136a1b434b
7638 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
98a05fe8cd |
x86:
* Do not register IRQ bypass consumer if posted interrupts not supported
* Fix missed device interrupt due to non-atomic update of IRR
* Use GFP_KERNEL_ACCOUNT for pid_table in ipiv
* Make VMREAD error path play nice with noinstr
* x86: Acquire SRCU read lock when handling fastpath MSR writes
* Support linking rseq tests statically against glibc 2.35+
* Fix reference count for stats file descriptors
* Detect userspace setting invalid CR0
Non-KVM:
* Remove coccinelle script that has caused multiple confusion
("debugfs, coccinelle: check for obsolete DEFINE_SIMPLE_ATTRIBUTE() usage",
acked by Greg)
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"x86:
- Do not register IRQ bypass consumer if posted interrupts not
supported
- Fix missed device interrupt due to non-atomic update of IRR
- Use GFP_KERNEL_ACCOUNT for pid_table in ipiv
- Make VMREAD error path play nice with noinstr
- x86: Acquire SRCU read lock when handling fastpath MSR writes
- Support linking rseq tests statically against glibc 2.35+
- Fix reference count for stats file descriptors
- Detect userspace setting invalid CR0
Non-KVM:
- Remove coccinelle script that has caused multiple confusion
("debugfs, coccinelle: check for obsolete DEFINE_SIMPLE_ATTRIBUTE()
usage", acked by Greg)"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (21 commits)
KVM: selftests: Expand x86's sregs test to cover illegal CR0 values
KVM: VMX: Don't fudge CR0 and CR4 for restricted L2 guest
KVM: x86: Disallow KVM_SET_SREGS{2} if incoming CR0 is invalid
Revert "debugfs, coccinelle: check for obsolete DEFINE_SIMPLE_ATTRIBUTE() usage"
KVM: selftests: Verify stats fd is usable after VM fd has been closed
KVM: selftests: Verify stats fd can be dup()'d and read
KVM: selftests: Verify userspace can create "redundant" binary stats files
KVM: selftests: Explicitly free vcpus array in binary stats test
KVM: selftests: Clean up stats fd in common stats_test() helper
KVM: selftests: Use pread() to read binary stats header
KVM: Grab a reference to KVM for VM and vCPU stats file descriptors
selftests/rseq: Play nice with binaries statically linked against glibc 2.35+
Revert "KVM: SVM: Skip WRMSR fastpath on VM-Exit if next RIP isn't valid"
KVM: x86: Acquire SRCU read lock when handling fastpath MSR writes
KVM: VMX: Use vmread_error() to report VM-Fail in "goto" path
KVM: VMX: Make VMREAD error path play nice with noinstr
KVM: x86/irq: Conditionally register IRQ bypass consumer again
KVM: X86: Use GFP_KERNEL_ACCOUNT for pid_table in ipiv
KVM: x86: check the kvm_cpu_get_interrupt result before using it
KVM: x86: VMX: set irr_pending in kvm_apic_update_irr
...
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||
Sean Christopherson
|
880218361c |
Revert "debugfs, coccinelle: check for obsolete DEFINE_SIMPLE_ATTRIBUTE() usage"
Remove coccinelle's recommendation to use DEFINE_DEBUGFS_ATTRIBUTE()
instead of DEFINE_SIMPLE_ATTRIBUTE(). Regardless of whether or not the
"significant overhead" incurred by debugfs_create_file() is actually
meaningful, warnings from the script have led to a rash of low-quality
patches that have sowed confusion and consumed maintainer time for little
to no benefit. There have been no less than four attempts to "fix" KVM,
and a quick search on lore shows that KVM is not alone.
This reverts commit
|
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Drew Fustini
|
15571273db |
scripts/spelling.txt: remove 'thead' as a typo
T-Head is a vendor of processor core IP, and they have recently introduced the RISC-V TH1520 SoC. Remove 'thead' as a typo of 'thread' to avoid checkpatch incorrectly warning that 'thead' is typo in patches that add support for T-Head designs in the kernel. Link: https://lkml.kernel.org/r/20230723010329.674186-1-dfustini@baylibre.com Link: https://www.t-head.cn/ Signed-off-by: Drew Fustini <dfustini@baylibre.com> Acked-by: Guo Ren <guoren@kernel.org> Cc: Conor Dooley <conor@kernel.org> Cc: Jisheng Zhang <jszhang@kernel.org> Cc: Colin Ian King <colin.i.king@gmail.com> Cc: Diederik de Haas <didi.debian@cknow.org> Cc: Ian Rogers <irogers@google.com> Cc: Luca Ceresoli <luca.ceresoli@bootlin.com> # versaclock5 Cc: Randy Dunlap <rdunlap@infradead.org> Cc: SeongJae Park <sj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Linus Torvalds
|
12a5336ca3 |
Kbuild fixes for v6.5
- Fix stale help text in gconfig
- Support *.S files in compile_commands.json
- Flatten KBUILD_CFLAGS
- Fix external module builds with Rust so that temporary files are
created in the modules directories instead of the kernel tree
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Merge tag 'kbuild-fixes-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Fix stale help text in gconfig
- Support *.S files in compile_commands.json
- Flatten KBUILD_CFLAGS
- Fix external module builds with Rust so that temporary files are
created in the modules directories instead of the kernel tree
* tag 'kbuild-fixes-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: rust: avoid creating temporary files
kbuild: flatten KBUILD_CFLAGS
gen_compile_commands: add assembly files to compilation database
kconfig: gconfig: correct program name in help text
kconfig: gconfig: drop the Show Debug Info help text
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Miguel Ojeda
|
df01b7cfce |
kbuild: rust: avoid creating temporary files
`rustc` outputs by default the temporary files (i.e. the ones saved
by `-Csave-temps`, such as `*.rcgu*` files) in the current working
directory when `-o` and `--out-dir` are not given (even if
`--emit=x=path` is given, i.e. it does not use those for temporaries).
