugging
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Linus Torvalds
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310897659c |
Rust changes for v6.4
More additions to the Rust core. Importantly, this adds the pin-init
API, which will be used by other abstractions, such as the
synchronization ones added here too:
- pin-init API: a solution for the safe pinned initialization problem.
This allows to reduce the need for 'unsafe' code in the kernel when
dealing with data structures that require a stable address. Commit
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Christophe JAILLET
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db2993a423 |
ceph: reorder fields in 'struct ceph_snapid_map'
Group some variables based on their sizes to reduce holes. On x86_64, this shrinks the size of 'struct ceph_snapid_map' from 72 to 64 bytes. When such a structure is allocated, because of the way memory allocation works, when 72 bytes were requested, 96 bytes were allocated. So, on x86_64, this change saves 32 bytes per allocation and has the structure fit in a single cacheline. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Ilya Dryomov <idryomov@gmail.com> |
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Xiubo Li
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a5ffd7b6e9 |
ceph: pass ino# instead of old_dentry if it's disconnected
When exporting the kceph to NFS it may pass a DCACHE_DISCONNECTED dentry for the link operation. Then it will parse this dentry as a snapdir, and the mds will fail the link request as -EROFS. MDS allow clients to pass a ino# instead of a path. Link: https://tracker.ceph.com/issues/59515 Signed-off-by: Xiubo Li <xiubli@redhat.com> Reviewed-by: Ilya Dryomov <idryomov@gmail.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com> |
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Xiubo Li
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aaf67de788 |
ceph: fix potential use-after-free bug when trimming caps
When trimming the caps and just after the 'session->s_cap_lock' is released in ceph_iterate_session_caps() the cap maybe removed by another thread, and when using the stale cap memory in the callbacks it will trigger use-after-free crash. We need to check the existence of the cap just after the 'ci->i_ceph_lock' being acquired. And do nothing if it's already removed. Cc: stable@vger.kernel.org Link: https://tracker.ceph.com/issues/43272 Signed-off-by: Xiubo Li <xiubli@redhat.com> Reviewed-by: Luís Henriques <lhenriques@suse.de> Signed-off-by: Ilya Dryomov <idryomov@gmail.com> |
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Xiubo Li
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7d41870d65 |
ceph: implement writeback livelock avoidance using page tagging
While the mapped IOs continue if we try to flush a file's buffer
we can see that the fsync() won't complete until the IOs finish.
This is analogous to Jan Kara's commit (
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Xiubo Li
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7a6c3a035a |
ceph: do not print the whole xattr value if it's too long
If the xattr's value size is long enough the kernel will warn and then will fail the xfstests test case. Just print part of the value string if it's too long. At the same time fix the function name issue in the debug logs. Link: https://tracker.ceph.com/issues/58404 Signed-off-by: Xiubo Li <xiubli@redhat.com> Reviewed-by: Ilya Dryomov <idryomov@gmail.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com> |
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Linus Torvalds
|
825a0714d2 |
EFI updates for v6.4:
- relocate the LoongArch kernel if the preferred address is already occupied; - implement BTI annotations for arm64 EFI stub and zboot images; - clean up arm64 zboot Kbuild rules for injecting the kernel code size. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQQQm/3uucuRGn1Dmh0wbglWLn0tXAUCZEwUOwAKCRAwbglWLn0t XMNzAQChdPim0N+l2G4XLa1g8WCGany/+6/B9GHPJVcmQ25zLQD/UaNvAofkHwjR Y3P3ZEY1SPEA+UJBL/BTI0wO9/XgpAA= =hGWP -----END PGP SIGNATURE----- Merge tag 'efi-next-for-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi Pull EFI updates from Ard Biesheuvel: - relocate the LoongArch kernel if the preferred address is already occupied - implement BTI annotations for arm64 EFI stub and zboot images - clean up arm64 zboot Kbuild rules for injecting the kernel code size * tag 'efi-next-for-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi: efi/zboot: arm64: Grab code size from ELF symbol in payload efi/zboot: arm64: Inject kernel code size symbol into the zboot payload efi/zboot: Set forward edge CFI compat header flag if supported efi/zboot: Add BSS padding before compression arm64: efi: Enable BTI codegen and add PE/COFF annotation efi/pe: Import new BTI/IBT header flags from the spec efi/loongarch: Reintroduce efi_relocate_kernel() to relocate kernel |
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Linus Torvalds
|
17d4ded2fc |
power supply and reset changes for the v6.4 series
- power-supply core support for automatic handling of constant battery data supplied by firmware - generic-adc-battery: major cleanup - axp288_charger: fix ACPI issues on x86 Android tablets - rk817: cleanup and fix handling for low state of charge -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE72YNB0Y/i3JqeVQT2O7X88g7+poFAmRNSbAACgkQ2O7X88g7 +ppr9Q/9H57WjRnL322cdx8t2We2CYShm/ErnLBU4/9nZPsb+VZQaf3q4aAwTM5J qBcer489U8SepNykTxV4tY0W1mI5hHnH5LEX1kmcZYcpDsdmHZ15Ve90oCZ+Q5zO EjNgjfywl4STGLXKmstPWSI2uh1Vvib0wBJGlsYblYM+qPf1+hNE1qwn+snbTdp8 mPy8gTe82XeBeoSSBe72TWPTV24hLGF6FTMSYCkHnpUMdiz6o1JXQDdhGO4HRkE0 sTHS8swxlCU505tJijRZJZgiXDu5d6bP/KzrlTOB614elnMRXaIY5T6XPZ3LTtfU d4bMXuEukv9XXHQCU+2HRL7A7vcy0MVFUKBCDct9Kp16Eg4UNKn5/Ow/Y+FVzOHW 6/lLkJmPEKYzEgHRPyJQ63gIR60UyIqniCMEvhZ1BO9woBmyeQsqEdeeMiIGlkNj ogszb/bGYdSzrTXE4iCa8B89sftfI/cgqI2jcelW2CCKAaulc7vC6/78TYgwG9QF qJM0QCSKmY55ngfTs5Y6RWrM6l2p33s0hgkWF+ox0ufMXIdGNR6cd74YN8s/JRA+ FQ8Q6KhJLZyTPeo+nOail9Tw05lyCyEQbVlKXmb6s53aYwryUDpUKpaOUpK8IW3k v9x3PFEMEIAuObARL9ePYLzR1jk3ZGi5HCle1GuD7kCE6uXIzG0= =hWo9 -----END PGP SIGNATURE----- Merge tag 'for-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply Pull power supply and reset updates from Sebastian Reichel: - power-supply core support for automatic handling of constant battery data supplied by firmware - generic-adc-battery: major cleanup - axp288_charger: fix ACPI issues on x86 Android tablets - rk817: cleanup and fix handling for low state of charge * tag 'for-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (26 commits) power: supply: rk817: Fix low SOC bugs power: supply: rk817: Drop unneeded debugging code power: supply: axp288_charger: Use alt usb-id extcon on some x86 android tablets power: supply: generic-adc-battery: style fixes power: supply: generic-adc-battery: improve error message power: supply: generic-adc-battery: update copyright info power: supply: generic-adc-battery: add DT support power: supply: generic-adc-battery: add temperature support power: supply: generic-adc-battery: simplify read_channel logic power: supply: generic-adc-battery: use simple-battery API power: supply: generic-adc-battery: drop memory alloc error message power: supply: generic-adc-battery: drop charge now support power: supply: generic-adc-battery: drop jitter delay support power: supply: generic-adc-battery: fix unit scaling power: supply: generic-adc-battery: convert to managed resources power: supply: core: auto-exposure of simple-battery data dt-bindings: power: supply: adc-battery: add binding power: supply: bq256xx: Support to disable charger power: supply: charger-manager: Use of_property_read_bool() for boolean properties power: reset: qcom-pon: drop of_match_ptr for ID table ... |
||
|
Linus Torvalds
|
e81507acdc |
Nothing looks out of the ordinary in this batch of clk driver updates. There
are a couple patches to the core clk framework, but they're all basically
cleanups or debugging aids. The driver updates and new additions are dominated
in the diffstat by Qualcomm and MediaTek drivers. Qualcomm gained a handful of
new drivers for various SoCs, and MediaTek gained a bunch of drivers for
MT8188. The MediaTek drivers are being modernized as well, so there are
updates all over that vendor's clk drivers. There's also a couple other new clk
drivers in here, for example the Starfive JH7110 SoC support is added.
Outside of the two major SoC vendors though, we have the usual collection of
non-critical fixes and cleanups to various clk drivers. It's good to see that
we're getting more cleanups and modernization patches. Maybe one day we'll be
able to properly split clk providers from clk consumers.
Core:
- Print an informational message before disabling unused clks
New Drivers:
- BCM63268 timer clock and reset controller
- Frequency Hopping (FHCTL) on MediaTek MT6795, MT8173, MT8192 and
MT8195 SoCs
- Mediatek MT8188 SoC clk drivers
- Clock driver for Sunplus SP7021 SoC
- Clk driver support for Loongson-2 SoCs
- Clock driver for Skyworks Si521xx I2C PCIe clock generators
- Initial Starfive JH7110 clk/reset support
- Global clock controller drivers for Qualcomm SM7150, IPQ9574, MSM8917 and IPQ5332 SoCs
- GPU clock controller drivers for SM6115, SM6125, SM6375 and SA8775P SoCs
Updates:
- Shrink size of clk_fractional_divider a little
- Convert various clk drivers to devm_of_clk_add_hw_provider()
- Convert platform clk drivers to remove_new()
- Converted most Mediatek clock drivers to struct platform_driver
- MediaTek clock drivers can be built as modules
- Reimplement Loongson-1 clk driver with DT support
- Migrate socfpga clk driver to of_clk_add_hw_provider()
- Support for i3c clks on Aspeed ast2600 SoCs
- Add clock generic devm_clk_hw_register_gate_parent_data
- Add audiomix block control for i.MX8MP
- Add support for determine_rate to i.MX composite-8m
- Let the LCDIF Pixel clock of i.MX8MM and i.MX8MN set parent rate
- Provide clock name in error message for clk-gpr-mux on get parent failure
- Drop duplicate imx_clk_mux_flags macro
- Register the i.MX8MP Media Disp2 Pix clock as bus clock
- Add Media LDB root clock to i.MX8MP
- Make i.MX8MP nand_usdhc_bus clock as non-critical
- Fix the rate table for i.MX fracn-gppll
- Disable HW control for the fracn-gppll in order to be controlled by
register write
- Add support for interger PLL in fracn-gppll
- Add mcore_booted module parameter to i.MX93 provider
- Add NIC, A55 and ARM PLL clocks to i.MX93
- Fix i.MX8ULP XBAR_DIVBUS and AD_SLOW clock parents
- Use "divider closest" clock type for PLL4_PFD dividers on i.MX8ULP to
get more accurate clock rates
- Mark the MU0_Bi and TPM5 clocks on i.MX8ULP as critical
- Update some of the i.MX critical clocks flags to allow glitchless
on-the-fly rate change.
- Add I2C5 clock on Renesas R-Car V3H
- Exynos850: Add CMU_G3D clock controller for the Mali GPU
- Extract Exynos5433 (ARM64) clock controller power management code to
common driver parts
- Exynos850: make PMU_ALIVE_PCLK clock critical
- Add Audio, thermal, camera (CSI-2), Image Signal Processor/Channel
Selector (ISPCS), and video capture (VIN) clocks on Renesas R-Car V4H
- Add video capture (VIN) clocks on Renesas R-Car V3H
- Add Cortex-A53 System CPU (Z2) clocks on Renesas R-Car V3M and V3H
- Support for Stromer Plus PLL on Qualcomm IPQ5332
- Add a missing reset to Qualcomm QCM2290
- Migrate Qualcomm IPQ4019 to clk_parent_data
- Make USB GDSCs enter retention state when disabled on Qualcomm SM6375,
MSM8996 and MSM8998 SoCs
- Set floor rounding clk_ops for Qualcomm QCM2290 SDCC2 clk
- Add two EMAC GDSCs on Qualcomm SC8280XP
- Use shared rcg clk ops in Qualcomm SM6115 GCC
- Park Qualcomm SM8350 PCIe PIPE clks when disabled
- Add GDSCs to Qualcomm SC7280 LPASS audio clock controller
- Add missing XO clocks to Qualcomm MSM8226 and MSM8974
- Convert some Qualcomm clk DT bindings to YAML
- Reparenting fix for the clock supplying camera modules on Rockchip rk3399
- Mark more critical (bus-)clocks on Rockchip rk3588
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"Nothing looks out of the ordinary in this batch of clk driver updates.
There are a couple patches to the core clk framework, but they're all
basically cleanups or debugging aids. The driver updates and new
additions are dominated in the diffstat by Qualcomm and MediaTek
drivers. Qualcomm gained a handful of new drivers for various SoCs,
and MediaTek gained a bunch of drivers for MT8188. The MediaTek
drivers are being modernized as well, so there are updates all over
that vendor's clk drivers. There's also a couple other new clk drivers
in here, for example the Starfive JH7110 SoC support is added.
Outside of the two major SoC vendors though, we have the usual
collection of non-critical fixes and cleanups to various clk drivers.
It's good to see that we're getting more cleanups and modernization
patches. Maybe one day we'll be able to properly split clk providers
from clk consumers.