Since out-of-tree modules are compiled from the `linux` tree,
`rustc` then tries to create them there, which may not be accessible.
Thus pass `--out-dir` explicitly, even if it is just for the temporary
files.
Similarly, do so for Rust host programs too.
Reported-by: Raphael Nestler <raphael.nestler@gmail.com>
Closes: https://github.com/Rust-for-Linux/linux/issues/1015
Reported-by: Andrea Righi <andrea.righi@canonical.com>
Tested-by: Raphael Nestler <raphael.nestler@gmail.com> # non-hostprogs
Tested-by: Andrea Righi <andrea.righi@canonical.com> # non-hostprogs
Fixes:
|
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Benjamin Gray
|
1c67921444 |
gen_compile_commands: add assembly files to compilation database
Like C source files, tooling can find it useful to have the assembly source file compilation recorded. The .S extension appears to used across all architectures. Signed-off-by: Benjamin Gray <bgray@linux.ibm.com> Reviewed-by: Fangrui Song <maskray@google.com> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
||
Yonghong Song
|
8cc32a9bbf |
kallsyms: strip LTO-only suffixes from promoted global functions
Commit |
||
Randy Dunlap
|
30ebf2ce70 |
kconfig: gconfig: correct program name in help text
Change "gkc" to "gconfig" in 3 places since it is called "gconfig" and not "gkc". Add a period at the end of one sentence. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
||
|
Randy Dunlap
|
390ef8c0a3 |
kconfig: gconfig: drop the Show Debug Info help text
The Show Debug Info option was removed eons ago. Now finish the job
by removing the help text for it also.
Fixes:
|
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|
Linus Torvalds
|
7210de3a32 |
A half-dozen late arriving docs patches. They are mostly fixes, but we
also have a kernel-doc tweak for enums and the long-overdue removal of the outdated and redundant patch-submission comments at the top of the MAINTAINERS file. -----BEGIN PGP SIGNATURE----- iQFDBAABCAAtFiEEIw+MvkEiF49krdp9F0NaE2wMflgFAmSnR4EPHGNvcmJldEBs d24ubmV0AAoJEBdDWhNsDH5YfWIH/0b+gYD0PftjpG1MfPTlvsxm3yiO2IkZR1rX ZEvzMIk3cqDsZuhv8g4Xh3qrn7QHW9JE8XbOdkMDw+Hd1kkmYeweVhsLhcar44ai KPBXCbnd6bU6HcjT/o/AEkYVJzZDmKbt8ALi5C81xu8bWn2iybKgnJv1a3M1PFAx Dr5ne14HTEau5ewYeYPhkC2n1XRIE1BV0k4PdZlQE/67uwhplh9J2P/DiXh3I9DT 0oxh8cZHRVheCkXNYseMWEC5V+xFfh3jP/fvIefuNGCb7AGDSE4s+Wx8I9CbduIN SwFtsqXRm2cQ8aj950T0E4JQZLVY0DJKrIJo0qh3LrfUYTinQx0= =tuod -----END PGP SIGNATURE----- Merge tag 'docs-6.5-2' of git://git.lwn.net/linux Pull mode documentation updates from Jonathan Corbet: "A half-dozen late arriving docs patches. They are mostly fixes, but we also have a kernel-doc tweak for enums and the long-overdue removal of the outdated and redundant patch-submission comments at the top of the MAINTAINERS file" * tag 'docs-6.5-2' of git://git.lwn.net/linux: scripts: kernel-doc: support private / public marking for enums Documentation: KVM: SEV: add a missing backtick Documentation: ACPI: fix typo in ssdt-overlays.rst Fix documentation of panic_on_warn docs: remove the tips on how to submit patches from MAINTAINERS docs: fix typo in zh_TW and zh_CN translation |
||
|
Linus Torvalds
|
2a95b03d4c |
parisc architecture fixes and updates for kernel v6.5-rc1 (pt 2):
* Fix all compiler warnings in arch/parisc and drivers/parisc when
compiled with W=1
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Merge tag 'parisc-for-6.5-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull more parisc architecture updates from Helge Deller:
- Fix all compiler warnings in arch/parisc and drivers/parisc when
compiled with W=1
* tag 'parisc-for-6.5-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: syscalls: Avoid compiler warnings with W=1
parisc: math-emu: Avoid compiler warnings with W=1
parisc: Raise minimal GCC version to 12.0.0
parisc: unwind: Avoid missing prototype warning for handle_interruption()
parisc: smp: Add declaration for start_cpu_itimer()
parisc: pdt: Get prototype for arch_report_meminfo()
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Linus Torvalds
|
04f2933d37 |
Scope-based Resource Management infrastructure
These are the first few patches in the Scope-based Resource Management series that introduce the infrastructure but not any conversions as of yet. Adding the infrastructure now allows multiple people to start using them. Of note is that Sparse will need some work since it doesn't yet understand this attribute and might have decl-after-stmt issues -- but I think that's being worked on. -----BEGIN PGP SIGNATURE----- iQJJBAABCgAzFiEEv3OU3/byMaA0LqWJdkfhpEvA5LoFAmSZehYVHHBldGVyekBp bmZyYWRlYWQub3JnAAoJEHZH4aRLwOS6uC0P/0pduumvCE+osm869VOroHeVqz6B B36oqJlD1uqIA8JWiNW8TbpUUqTvU0FyW1jU1YnUdol5Kb3XH7APQIayGj2HM+Mc kMyHc4/ICxBzRI7STiBtCEbHIwYAfuibCAfuq7QP4GDw4vHKvUC7BUUaUdbQSey0 IyUsvgPqLRL1KW3tb2z7Zfz6Oo/f0A/+viTiqOKNxSctXaD7TOEUpIZ/RhIgWbIV as65sgzLD/87HV9LbtTyOQCxjR5lpDlTaITapMfgwC9bQ8vQwjmaX3WETIlUmufl 8QG3wiPIDynmqjmpEeY+Cyjcu/Gbz/2XENPgHBd6g2yJSFLSyhSGcDBAZ/lFKlnB eIJqwIFUvpMbAskNxHooNz1zHzqHhOYcCSUITRk6PG8AS1HOD/aNij4sWHMzJSWU R3ZUOEf5k6FkER3eAKxEEsJ2HtIurOVfvFXwN1e0iCKvNiQ1QdP74LddcJqsrTY6 ihXsfVbtJarM9dakuWgk3fOj79cx3BQEm82002vvNzhRRUB5Fx7v47lyB5mAcYEl Al9gsLg4mKkVNiRh/tcelchKPp9WOKcXFEKiqom75VNwZH4oa+KSaa4GdDUQZzNs 73/Zj6gPzFBP1iLwqicvg5VJIzacKuH59WRRQr1IudTxYgWE67yz1OVicplD0WaR l0tF9LFAdBHUy8m/ =adZ8 -----END PGP SIGNATURE----- Merge tag 'core_guards_for_6.5_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue Pull scope-based resource management infrastructure from Peter Zijlstra: "These are the first few patches in the Scope-based Resource Management series that introduce the infrastructure but not any conversions as of yet. Adding the infrastructure now allows multiple people to start using them. Of note is that Sparse will need some work since it doesn't yet understand this attribute and might have decl-after-stmt issues" * tag 'core_guards_for_6.5_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue: kbuild: Drop -Wdeclaration-after-statement locking: Introduce __cleanup() based infrastructure apparmor: Free up __cleanup() name dmaengine: ioat: Free up __cleanup() name |
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Jakub Kicinski
|
e27cb89a22 |
scripts: kernel-doc: support private / public marking for enums
Enums benefit from private markings, too. For netlink attribute name enums always end with a pair of __$n_MAX and $n_MAX members. Documenting them feels a bit tedious. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20230621223525.2722703-1-kuba@kernel.org> |
||
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Linus Torvalds
|
44aeec836d |
Char/Misc and other driver subsystem updates for 6.5-rc1
Here is the big set of char/misc and other driver subsystem updates for
6.5-rc1.
Lots of different, tiny, stuff in here, from a range of smaller driver
subsystems, including pulls from some substems directly:
- IIO driver updates and additions
- W1 driver updates and fixes (and a new maintainer!)
- FPGA driver updates and fixes
- Counter driver updates
- Extcon driver updates
- Interconnect driver updates
- Coresight driver updates
- mfd tree tag merge needed for other updates
on top of that, lots of small driver updates as patches, including:
- static const updates for class structures
- nvmem driver updates
- pcmcia driver fix
- lots of other small driver updates and fixes
All of these have been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull Char/Misc updates from Greg KH:
"Here is the big set of char/misc and other driver subsystem updates
for 6.5-rc1.
Lots of different, tiny, stuff in here, from a range of smaller driver
subsystems, including pulls from some substems directly:
- IIO driver updates and additions
- W1 driver updates and fixes (and a new maintainer!)
- FPGA driver updates and fixes
- Counter driver updates
- Extcon driver updates
- Interconnect driver updates
- Coresight driver updates
- mfd tree tag merge needed for other updates on top of that, lots of
small driver updates as patches, including:
- static const updates for class structures
- nvmem driver updates
- pcmcia driver fix
- lots of other small driver updates and fixes
All of these have been in linux-next for a while with no reported
problems"
* tag 'char-misc-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (243 commits)
bsr: fix build problem with bsr_class static cleanup
comedi: make all 'class' structures const
char: xillybus: make xillybus_class a static const structure
xilinx_hwicap: make icap_class a static const structure
virtio_console: make port class a static const structure
ppdev: make ppdev_class a static const structure
char: misc: make misc_class a static const structure
/dev/mem: make mem_class a static const structure
char: lp: make lp_class a static const structure
dsp56k: make dsp56k_class a static const structure
bsr: make bsr_class a static const structure
oradax: make 'cl' a static const structure
hwtracing: hisi_ptt: Fix potential sleep in atomic context
hwtracing: hisi_ptt: Advertise PERF_PMU_CAP_NO_EXCLUDE for PTT PMU
hwtracing: hisi_ptt: Export available filters through sysfs
hwtracing: hisi_ptt: Add support for dynamically updating the filter list
hwtracing: hisi_ptt: Factor out filter allocation and release operation
samples: pfsm: add CC_CAN_LINK dependency
misc: fastrpc: check return value of devm_kasprintf()
coresight: dummy: Update type of mode parameter in dummy_{sink,source}_enable()
...
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Helge Deller
|
28e113f89f |
parisc: Raise minimal GCC version to 12.0.0
Raise the minimum gcc version for parisc64 to 12.0.0 (for __int128 type)
and keep 5.1.0 as minimum for 32-bit parisc target.