Core:
- Print an informational message before disabling unused clks
New Drivers:
- BCM63268 timer clock and reset controller
- Frequency Hopping (FHCTL) on MediaTek MT6795, MT8173, MT8192 and
MT8195 SoCs
- Mediatek MT8188 SoC clk drivers
- Clock driver for Sunplus SP7021 SoC
- Clk driver support for Loongson-2 SoCs
- Clock driver for Skyworks Si521xx I2C PCIe clock generators
- Initial Starfive JH7110 clk/reset support
- Global clock controller drivers for Qualcomm SM7150, IPQ9574,
MSM8917 and IPQ5332 SoCs
- GPU clock controller drivers for SM6115, SM6125, SM6375 and SA8775P
SoCs
Updates:
- Shrink size of clk_fractional_divider a little
- Convert various clk drivers to devm_of_clk_add_hw_provider()
- Convert platform clk drivers to remove_new()
- Converted most Mediatek clock drivers to struct platform_driver
- MediaTek clock drivers can be built as modules
- Reimplement Loongson-1 clk driver with DT support
- Migrate socfpga clk driver to of_clk_add_hw_provider()
- Support for i3c clks on Aspeed ast2600 SoCs
- Add clock generic devm_clk_hw_register_gate_parent_data
- Add audiomix block control for i.MX8MP
- Add support for determine_rate to i.MX composite-8m
- Let the LCDIF Pixel clock of i.MX8MM and i.MX8MN set parent rate
- Provide clock name in error message for clk-gpr-mux on get parent
failure
- Drop duplicate imx_clk_mux_flags macro
- Register the i.MX8MP Media Disp2 Pix clock as bus clock
- Add Media LDB root clock to i.MX8MP
- Make i.MX8MP nand_usdhc_bus clock as non-critical
- Fix the rate table for i.MX fracn-gppll
- Disable HW control for the fracn-gppll in order to be controlled by
register write
- Add support for interger PLL in fracn-gppll
- Add mcore_booted module parameter to i.MX93 provider
- Add NIC, A55 and ARM PLL clocks to i.MX93
- Fix i.MX8ULP XBAR_DIVBUS and AD_SLOW clock parents
- Use "divider closest" clock type for PLL4_PFD dividers on i.MX8ULP
to get more accurate clock rates
- Mark the MU0_Bi and TPM5 clocks on i.MX8ULP as critical
- Update some of the i.MX critical clocks flags to allow glitchless
on-the-fly rate change.
- Add I2C5 clock on Renesas R-Car V3H
- Exynos850: Add CMU_G3D clock controller for the Mali GPU
- Extract Exynos5433 (ARM64) clock controller power management code
to common driver parts
- Exynos850: make PMU_ALIVE_PCLK clock critical
- Add Audio, thermal, camera (CSI-2), Image Signal Processor/Channel
Selector (ISPCS), and video capture (VIN) clocks on Renesas R-Car
V4H
- Add video capture (VIN) clocks on Renesas R-Car V3H
- Add Cortex-A53 System CPU (Z2) clocks on Renesas R-Car V3M and V3H
- Support for Stromer Plus PLL on Qualcomm IPQ5332
- Add a missing reset to Qualcomm QCM2290
- Migrate Qualcomm IPQ4019 to clk_parent_data
- Make USB GDSCs enter retention state when disabled on Qualcomm
SM6375, MSM8996 and MSM8998 SoCs
- Set floor rounding clk_ops for Qualcomm QCM2290 SDCC2 clk
- Add two EMAC GDSCs on Qualcomm SC8280XP
- Use shared rcg clk ops in Qualcomm SM6115 GCC
- Park Qualcomm SM8350 PCIe PIPE clks when disabled
- Add GDSCs to Qualcomm SC7280 LPASS audio clock controller
- Add missing XO clocks to Qualcomm MSM8226 and MSM8974
- Convert some Qualcomm clk DT bindings to YAML
- Reparenting fix for the clock supplying camera modules on Rockchip
rk3399
- Mark more critical (bus-)clocks on Rockchip rk3588"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (290 commits)
clk: qcom: gcc-sc8280xp: Add EMAC GDSCs
clk: starfive: Delete the redundant dev_set_drvdata() in JH7110 clock drivers
clk: rockchip: rk3588: make gate linked clocks critical
clk: qcom: dispcc-qcm2290: Remove inexistent DSI1PHY clk
clk: qcom: add the GPUCC driver for sa8775p
dt-bindings: clock: qcom: describe the GPUCC clock for SA8775P
clk: qcom: gcc-sm8350: fix PCIe PIPE clocks handling
clk: qcom: lpassaudiocc-sc7280: Add required gdsc power domain clks in lpass_cc_sc7280_desc
clk: qcom: lpasscc-sc7280: Skip qdsp6ss clock registration
dt-bindings: clock: qcom,sc7280-lpasscc: Add qcom,adsp-pil-mode property
clk: starfive: Avoid casting iomem pointers
clk: microchip: fix potential UAF in auxdev release callback
clk: qcom: rpm: Use managed `of_clk_add_hw_provider()`
clk: mediatek: fhctl: Mark local variables static
clk: sifive: make SiFive clk drivers depend on ARCH_ symbols
clk: uniphier: Use managed `of_clk_add_hw_provider()`
clk: si5351: Use managed `of_clk_add_hw_provider()`
clk: si570: Use managed `of_clk_add_hw_provider()`
clk: si514: Use managed `of_clk_add_hw_provider()`
clk: lmk04832: Use managed `of_clk_add_hw_provider()`
...
|
||
|
Linus Torvalds
|
af3877265d |
v6.4 merge window RDMA pull request
Usual wide collection of unrelated items in drivers:
- Driver bug fixes and treewide cleanups in hfi1, siw, qib, mlx5, rxe,
usnic, usnic, bnxt_re, ocrdma, iser
* Unnecessary NULL checks
* kmap obsolescence
* pci_enable_pcie_error_reporting() obsolescence
* Unused variables and macros
* trace event related warnings
* casting warnings
- Code cleanups for irdm and erdma
- EFA reporting of 128 byte PCIe TLP support
- mlx5 more agressively uses the out of order HW feature
- Big rework of how state machines and tasks work in rxe
- Fix a syzkaller found crash netdev refcount leak in siw
- bnxt_re revises their HW description header
- Congestion control for bnxt_re
- Use mmu_notifiers more safely in hfi1
- mlx5 gets better support for PCIe relaxed ordering inside VMs
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma updates from Jason Gunthorpe:
"Usual wide collection of unrelated items in drivers:
- Driver bug fixes and treewide cleanups in hfi1, siw, qib, mlx5,
rxe, usnic, usnic, bnxt_re, ocrdma, iser:
- remove unnecessary NULL checks
- kmap obsolescence
- pci_enable_pcie_error_reporting() obsolescence
- unused variables and macros
- trace event related warnings
- casting warnings
- Code cleanups for irdm and erdma
- EFA reporting of 128 byte PCIe TLP support
- mlx5 more agressively uses the out of order HW feature
- Big rework of how state machines and tasks work in rxe
- Fix a syzkaller found crash netdev refcount leak in siw
- bnxt_re revises their HW description header
- Congestion control for bnxt_re
- Use mmu_notifiers more safely in hfi1
- mlx5 gets better support for PCIe relaxed ordering inside VMs"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (81 commits)
RDMA/efa: Add rdma write capability to device caps
RDMA/mlx5: Use correct device num_ports when modify DC
RDMA/irdma: Drop spurious WQ_UNBOUND from alloc_ordered_workqueue() call
RDMA/rxe: Fix spinlock recursion deadlock on requester
RDMA/mlx5: Fix flow counter query via DEVX
RDMA/rxe: Protect QP state with qp->state_lock
RDMA/rxe: Move code to check if drained to subroutine
RDMA/rxe: Remove qp->req.state
RDMA/rxe: Remove qp->comp.state
RDMA/rxe: Remove qp->resp.state
RDMA/mlx5: Allow relaxed ordering read in VFs and VMs
net/mlx5: Update relaxed ordering read HCA capabilities
RDMA/mlx5: Check pcie_relaxed_ordering_enabled() in UMR
RDMA/mlx5: Remove pcie_relaxed_ordering_enabled() check for RO write
RDMA: Add ib_virt_dma_to_page()
RDMA/rxe: Fix the error "trying to register non-static key in rxe_cleanup_task"
RDMA/irdma: Slightly optimize irdma_form_ah_cm_frame()
RDMA/rxe: Fix incorrect TASKLET_STATE_SCHED check in rxe_task.c
IB/hfi1: Place struct mmu_rb_handler on cache line start
IB/hfi1: Fix bugs with non-PAGE_SIZE-end multi-iovec user SDMA requests
...