Fixes:
|
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Linus Torvalds
|
ad2885979e |
Kbuild updates for v6.5
- Remove the deprecated rule to build *.dtbo from *.dts
- Refactor section mismatch detection in modpost
- Fix bogus ARM section mismatch detections
- Fix error of 'make gtags' with O= option
- Add Clang's target triple to KBUILD_CPPFLAGS to fix a build error with
the latest LLVM version
- Rebuild the built-in initrd when KBUILD_BUILD_TIMESTAMP is changed
- Ignore more compiler-generated symbols for kallsyms
- Fix 'make local*config' to handle the ${CONFIG_FOO} form in Makefiles
- Enable more kernel-doc warnings with W=2
- Refactor <linux/export.h> by generating KSYMTAB data by modpost
- Deprecate <asm/export.h> and <asm-generic/export.h>
- Remove the EXPORT_DATA_SYMBOL macro
- Move the check for static EXPORT_SYMBOL back to modpost, which makes
the build faster
- Re-implement CONFIG_TRIM_UNUSED_KSYMS with one-pass algorithm
- Warn missing MODULE_DESCRIPTION when building modules with W=1
- Make 'make clean' robust against too long argument error
- Exclude more objects from GCOV to fix CFI failures with GCOV
- Allow 'make modules_install' to install modules.builtin and
modules.builtin.modinfo even when CONFIG_MODULES is disabled
- Include modules.builtin and modules.builtin.modinfo in the linux-image
Debian package even when CONFIG_MODULES is disabled
- Revive "Entering directory" logging for the latest Make version
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Merge tag 'kbuild-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Remove the deprecated rule to build *.dtbo from *.dts
- Refactor section mismatch detection in modpost
- Fix bogus ARM section mismatch detections
- Fix error of 'make gtags' with O= option
- Add Clang's target triple to KBUILD_CPPFLAGS to fix a build error
with the latest LLVM version
- Rebuild the built-in initrd when KBUILD_BUILD_TIMESTAMP is changed
- Ignore more compiler-generated symbols for kallsyms
- Fix 'make local*config' to handle the ${CONFIG_FOO} form in Makefiles
- Enable more kernel-doc warnings with W=2
- Refactor <linux/export.h> by generating KSYMTAB data by modpost
- Deprecate <asm/export.h> and <asm-generic/export.h>
- Remove the EXPORT_DATA_SYMBOL macro
- Move the check for static EXPORT_SYMBOL back to modpost, which makes
the build faster
- Re-implement CONFIG_TRIM_UNUSED_KSYMS with one-pass algorithm
- Warn missing MODULE_DESCRIPTION when building modules with W=1
- Make 'make clean' robust against too long argument error
- Exclude more objects from GCOV to fix CFI failures with GCOV
- Allow 'make modules_install' to install modules.builtin and
modules.builtin.modinfo even when CONFIG_MODULES is disabled
- Include modules.builtin and modules.builtin.modinfo in the
linux-image Debian package even when CONFIG_MODULES is disabled
- Revive "Entering directory" logging for the latest Make version
* tag 'kbuild-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (72 commits)
modpost: define more R_ARM_* for old distributions
kbuild: revive "Entering directory" for Make >= 4.4.1
kbuild: set correct abs_srctree and abs_objtree for package builds
scripts/mksysmap: Ignore prefixed KCFI symbols
kbuild: deb-pkg: remove the CONFIG_MODULES check in buildeb
kbuild: builddeb: always make modules_install, to install modules.builtin*
modpost: continue even with unknown relocation type
modpost: factor out Elf_Sym pointer calculation to section_rel()
modpost: factor out inst location calculation to section_rel()
kbuild: Disable GCOV for *.mod.o
kbuild: Fix CFI failures with GCOV
kbuild: make clean rule robust against too long argument error
script: modpost: emit a warning when the description is missing
kbuild: make modules_install copy modules.builtin(.modinfo)
linux/export.h: rename 'sec' argument to 'license'
modpost: show offset from symbol for section mismatch warnings
modpost: merge two similar section mismatch warnings
kbuild: implement CONFIG_TRIM_UNUSED_KSYMS without recursion
modpost: use null string instead of NULL pointer for default namespace
modpost: squash sym_update_namespace() into sym_add_exported()
...
|
||
|
Linus Torvalds
|
b25f62ccb4 |
VFIO updates for v6.5-rc1
- Adjust log levels for common messages. (Oleksandr Natalenko,
Alex Williamson)
- Support for dynamic MSI-X allocation. (Reinette Chatre)
- Enable and report PCIe AtomicOp Completer capabilities.
(Alex Williamson)
- Cleanup Kconfigs for vfio bus drivers. (Alex Williamson)
- Add support for CDX bus based devices. (Nipun Gupta)
- Fix race with concurrent mdev initialization. (Eric Farman)
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Merge tag 'vfio-v6.5-rc1' of https://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- Adjust log levels for common messages (Oleksandr Natalenko, Alex
Williamson)
- Support for dynamic MSI-X allocation (Reinette Chatre)
- Enable and report PCIe AtomicOp Completer capabilities (Alex
Williamson)
- Cleanup Kconfigs for vfio bus drivers (Alex Williamson)
- Add support for CDX bus based devices (Nipun Gupta)
- Fix race with concurrent mdev initialization (Eric Farman)
* tag 'vfio-v6.5-rc1' of https://github.com/awilliam/linux-vfio:
vfio/mdev: Move the compat_class initialization to module init
vfio/cdx: add support for CDX bus
vfio/fsl: Create Kconfig sub-menu
vfio/platform: Cleanup Kconfig
vfio/pci: Cleanup Kconfig
vfio/pci-core: Add capability for AtomicOp completer support
vfio/pci: Also demote hiding standard cap messages
vfio/pci: Clear VFIO_IRQ_INFO_NORESIZE for MSI-X
vfio/pci: Support dynamic MSI-X
vfio/pci: Probe and store ability to support dynamic MSI-X
vfio/pci: Use bitfield for struct vfio_pci_core_device flags
vfio/pci: Update stale comment
vfio/pci: Remove interrupt context counter
vfio/pci: Use xarray for interrupt context storage
vfio/pci: Move to single error path
vfio/pci: Prepare for dynamic interrupt context storage
vfio/pci: Remove negative check on unsigned vector
vfio/pci: Consolidate irq cleanup on MSI/MSI-X disable
vfio/pci: demote hiding ecap messages to debug level
|
||
|
Linus Torvalds
|
d8b0bd57c2 |
powerpc updates for 6.5
- Extend KCSAN support to 32-bit and BookE. Add some KCSAN annotations.
- Make ELFv2 ABI the default for 64-bit big-endian kernel builds, and use
the -mprofile-kernel option (kernel specific ftrace ABI) for big endian
ELFv2 kernels.
- Add initial Dynamic Execution Control Register (DEXCR) support, and allow
the ROP protection instructions to be used on Power 10.
- Various other small features and fixes.
Thanks to: Aditya Gupta, Aneesh Kumar K.V, Benjamin Gray, Brian King,
Christophe Leroy, Colin Ian King, Dmitry Torokhov, Gaurav Batra, Jean Delvare,
Joel Stanley, Marco Elver, Masahiro Yamada, Nageswara R Sastry, Nathan
Chancellor, Naveen N Rao, Nayna Jain, Nicholas Piggin, Paul Gortmaker, Randy
Dunlap, Rob Herring, Rohan McLure, Russell Currey, Sachin Sant, Timothy
Pearson, Tom Rix, Uwe Kleine-König.
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Merge tag 'powerpc-6.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
- Extend KCSAN support to 32-bit and BookE. Add some KCSAN annotations
- Make ELFv2 ABI the default for 64-bit big-endian kernel builds, and
use the -mprofile-kernel option (kernel specific ftrace ABI) for big
endian ELFv2 kernels
- Add initial Dynamic Execution Control Register (DEXCR) support, and
allow the ROP protection instructions to be used on Power 10
- Various other small features and fixes
Thanks to Aditya Gupta, Aneesh Kumar K.V, Benjamin Gray, Brian King,
Christophe Leroy, Colin Ian King, Dmitry Torokhov, Gaurav Batra, Jean
Delvare, Joel Stanley, Marco Elver, Masahiro Yamada, Nageswara R Sastry,
Nathan Chancellor, Naveen N Rao, Nayna Jain, Nicholas Piggin, Paul
Gortmaker, Randy Dunlap, Rob Herring, Rohan McLure, Russell Currey,
Sachin Sant, Timothy Pearson, Tom Rix, and Uwe Kleine-König.
* tag 'powerpc-6.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (76 commits)
powerpc: remove checks for binutils older than 2.25
powerpc: Fail build if using recordmcount with binutils v2.37
powerpc/iommu: TCEs are incorrectly manipulated with DLPAR add/remove of memory
powerpc/iommu: Only build sPAPR access functions on pSeries
powerpc: powernv: Annotate data races in opal events
powerpc: Mark writes registering ipi to host cpu through kvm and polling
powerpc: Annotate accesses to ipi message flags
powerpc: powernv: Fix KCSAN datarace warnings on idle_state contention
powerpc: Mark [h]ssr_valid accesses in check_return_regs_valid
powerpc: qspinlock: Enforce qnode writes prior to publishing to queue
powerpc: qspinlock: Mark accesses to qnode lock checks
powerpc/powernv/pci: Remove last IODA1 defines
powerpc/powernv/pci: Remove MVE code
powerpc/powernv/pci: Remove ioda1 support
powerpc: 52xx: Make immr_id DT match tables static
powerpc: mpc512x: Remove open coded "ranges" parsing
powerpc: fsl_soc: Use of_range_to_resource() for "ranges" parsing
powerpc: fsl: Use of_property_read_reg() to parse "reg"
powerpc: fsl_rio: Use of_range_to_resource() for "ranges" parsing
macintosh: Use of_property_read_reg() to parse "reg"
...