|
||
Conor Dooley
|
26b0812f4c
|
RISC-V: fixup in-flight collision with ARCH_WANT_OPTIMIZE_VMEMMAP rename
Lukas warned that ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP had been
renamed in the mm tree & that RISC-V would need a fixup as part of the
merge. The warning was missed however, and RISC-V is selecting the
orphaned Kconfig option.
Fixes:
|
||
Randy Dunlap
|
a2a58b5ca1
|
RISC-V: fix sifive and thead section mismatches in errata
When CONFIG_MODULES is set, __init_or_module becomes <empty>, but when
CONFIG_MODULES is not set, __init_or_module becomes __init.
In the latter case, it causes section mismatch warnings:
WARNING: modpost: vmlinux.o: section mismatch in reference: riscv_fill_cpu_mfr_info (section: .text) -> sifive_errata_patch_func (section: .init.text)
WARNING: modpost: vmlinux.o: section mismatch in reference: riscv_fill_cpu_mfr_info (section: .text) -> thead_errata_patch_func (section: .init.text)
Fixes:
|
||
Andrew Jones
|
41cad8284d
|
RISC-V: Align SBI probe implementation with spec
sbi_probe_extension() is specified with "Returns 0 if the given SBI
extension ID (EID) is not available, or 1 if it is available unless
defined as any other non-zero value by the implementation."
Additionally, sbiret.value is a long. Fix the implementation to
ensure any nonzero long value is considered a success, rather
than only positive int values.
Fixes:
|
||
Song Shuai
|
e4ef93edd4
|
riscv: mm: remove redundant parameter of create_fdt_early_page_table
create_fdt_early_page_table() explicitly uses early_pg_dir for
32-bit fdt mapping and the pgdir parameter is redundant here.
So remove it and its caller.
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Signed-off-by: Song Shuai <suagrfillet@gmail.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Fixes:
|
||
Palmer Dabbelt
|
38dab744f7
|
Merge patch series "RISC-V Hibernation Support"
Sia Jee Heng <jeeheng.sia@starfivetech.com> says: This series adds RISC-V Hibernation/suspend to disk support. Low level Arch functions were created to support hibernation. swsusp_arch_suspend() relies code from __cpu_suspend_enter() to write cpu state onto the stack, then calling swsusp_save() to save the memory image. Arch specific hibernation header is implemented and is utilized by the arch_hibernation_header_restore() and arch_hibernation_header_save() functions. The arch specific hibernation header consists of satp, hartid, and the cpu_resume address. The kernel built version is also need to be saved into the hibernation image header to making sure only the same kernel is restore when resume. swsusp_arch_resume() creates a temporary page table that covering only the linear map. It copies the restore code to a 'safe' page, then start to restore the memory image. Once completed, it restores the original kernel's page table. It then calls into __hibernate_cpu_resume() to restore the CPU context. Finally, it follows the normal hibernation path back to the hibernation core. To enable hibernation/suspend to disk into RISCV, the below config need to be enabled: - CONFIG_HIBERNATION - CONFIG_ARCH_HIBERNATION_HEADER - CONFIG_ARCH_HIBERNATION_POSSIBLE At high-level, this series includes the following changes: 1) Change suspend_save_csrs() and suspend_restore_csrs() to public function as these functions are common to suspend/hibernation. (patch 1) 2) Refactor the common code in the __cpu_resume_enter() function and __hibernate_cpu_resume() function. The common code are used by hibernation and suspend. (patch 2) 3) Enhance kernel_page_present() function to support huge page. (patch 3) 4) Add arch/riscv low level functions to support hibernation/suspend to disk. (patch 4) * b4-shazam-merge: RISC-V: Add arch functions to support hibernation/suspend-to-disk RISC-V: mm: Enable huge page support to kernel_page_present() function RISC-V: Factor out common code of __cpu_resume_enter() RISC-V: Change suspend_save_csrs and suspend_restore_csrs to public function Link: https://lore.kernel.org/r/20230330064321.1008373-1-jeeheng.sia@starfivetech.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> |
||
Nathan Chancellor
|
b3d6bdfea2
|
riscv: Adjust dependencies of HAVE_DYNAMIC_FTRACE selection
When building allmodconfig with clang and its integrated assembler and
linking with a version of GNU ld prior to 2.36, the following link error
occurs:
riscv64-linux-gnu-ld: .init.data has both ordered [`__patchable_function_entries' in init/main.o] and unordered [`.init_array.0' in kernel/trace/trace_benchmark.o] sections
riscv64-linux-gnu-ld: final link failed: bad value
This is the same error addressed by commit
|
||
Sia Jee Heng
|
c031721001
|
RISC-V: Add arch functions to support hibernation/suspend-to-disk
Low level Arch functions were created to support hibernation. swsusp_arch_suspend() relies code from __cpu_suspend_enter() to write cpu state onto the stack, then calling swsusp_save() to save the memory image. Arch specific hibernation header is implemented and is utilized by the arch_hibernation_header_restore() and arch_hibernation_header_save() functions. The arch specific hibernation header consists of satp, hartid, and the cpu_resume address. The kernel built version is also need to be saved into the hibernation image header to making sure only the same kernel is restore when resume. swsusp_arch_resume() creates a temporary page table that covering only the linear map. It copies the restore code to a 'safe' page, then start to restore the memory image. Once completed, it restores the original kernel's page table. It then calls into __hibernate_cpu_resume() to restore the CPU context. Finally, it follows the normal hibernation path back to the hibernation core. To enable hibernation/suspend to disk into RISCV, the below config need to be enabled: - CONFIG_HIBERNATION - CONFIG_ARCH_HIBERNATION_HEADER - CONFIG_ARCH_HIBERNATION_POSSIBLE Signed-off-by: Sia Jee Heng <jeeheng.sia@starfivetech.com> Reviewed-by: Ley Foon Tan <leyfoon.tan@starfivetech.com> Reviewed-by: Mason Huo <mason.huo@starfivetech.com> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Link: https://lore.kernel.org/r/20230330064321.1008373-5-jeeheng.sia@starfivetech.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> |
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Sia Jee Heng
|
a15c90b67a
|
RISC-V: mm: Enable huge page support to kernel_page_present() function
Currently kernel_page_present() function doesn't support huge page
detection causes the function to mistakenly return false to the
hibernation core.