|
||
|
Linus Torvalds
|
112e7e2151 |
LoongArch changes for v6.5
1, Preliminary ClangBuiltLinux enablement; 2, Add support to clone a time namespace; 3, Add vector extensions support; 4, Add SMT (Simultaneous Multi-Threading) support; 5, Support dbar with different hints; 6, Introduce hardware page table walker; 7, Add jump-label implementation; 8, Add rethook and uprobes support; 9, Some bug fixes and other small changes. -----BEGIN PGP SIGNATURE----- iQJKBAABCAA0FiEEzOlt8mkP+tbeiYy5AoYrw/LiJnoFAmSdmI4WHGNoZW5odWFj YWlAa2VybmVsLm9yZwAKCRAChivD8uImeoeDEACd+KFZnQrX6fwpohuxWgQ46YSk bmKRnVCVg6jg/yL99WTHloaubMbyncgNL7YNvCRmuXcTQdjFP1zFb3q3ZqxTkaOT Kg9EO4R5H8U2Wolz3uqcvTBbPxv6bwDor1gBWzVo8RTO4S7gYt5tLS7pvLiYPWzp Jhgko2AHE/Y02Qqg00ARLIzDDLMm9vR5Gdmpj2jhl8wMHMNaqMW5E0r7XaiFoav0 G1PjIAk+0LIj9QHYUm5e0kcXHh0KzgUMG0LUDawbAanZn2r1KhAk0ouwXX/eu9J7 NQQRDi1Z02pTI5X3V1VAf+0O7RGnGGnWb/r2K76nr7lZNp88RJfbLtgBM01pzw2U NTnIAP7cAomNDaBglzAuS17yeFTS953nxaQlR8/t3UefP+fHmiIJyOOlxrXFMwVM jOfW4JAIkcl5DD/8l9lU1t91+zyKMrjsv8IrlGPW1sLsr/UOQjBajdHwnH8veC41 mL+xjiMb51g33JDRDAl6mloxXms9LvcNzbnKSwqVO1i23GkN1iHJmbq66Teut07C 7AH2qM3tSAuiXmNF1ntvodK1ukLS8moOiP8ZuuHfS13rr7gxPyRAvYdBiDaNEhF2 gCYYpIcaly+5rSf6wvDXgl/s3tS4o07AzDfpttyH5jYnY80nVj7CgS8vUU/mg1lW QpapBnBHU8wrz+eBqQ== =3gt3 -----END PGP SIGNATURE----- Merge tag 'loongarch-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson Pull LoongArch updates from Huacai Chen: - preliminary ClangBuiltLinux enablement - add support to clone a time namespace - add vector extensions support - add SMT (Simultaneous Multi-Threading) support - support dbar with different hints - introduce hardware page table walker - add jump-label implementation - add rethook and uprobes support - some bug fixes and other small changes * tag 'loongarch-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: (28 commits) LoongArch: Remove five DIE_* definitions in kdebug.h LoongArch: Add uprobes support LoongArch: Use larch_insn_gen_break() for kprobes LoongArch: Add larch_insn_gen_break() to generate break insns LoongArch: Check for AMO instructions in insns_not_supported() LoongArch: Move three functions from kprobes.c to inst.c LoongArch: Replace kretprobe with rethook LoongArch: Add jump-label implementation LoongArch: Select HAVE_DEBUG_KMEMLEAK to support kmemleak LoongArch: Export some arch-specific pm interfaces LoongArch: Introduce hardware page table walker LoongArch: Support dbar with different hints LoongArch: Add SMT (Simultaneous Multi-Threading) support LoongArch: Add vector extensions support LoongArch: Add support to clone a time namespace Makefile: Add loongarch target flag for Clang compilation LoongArch: Mark Clang LTO as working LoongArch: Include KBUILD_CPPFLAGS in CHECKFLAGS invocation LoongArch: vDSO: Use CLANG_FLAGS instead of filtering out '--target=' LoongArch: Tweak CFLAGS for Clang compatibility ... |
||
|
Linus Torvalds
|
6c1561fb90 |
ARM: SoC devicetree updates for 6.5
The biggest change this time is for the 32-bit devicetree files, which
are all moved to a new location, using separate subdirectories for each
SoC vendor, following the same scheme that is used on arm64, mips and
riscv. This has been discussed for many years, but so far we never did
this as there was a plan to move the files out of the kernel entirely,
which has never happened.
The impact of this will be that all external patches no longer apply,
and anything depending on the location of the dtb files in the build
directory will have to change. The installed files after 'make
dtbs_install' keep the current location.
There are six added SoCs here that are largely variants of previously
added chips. Two other chips are added in a separate branch along
with their device drivers.
* The Samsung Exynos 4212 makes its return after the Samsung Galaxy
Express phone is addded at last. The SoC support was originally
added in 2012 but removed again in 2017 as it was unused at the time.
* Amlogic C3 is a Cortex-A35 based smart IP camera chip
* Qualcomm MSM8939 (Snapdragon 615) is a more featureful variant of
the still common MSM8916 (Snapdragon 410) phone chip that has been
supported for a long time.
* Qualcomm SC8180x (Snapdragon 8cx) is one of their earlier high-end
laptop chips, used in the Lenovo Flex 5G, which is added along with
the reference board.
* Qualcomm SDX75 is the latest generation modem chip that is used
as a peripherial in phones but can also run a standalone Linux. Unlike
the prior 32-bit SDX65 and SDX55, this now has a 64-bit Cortex-A55.
* Alibaba T-Head TH1520 is a quad-core RISC-V chip based on the Xuantie
C910 core, a step up from all previously added rv64 chips.
All of the above come with reference board implementations, those included
there are 39 new board files, but only five more 32-bit this time, probably
a new low:
* Marantec Maveo board based on dhcor imx6ull module
* Endian 4i Edge 200, based on the armv5 Marvell Kirkwood chip
* Epson Moverio BT-200 AR glasses based on TI OMAP4
* PHYTEC STM32MP1-3 Dev board based on STM32MP15 PHYTEC SOM
* ICnova ADB4006 board based on Allwinner A20
On the 64-bit side, there are also fewer addded machines than
we had in the recent releases:
* Three boards based on NXP i.MX8: Emtop SoM & Baseboard,
NXP i.MX8MM EVKB board and i.MX8MP based Gateworks Venice
gw7905-2x device.
* NVIDIA IGX Orin and Jetson Orin Nano boards, both based on
tegra234
* Qualcomm gains support for 6 reference boards on various members
of their IPQ networking SoC series, as well as the Sony Xperia M4
Aqua phone, the Acer Aspire 1 laptop, and the Fxtec Pro1X board
on top of the various reference platforms for their new chips.
* Rockchips support for several newer boards: Indiedroid Nova (rk3588),
Edgeble Neural Compute Module 6B (rk3588), FriendlyARM NanoPi R2C
Plus (rk3328), Anbernic RG353PS (rk3566), Lunzn Fastrhino R66S/R68S
(rk3568)
* TI K3/AM625 based PHYTEC phyBOARD-Lyra-AM625 board and Toradex Verdin
family with AM62 COM, carrier and dev boards
Other changes to existing boards contain the usual minor improvements
along with
* continued updates to clean up dts files based on dtc warnings and
binding checks, in particular cache properties and node names
* support for devicetree overlays on at91, bcm283x
* significant additions to existing SoC support on mediatek, qualcomm,
ti k3 family, starfive jh71xx, NXP i.MX6 and i.MX8, ST STM32MP1
As usual, a lot more detail is available in the individual merge
commits.
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Merge tag 'soc-dt-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC devicetree updates from Arnd Bergmann:
"The biggest change this time is for the 32-bit devicetree files, which
are all moved to a new location, using separate subdirectories for
each SoC vendor, following the same scheme that is used on arm64, mips
and riscv. This has been discussed for many years, but so far we never
did this as there was a plan to move the files out of the kernel
entirely, which has never happened.
The impact of this will be that all external patches no longer apply,
and anything depending on the location of the dtb files in the build
directory will have to change. The installed files after 'make
dtbs_install' keep the current location.
There are six added SoCs here that are largely variants of previously
added chips. Two other chips are added in a separate branch along with
their device drivers.
- The Samsung Exynos 4212 makes its return after the Samsung Galaxy
Express phone is addded at last. The SoC support was originally
added in 2012 but removed again in 2017 as it was unused at the
time.
- Amlogic C3 is a Cortex-A35 based smart IP camera chip
- Qualcomm MSM8939 (Snapdragon 615) is a more featureful variant of
the still common MSM8916 (Snapdragon 410) phone chip that has been
supported for a long time.
- Qualcomm SC8180x (Snapdragon 8cx) is one of their earlier high-end
laptop chips, used in the Lenovo Flex 5G, which is added along with
the reference board.
- Qualcomm SDX75 is the latest generation modem chip that is used as
a peripherial in phones but can also run a standalone Linux. Unlike
the prior 32-bit SDX65 and SDX55, this now has a 64-bit Cortex-A55.
- Alibaba T-Head TH1520 is a quad-core RISC-V chip based on the
Xuantie C910 core, a step up from all previously added rv64 chips.
All of the above come with reference board implementations, those
included there are 39 new board files, but only five more 32-bit this
time, probably a new low:
- Marantec Maveo board based on dhcor imx6ull module
- Endian 4i Edge 200, based on the armv5 Marvell Kirkwood chip
- Epson Moverio BT-200 AR glasses based on TI OMAP4
- PHYTEC STM32MP1-3 Dev board based on STM32MP15 PHYTEC SOM
- ICnova ADB4006 board based on Allwinner A20
On the 64-bit side, there are also fewer addded machines than we had
in the recent releases:
- Three boards based on NXP i.MX8: Emtop SoM & Baseboard, NXP i.MX8MM
EVKB board and i.MX8MP based Gateworks Venice gw7905-2x device.
- NVIDIA IGX Orin and Jetson Orin Nano boards, both based on tegra234
- Qualcomm gains support for 6 reference boards on various members of
their IPQ networking SoC series, as well as the Sony Xperia M4 Aqua
phone, the Acer Aspire 1 laptop, and the Fxtec Pro1X board on top
of the various reference platforms for their new chips.
- Rockchips support for several newer boards: Indiedroid Nova
(rk3588), Edgeble Neural Compute Module 6B (rk3588), FriendlyARM
NanoPi R2C Plus (rk3328), Anbernic RG353PS (rk3566), Lunzn
Fastrhino R66S/R68S (rk3568)
- TI K3/AM625 based PHYTEC phyBOARD-Lyra-AM625 board and Toradex
Verdin family with AM62 COM, carrier and dev boards
Other changes to existing boards contain the usual minor improvements
along with
- continued updates to clean up dts files based on dtc warnings and
binding checks, in particular cache properties and node names
- support for devicetree overlays on at91, bcm283x
- significant additions to existing SoC support on mediatek,
qualcomm, ti k3 family, starfive jh71xx, NXP i.MX6 and i.MX8, ST
STM32MP1
As usual, a lot more detail is available in the individual merge
commits"
* tag 'soc-dt-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (926 commits)
ARM: mvebu: fix unit address on armada-390-db flash
ARM: dts: Move .dts files to vendor sub-directories
kbuild: Support flat DTBs install
ARM: dts: Add .dts files missing from the build
ARM: dts: allwinner: Use quoted #include
ARM: dts: lan966x: kontron-d10: add PHY interrupts
ARM: dts: lan966x: kontron-d10: fix SPI CS
ARM: dts: lan966x: kontron-d10: fix board reset
ARM: dts: at91: Enable device-tree overlay support for AT91 boards
arm: dts: Enable device-tree overlay support for AT91 boards
arm64: dts: exynos: Remove clock from Exynos850 pmu_system_controller
ARM: dts: at91: use generic name for shutdown controller
ARM: dts: BCM5301X: Add cells sizes to PCIe nodes
dt-bindings: firmware: brcm,kona-smc: convert to YAML
riscv: dts: sort makefile entries by directory
riscv: defconfig: enable T-HEAD SoC
MAINTAINERS: add entry for T-HEAD RISC-V SoC
riscv: dts: thead: add sipeed Lichee Pi 4A board device tree
riscv: dts: add initial T-HEAD TH1520 SoC device tree
riscv: Add the T-HEAD SoC family Kconfig option
...