Add huge page detection to the function to solve the problem.
Fixes:
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Sia Jee Heng
|
fcb89863d1
|
RISC-V: Factor out common code of __cpu_resume_enter()
The cpu_resume() function is very similar for the suspend to disk and suspend to ram cases. Factor out the common code into suspend_restore_csrs macro and suspend_restore_regs macro. Signed-off-by: Sia Jee Heng <jeeheng.sia@starfivetech.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20230330064321.1008373-3-jeeheng.sia@starfivetech.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> |
||
|
Sia Jee Heng
|
0def12f321
|
RISC-V: Change suspend_save_csrs and suspend_restore_csrs to public function
Currently suspend_save_csrs() and suspend_restore_csrs() functions are statically defined in the suspend.c. Change the function's attribute to public so that the functions can be used by hibernation as well. Signed-off-by: Sia Jee Heng <jeeheng.sia@starfivetech.com> Reviewed-by: Ley Foon Tan <leyfoon.tan@starfivetech.com> Reviewed-by: Mason Huo <mason.huo@starfivetech.com> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Link: https://lore.kernel.org/r/20230330064321.1008373-2-jeeheng.sia@starfivetech.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> |
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|
Linus Torvalds
|
1ae78a1451 |
five ksmbd server fixes, and new lock_rename_child VFS helper routine
-----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEE6fsu8pdIjtWE/DpLiiy9cAdyT1EFAmRJ1QwACgkQiiy9cAdy T1FoMwv/dQv3nlq7CFW/p82xRGQg1rqE/bLw8iAz2kl2QMNI32mnNZ5vsnAOx5CT CXUsdfQTgVsdKQ0yAV0WIAopxOxf4ASmKn8Ej1wJBEREFuwqQUgFE16DALKDPhcW 77cuPqFEGD1CfbOvM+IjSN1OlDmsu2a3qSuD1OfTxC14s3+mPZitGpSm06PMsaT6 C17RG6dC+PJmzXOT79OGfPmP1e6103abhv7PUdy7tZdiHi3I2ESXvCUGAoeFzjG9 i4vxM+WdfStun0sXkZysS+iiyajfbFF8cOkaXp4QG+aplDD5Z2gjV6w+n3phegiX N1QvTZ3C8dQEhvmy40DGyLgj2A3/dFqh5bEfA3Mtni2NqEHKG4ng2dQsmkMiNg0M iuCHwLUz2kgvc+zl4+HJpKDVF0HG3RHAlzRq0oNEw+lQApzfg/Q+p5ZcZUBjcoSj n4fxxNO4bggHmCBHZNDL7VNG81m0YEg8xnDpBPvwtLMO1yEj8RFwW+RTfIwqyOYE VK1dcRc1 =DweL -----END PGP SIGNATURE----- Merge tag '6.4-rc-ksmbd-server-fixes' of git://git.samba.org/ksmbd Pull ksmbd server updates from Steve French: - SMB3.1.1 negotiate context fixes and cleanup - new lock_rename_child VFS helper - ksmbd fix to avoid unlink race and to use the new VFS helper to avoid rename race * tag '6.4-rc-ksmbd-server-fixes' of git://git.samba.org/ksmbd: ksmbd: fix racy issue from using ->d_parent and ->d_name ksmbd: remove unused compression negotiate ctx packing ksmbd: avoid duplicate negotiate ctx offset increments ksmbd: set NegotiateContextCount once instead of every inc fs: introduce lock_rename_child() helper ksmbd: remove internal.h include |
||
|
Linus Torvalds
|
4e1c80ae5c |
NFSD 6.4 Release Notes
The big ticket item for this release is support for RPC-with-TLS [RFC 9289] has been added to the Linux NFS server. The goal is to provide a simple-to-deploy, low-overhead in-transit confidentiality and peer authentication mechanism. It can supplement NFS Kerberos and it can protect the use of legacy non-cryptographic user authentication flavors such as AUTH_SYS. The TLS Record protocol is handled entirely by kTLS, meaning it can use either software encryption or offload encryption to smart NICs. Work continues on improving NFSD's open file cache. Among the many clean-ups in that area is a patch to convert the rhashtable to use the list-hashing version of that data structure. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEKLLlsBKG3yQ88j7+M2qzM29mf5cFAmRK/JMACgkQM2qzM29m f5cF5A/+JZFRSPlfSYt0YHzUQQSDdYn5n/IG9TwJQd62xheu083WuKRaCOYYoOhg 06nZd6p7nuF1E0n2ZWOKSE6YkBSE6z4M6KrQlm6lCe/nmxYCR87IYfJCXuL+Yf0e /LdL4OTvDHzY5ec1DreERldPIUJ8GFzwChH8/z4XwbNDR7qJkF/gf8YxpFr+8K+j Cfyl8woZiEze/Nvxy1YtAqa7HMEpitt0aWJN55rHwTh9c3b0nmDzziYFcVqXgybJ /qUHfHBak66ll8RqhcQ3BMuyfszwASERbPsaZ2a5F/RaxLL5ZWfFyhgQwm+PZWT+ J5DdSBwLEQYtKQGD41A1aorP6v/u2QelfWrl4S7/qjRpREp8Ba2IU4fYLjGb1499 Imk68BA7NwFp87tdMi/7en1VVgina4U/S3X71aUYWe+C0g48BfTrVwq4SVbQSAo4 1638vbZnrJbsJMr9OaaysKWfv4KZB020Ji1KVwuqmgy5F8kdfJCCQ2UR/fHuJ3DY R0Zrd1Ryjwr83viP+Xj0ERiW405gPdCT0RJqoA7rznRPCqT5M42tf5z65uO7iZeE C1udgDaoQOtioKlem6FcDXLkryf986slGA7V91lat/Jt8A5jLKQfjVe3Q+kaaqXP ka1DQnYelzMzILQQs39cqW5pShrH8e3tfRZ7JhdBgrpxVXz9ZZM= =lA2+ -----END PGP SIGNATURE----- Merge tag 'nfsd-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux Pull nfsd updates from Chuck Lever: "The big ticket item for this release is that support for RPC-with-TLS [RFC 9289] has been added to the Linux NFS server. The goal is to provide a simple-to-deploy, low-overhead in-transit confidentiality and peer authentication mechanism. It can supplement NFS Kerberos and it can protect the use of legacy non-cryptographic user authentication flavors such as AUTH_SYS. The TLS Record protocol is handled entirely by kTLS, meaning it can use either software encryption or offload encryption to smart NICs. Aside from that, work continues on improving NFSD's open file cache. Among the many clean-ups in that area is a patch to convert the rhashtable to use the list-hashing version of that data structure" * tag 'nfsd-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (31 commits) NFSD: Handle new xprtsec= export option SUNRPC: Support TLS handshake in the server-side TCP socket code NFSD: Clean up xattr memory allocation flags NFSD: Fix problem of COMMIT and NFS4ERR_DELAY in infinite loop SUNRPC: Clear rq_xid when receiving a new RPC Call SUNRPC: Recognize control messages in server-side TCP socket code SUNRPC: Be even lazier about releasing pages SUNRPC: Convert svc_xprt_release() to the release_pages() API SUNRPC: Relocate svc_free_res_pages() nfsd: simplify the delayed disposal list code SUNRPC: Ignore return value of ->xpo_sendto SUNRPC: Ensure server-side sockets have a sock->file NFSD: Watch for rq_pages bounds checking errors in nfsd_splice_actor() sunrpc: simplify two-level sysctl registration for svcrdma_parm_table SUNRPC: return proper error from get_expiry() lockd: add some client-side tracepoints nfs: move nfs_fhandle_hash to common include file lockd: server should unlock lock if client rejects the grant lockd: fix races in client GRANTED_MSG wait logic lockd: move struct nlm_wait to lockd.h ... |
||
|
Linus Torvalds
|
0127f25b5d |
NFS Client Updates for Linux 6.4
New Features: * Convert the readdir path to use folios * Convert the NFS fscache code to use netfs Bugfixes and Cleanups: * Always send a RECLAIM_COMPLETE after establishing a lease * Simplify sysctl registrations and other cleanups * Handle out-of-order write replies on NFS v3 * Have sunrpc call_bind_status use standard hard/soft task semantics * Other minor cleanups -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEnZ5MQTpR7cLU7KEp18tUv7ClQOsFAmRMI04ACgkQ18tUv7Cl QOuCNQ//SkQm8aOM4DkYFeDIObye6xMzgtWrB25grYNG4a/DcYqb5kNcbmI5l1tE Tus8KMZAWSpwa0m8ALctzp+pZQWQkY/svsqqHrKIGUHBI8F0OinVCqc2MzNN75WX m/1wELW6ek9RBL5BoJtAPt+Qu8/jP6KD64Zot7snBeUrzreaZDcz0HM+EcQhi7X7 qd5XS0/cA2eLEBBQcQdFpRhHvgW12BMYM/zp3/ER5H52L2iAlZunGWw+Nqs8ueOR D7K2+CF1sV1k6hYbLWNoaF2J6PZr5dRpc6gSq4fLP4WUKjqQwmQp8cm9iLpf6jGa a+Y7t8aj7vup8jVCVGWYWZA2G2gi6jWmxxWudkJwfAa1E45t1B4/C0udwlxR20OO XI2Bhe5YwTURgSOvOS9QTZJpQN4qfpEL0NoAmAT5fAHBQ2CXDrMlSIxPS7U6LO9q YqwIHcAHvYVnbD45IUh2Zjbp65mRb1VkU6WzOyK1/sNHEyYpubIWXB/yLaA3oGge V3xUgvlTzLVzzyQfwiRfzAD1P5/USaXE/B36c4itfCr5rJnAfsiBP3gk0o9yq18J 3Yb6olrmc9CzeA7PN88uEus4VZHbaE9OktRFIjJ22jlLQEY4xougdE5asY1XX8F+ OKLLLeeCrsbvrANB9XcLVsLqdMYvsd0VaCX9HtN3UP+7Lod5T10= =gpBC -----END PGP SIGNATURE----- Merge tag 'nfs-for-6.4-1' of git://git.linux-nfs.org/projects/anna/linux-nfs Pull NFS client updates from Anna Schumaker: "New Features: - Convert the readdir path to use folios - Convert the NFS fscache code to use netfs Bugfixes and Cleanups: - Always send a RECLAIM_COMPLETE after establishing a lease - Simplify sysctl registrations and other cleanups - Handle out-of-order write replies on NFS v3 - Have sunrpc call_bind_status use standard hard/soft task semantics - Other minor cleanups" * tag 'nfs-for-6.4-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: NFSv4.2: Rework scratch handling for READ_PLUS NFS: Cleanup unused rpc_clnt variable NFS: set varaiable nfs_netfs_debug_id storage-class-specifier to static SUNRPC: remove the maximum number of retries in call_bind_status NFS: Convert readdir page array functions to use a folio NFS: Convert the readdir array-of-pages into an array-of-folios NFSv3: handle out-of-order write replies. NFS: Remove fscache specific trace points and NFS_INO_FSCACHE bit NFS: Remove all NFSIOS_FSCACHE counters due to conversion to netfs API NFS: Convert buffered read paths to use netfs when fscache is enabled NFS: Configure support for netfs when NFS fscache is configured NFS: Rename readpage_async_filler to nfs_read_add_folio sunrpc: simplify one-level sysctl registration for debug_table sunrpc: move sunrpc_table and proc routines above sunrpc: simplify one-level sysctl registration for xs_tunables_table sunrpc: simplify one-level sysctl registration for xr_tunables_table nfs: simplify two-level sysctl registration for nfs_cb_sysctls nfs: simplify two-level sysctl registration for nfs4_cb_sysctls lockd: simplify two-level sysctl registration for nlm_sysctls NFSv4.1: Always send a RECLAIM_COMPLETE after establishing lease |
||
|
Linus Torvalds
|
1e098dec61 |
driver ntfs3 for linux 6.4
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||
|
Linus Torvalds
|
56c455b38d |
xfs: New code for 6.4
o Added detailed design documentation for the upcoming online repair feature
o major update to online scrub to complete the reverse mapping cross-referencing
infrastructure enabling us to fully validate allocated metadata against owner
records. This is the last piece of scrub infrastructure needed before we can
start merging online repair functionality.
o Fixes for the ascii-ci hashing issues
o deprecation of the ascii-ci functionality
o on-disk format verification bug fixes
o various random bug fixes for syzbot and other bug reports
Signed-off-by: Dave Chinner <david@fromorbit.com>
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Merge tag 'xfs-6.4-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs updates from Dave Chinner:
"This consists mainly of online scrub functionality and the design
documentation for the upcoming online repair functionality built on
top of the scrub code:
- Added detailed design documentation for the upcoming online repair
feature
- major update to online scrub to complete the reverse mapping
cross-referencing infrastructure enabling us to fully validate
allocated metadata against owner records. This is the last piece of
scrub infrastructure needed before we can start merging online
repair functionality.
- Fixes for the ascii-ci hashing issues
- deprecation of the ascii-ci functionality
- on-disk format verification bug fixes
- various random bug fixes for syzbot and other bug reports"
* tag 'xfs-6.4-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (107 commits)
xfs: fix livelock in delayed allocation at ENOSPC
xfs: Extend table marker on deprecated mount options table
xfs: fix duplicate includes
xfs: fix BUG_ON in xfs_getbmap()
xfs: verify buffer contents when we skip log replay
xfs: _{attr,data}_map_shared should take ILOCK_EXCL until iread_extents is completely done
xfs: remove WARN when dquot cache insertion fails
xfs: don't consider future format versions valid
xfs: deprecate the ascii-ci feature
xfs: test the ascii case-insensitive hash
xfs: stabilize the dirent name transformation function used for ascii-ci dir hash computation
xfs: cross-reference rmap records with refcount btrees
xfs: cross-reference rmap records with inode btrees
xfs: cross-reference rmap records with free space btrees
xfs: cross-reference rmap records with ag btrees
xfs: introduce bitmap type for AG blocks
xfs: convert xbitmap to interval tree
xfs: drop the _safe behavior from the xbitmap foreach macro
xfs: don't load local xattr values during scrub
xfs: remove the for_each_xbitmap_ helpers
...
|
||
|
Linus Torvalds
|
bedf149527 |
New code for 6.4:
* Remove an unused symbol. * Add tracepoints for the directio code. Signed-off-by: Darrick J. Wong <djwong@kernel.org> -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQQ2qTKExjcn+O1o2YRKO3ySh0YRpgUCZEKzuQAKCRBKO3ySh0YR pothAQD9sBm7//+vYXxQXPlmX09Jvxixnlwyth+PvUI2Al3mrgEA0h1ZSRhxBbxx QiIFXCQYckb9GTIcRd67lCp1j/Ie/g0= =vGbm -----END PGP SIGNATURE----- Merge tag 'iomap-6.4-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux Pull iomap updates from Darrick Wong: "The only changes for this cycle are the addition of tracepoints to the iomap directio code so that Ritesh (who is working on porting ext2 to iomap) can observe the io flows more easily. Summary: - Remove an unused symbol - Add tracepoints for the directio code" * tag 'iomap-6.4-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: iomap: Add DIO tracepoints iomap: Remove IOMAP_DIO_NOSYNC unused dio flag fs.h: Add TRACE_IOCB_STRINGS for use in trace points |
||
|
Linus Torvalds
|
b28e6315a0 |
dma-mapping updates for Linux 6.4
- fix a PageHighMem check in dma-coherent initialization (Doug Berger)
- clean up the coherency defaul initialiation (Jiaxun Yang)
- add cacheline to user/kernel dma-debug space dump messages
(Desnes Nunes, Geert Uytterhoeve)
- swiotlb statistics improvements (Michael Kelley)
- misc cleanups (Petr Tesarik)
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Merge tag 'dma-mapping-6.4-2023-04-28' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping updates from Christoph Hellwig:
- fix a PageHighMem check in dma-coherent initialization (Doug Berger)
- clean up the coherency defaul initialiation (Jiaxun Yang)
- add cacheline to user/kernel dma-debug space dump messages (Desnes
Nunes, Geert Uytterhoeve)
- swiotlb statistics improvements (Michael Kelley)
- misc cleanups (Petr Tesarik)
* tag 'dma-mapping-6.4-2023-04-28' of git://git.infradead.org/users/hch/dma-mapping:
swiotlb: Omit total_used and used_hiwater if !CONFIG_DEBUG_FS
swiotlb: track and report io_tlb_used high water marks in debugfs
swiotlb: fix debugfs reporting of reserved memory pools
swiotlb: relocate PageHighMem test away from rmem_swiotlb_setup
of: address: always use dma_default_coherent for default coherency
dma-mapping: provide CONFIG_ARCH_DMA_DEFAULT_COHERENT
dma-mapping: provide a fallback dma_default_coherent
dma-debug: Use %pa to format phys_addr_t
dma-debug: add cacheline to user/kernel space dump messages
dma-debug: small dma_debug_entry's comment and variable name updates
dma-direct: cleanup parameters to dma_direct_optimal_gfp_mask
|
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Linus Torvalds
|
7d8d20191c |
Timekeeping and clocksource/event driver updates the second batch:
- A trivial documentation fix in the timekeeping core
- A really boring set of small fixes, enhancements and cleanups in the
drivers code. No new clocksource/clockevent drivers for a change.
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Merge tag 'timers-core-2023-04-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull more timer updates from Thomas Gleixner:
"Timekeeping and clocksource/event driver updates the second batch:
- A trivial documentation fix in the timekeeping core
- A really boring set of small fixes, enhancements and cleanups in
the drivers code. No new clocksource/clockevent drivers for a
change"
* tag 'timers-core-2023-04-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
timekeeping: Fix references to nonexistent ktime_get_fast_ns()
dt-bindings: timer: rockchip: Add rk3588 compatible
dt-bindings: timer: rockchip: Drop superfluous rk3288 compatible
clocksource/drivers/ti: Use of_property_read_bool() for boolean properties
clocksource/drivers/timer-ti-dm: Fix finding alwon timer
clocksource/drivers/davinci: Fix memory leak in davinci_timer_register when init fails
clocksource/drivers/stm32-lp: Drop of_match_ptr for ID table
clocksource/drivers/timer-ti-dm: Convert to platform remove callback returning void
clocksource/drivers/timer-tegra186: Convert to platform remove callback returning void
clocksource/drivers/timer-ti-dm: Improve error message in .remove
clocksource/drivers/timer-stm32-lp: Mark driver as non-removable
clocksource/drivers/sh_mtu2: Mark driver as non-removable
clocksource/drivers/timer-ti-dm: Use of_address_to_resource()
clocksource/drivers/timer-imx-gpt: Remove non-DT function
clocksource/drivers/timer-mediatek: Split out CPUXGPT timers
clocksource/drivers/exynos_mct: Explicitly return 0 for shared timer
|
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Linus Torvalds
|
8c1318e438 |
lsm/stable-6.4 PR 20230428
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||
|
Linus Torvalds
|
febf9ee3d2 |
integrity-v6.4
-----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQQdXVVFGN5XqKr1Hj7LwZzRsCrn5QUCZEb46hQcem9oYXJAbGlu dXguaWJtLmNvbQAKCRDLwZzRsCrn5U+lAP9vq7PplZeQv0cGygvp+7vH3UmcANsM 7MyyydPC7KfhNgEA7A4WKAPIdvLW7IuKxiVfkgMDxQpFCGkLRHscgbf7xgw= =v0fw -----END PGP SIGNATURE----- Merge tag 'integrity-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity Pull integrity update from Mimi Zohar: "Just one one bug fix. Other integrity changes are being upstreamed via the tpm and lsm trees" * tag 'integrity-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity: IMA: allow/fix UML builds |
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|
Linus Torvalds
|
86e98ed15b |
cgroup changes for v6.4-rc1
* cpuset changes including the fix for an incorrect interaction with CPU hotplug and an optimization. * Other doc and cosmetic changes. -----BEGIN PGP SIGNATURE----- iIQEABYIACwWIQTfIjM1kS57o3GsC/uxYfJx3gVYGQUCZErfng4cdGpAa2VybmVs Lm9yZwAKCRCxYfJx3gVYGVVtAQCDycK4VSgc4nsFPG1vh1Oy1A723ciEUwAbKmV/ F1n7xwEA68FiDvE29LpMJJuYP9HnX0A5zRMyNnb52kN9jmgcEQI= =ALol -----END PGP SIGNATURE----- Merge tag 'cgroup-for-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup Pull cgroup updates from Tejun Heo: - cpuset changes including the fix for an incorrect interaction with CPU hotplug and an optimization - Other doc and cosmetic changes * tag 'cgroup-for-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: docs: cgroup-v1/cpusets: update libcgroup project link cgroup/cpuset: Minor updates to test_cpuset_prs.sh cgroup/cpuset: Include offline CPUs when tasks' cpumasks in top_cpuset are updated cgroup/cpuset: Skip task update if hotplug doesn't affect current cpuset cpuset: Clean up cpuset_node_allowed cgroup: bpf: use cgroup_lock()/cgroup_unlock() wrappers |
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|
Linus Torvalds
|
cd546fa325 |
workqueue changes for v6.4-rc1
Mostly changes from Petr to improve warning and error reporting. Workqueue now reports more of the relevant failures with better context which should help debugging. -----BEGIN PGP SIGNATURE----- iIQEABYIACwWIQTfIjM1kS57o3GsC/uxYfJx3gVYGQUCZErbOg4cdGpAa2VybmVs Lm9yZwAKCRCxYfJx3gVYGfipAP9BXrUBI99uZL7XjSEe6rLWa0STODyWh67ikR+0 nUO22QEA+ttt5ecLZyopYB18Le06VBBW7J5cs0Cg83bCBTGb4wE= =gHbc -----END PGP SIGNATURE----- Merge tag 'wq-for-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq Pull workqueue updates from Tejun Heo: "Mostly changes from Petr to improve warning and error reporting. Workqueue now reports more of the relevant failures with better context which should help debugging" * tag 'wq-for-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: workqueue: Introduce show_freezable_workqueues workqueue: Print backtraces from CPUs with hung CPU bound workqueues workqueue: Warn when a rescuer could not be created workqueue: Interrupted create_worker() is not a repeated event workqueue: Warn when a new worker could not be created workqueue: Fix hung time report of worker pools workqueue: Simplify a pr_warn() call in wq_select_unbound_cpu() MAINTAINERS: Add workqueue_internal.h to the WORKQUEUE entry |
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Mark Rutland
|
ec570320b0 |
locking/atomic: Correct (cmp)xchg() instrumentation
All xchg() and cmpxchg() ops are atomic RMWs, but currently we instrument these with instrument_atomic_write() rather than instrument_atomic_read_write(), missing the read aspect. Similarly, all try_cmpxchg() ops are non-atomic RMWs on *oldp, but we instrument these accesses with instrument_atomic_write() rather than instrument_read_write(), missing the read aspect and erroneously marking these as atomic. Fix the instrumentation for both points. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lkml.kernel.org/r/20230413160644.490976-1-mark.rutland@arm.com Cc: Linus Torvalds <torvalds@linux-foundation.org> |
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Uros Bizjak
|
5cd4c26841 |
locking/x86: Define arch_try_cmpxchg_local()
Define target specific arch_try_cmpxchg_local(). This definition overrides the generic arch_try_cmpxchg_local() fallback definition and enables target-specific implementation of try_cmpxchg_local(). Signed-off-by: Uros Bizjak <ubizjak@gmail.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lore.kernel.org/r/20230405141710.3551-5-ubizjak@gmail.com Cc: Linus Torvalds <torvalds@linux-foundation.org> |
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|
Uros Bizjak
|
d994f2c8e2 |
locking/arch: Wire up local_try_cmpxchg()
Implement target specific support for local_try_cmpxchg() and local_cmpxchg() using typed C wrappers that call their _local counterpart and provide additional checking of their input arguments. Signed-off-by: Uros Bizjak <ubizjak@gmail.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lore.kernel.org/r/20230405141710.3551-4-ubizjak@gmail.com Cc: Linus Torvalds <torvalds@linux-foundation.org> |
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|
Uros Bizjak
|
8fc4fddaf9 |
locking/generic: Wire up local{,64}_try_cmpxchg()
Implement generic support for local{,64}_try_cmpxchg().
Redirect to the atomic_ family of functions when the target
does not provide its own local.h definitions.
For 64-bit targets, implement local64_try_cmpxchg and
local64_cmpxchg using typed C wrappers that call local_
family of functions and provide additional checking
of their input arguments.
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20230405141710.3551-3-ubizjak@gmail.com
Cc: Linus Torvalds <torvalds@linux-foundation.org>
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|
Uros Bizjak
|
e6ce9d7411 |
locking/atomic: Add generic try_cmpxchg{,64}_local() support
Add generic support for try_cmpxchg{,64}_local() and their falbacks.
These provides the generic try_cmpxchg_local family of functions
from the arch_ prefixed version, also adding explicit instrumentation.
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20230405141710.3551-2-ubizjak@gmail.com
Cc: Linus Torvalds <torvalds@linux-foundation.org>
|
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Sebastian Andrzej Siewior
|
286deb7ec0 |
locking/rwbase: Mitigate indefinite writer starvation
On PREEMPT_RT, rw_semaphore and rwlock_t locks are unfair to writers. Readers can indefinitely acquire the lock unless the writer fully acquired the lock, which might never happen if there is always a reader in the critical section owning the lock. Mel Gorman reported that since LTP-20220121 the dio_truncate test case went from having 1 reader to having 16 readers and that number of readers is sufficient to prevent the down_write ever succeeding while readers exist. Eventually the test is killed after 30 minutes as a failure. Mel proposed a timeout to limit how long a writer can be blocked until the reader is forced into the slowpath. Thomas argued that there is no added value by providing this timeout. From a PREEMPT_RT point of view, there are no critical rw_semaphore or rwlock_t locks left where the reader must be preferred. Mitigate indefinite writer starvation by forcing the READER into the slowpath once the WRITER attempts to acquire the lock. Reported-by: Mel Gorman <mgorman@techsingularity.net> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Mel Gorman <mgorman@techsingularity.net> Link: https://lore.kernel.org/877cwbq4cq.ffs@tglx Link: https://lore.kernel.org/r/20230321161140.HMcQEhHb@linutronix.de Cc: Linus Torvalds <torvalds@linux-foundation.org> |
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Andrzej Hajda
|
068550631f |
locking/arch: Rename all internal __xchg() names to __arch_xchg()
Decrease the probability of this internal facility to be used by driver code. Signed-off-by: Andrzej Hajda <andrzej.hajda@intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> [m68k] Acked-by: Palmer Dabbelt <palmer@rivosinc.com> [riscv] Link: https://lore.kernel.org/r/20230118154450.73842-1-andrzej.hajda@intel.com Cc: Linus Torvalds <torvalds@linux-foundation.org> |