|
||
WANG Xuerui
|
65eea6b44a |
Makefile: Add loongarch target flag for Clang compilation
The LoongArch kernel is 64-bit and built with the soft-float ABI, hence the loongarch64-linux-gnusf target. (The "libc" part can affect the codegen of libcalls: other arches do not use a bare-metal target, and currently the only fully supported libc on LoongArch is glibc anyway.) See: https://lore.kernel.org/loongarch/CAKwvOdnimxv8oJ4mVY74zqtt1x7KTMrWvn2_T9x22SFDbU6rHQ@mail.gmail.com/ Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: WANG Xuerui <git@xen0n.name> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> |
||
|
Linus Torvalds
|
3a8a670eee |
Networking changes for 6.5.
Core
----
- Rework the sendpage & splice implementations. Instead of feeding
data into sockets page by page extend sendmsg handlers to support
taking a reference on the data, controlled by a new flag called
MSG_SPLICE_PAGES. Rework the handling of unexpected-end-of-file
to invoke an additional callback instead of trying to predict what
the right combination of MORE/NOTLAST flags is.
Remove the MSG_SENDPAGE_NOTLAST flag completely.
- Implement SCM_PIDFD, a new type of CMSG type analogous to
SCM_CREDENTIALS, but it contains pidfd instead of plain pid.
- Enable socket busy polling with CONFIG_RT.
- Improve reliability and efficiency of reporting for ref_tracker.
- Auto-generate a user space C library for various Netlink families.
Protocols
---------
- Allow TCP to shrink the advertised window when necessary, prevent
sk_rcvbuf auto-tuning from growing the window all the way up to
tcp_rmem[2].
- Use per-VMA locking for "page-flipping" TCP receive zerocopy.
- Prepare TCP for device-to-device data transfers, by making sure
that payloads are always attached to skbs as page frags.
- Make the backoff time for the first N TCP SYN retransmissions
linear. Exponential backoff is unnecessarily conservative.
- Create a new MPTCP getsockopt to retrieve all info (MPTCP_FULL_INFO).
- Avoid waking up applications using TLS sockets until we have
a full record.
- Allow using kernel memory for protocol ioctl callbacks, paving
the way to issuing ioctls over io_uring.
- Add nolocalbypass option to VxLAN, forcing packets to be fully
encapsulated even if they are destined for a local IP address.
- Make TCPv4 use consistent hash in TIME_WAIT and SYN_RECV. Ensure
in-kernel ECMP implementation (e.g. Open vSwitch) select the same
link for all packets. Support L4 symmetric hashing in Open vSwitch.
- PPPoE: make number of hash bits configurable.
- Allow DNS to be overwritten by DHCPACK in the in-kernel DHCP client
(ipconfig).
- Add layer 2 miss indication and filtering, allowing higher layers
(e.g. ACL filters) to make forwarding decisions based on whether
packet matched forwarding state in lower devices (bridge).
- Support matching on Connectivity Fault Management (CFM) packets.
- Hide the "link becomes ready" IPv6 messages by demoting their
printk level to debug.
- HSR: don't enable promiscuous mode if device offloads the proto.
- Support active scanning in IEEE 802.15.4.
- Continue work on Multi-Link Operation for WiFi 7.
BPF
---
- Add precision propagation for subprogs and callbacks. This allows
maintaining verification efficiency when subprograms are used,
or in fact passing the verifier at all for complex programs,
especially those using open-coded iterators.
- Improve BPF's {g,s}setsockopt() length handling. Previously BPF
assumed the length is always equal to the amount of written data.
But some protos allow passing a NULL buffer to discover what
the output buffer *should* be, without writing anything.
- Accept dynptr memory as memory arguments passed to helpers.
- Add routing table ID to bpf_fib_lookup BPF helper.
- Support O_PATH FDs in BPF_OBJ_PIN and BPF_OBJ_GET commands.
- Drop bpf_capable() check in BPF_MAP_FREEZE command (used to mark
maps as read-only).
- Show target_{obj,btf}_id in tracing link fdinfo.
- Addition of several new kfuncs (most of the names are self-explanatory):
- Add a set of new dynptr kfuncs: bpf_dynptr_adjust(),
bpf_dynptr_is_null(), bpf_dynptr_is_rdonly(), bpf_dynptr_size()
and bpf_dynptr_clone().
- bpf_task_under_cgroup()
- bpf_sock_destroy() - force closing sockets
- bpf_cpumask_first_and(), rework bpf_cpumask_any*() kfuncs
Netfilter
---------
- Relax set/map validation checks in nf_tables. Allow checking
presence of an entry in a map without using the value.
- Increase ip_vs_conn_tab_bits range for 64BIT builds.
- Allow updating size of a set.
- Improve NAT tuple selection when connection is closing.
Driver API
----------
- Integrate netdev with LED subsystem, to allow configuring HW
"offloaded" blinking of LEDs based on link state and activity
(i.e. packets coming in and out).
- Support configuring rate selection pins of SFP modules.
- Factor Clause 73 auto-negotiation code out of the drivers, provide
common helper routines.
- Add more fool-proof helpers for managing lifetime of MDIO devices
associated with the PCS layer.
- Allow drivers to report advanced statistics related to Time Aware
scheduler offload (taprio).
- Allow opting out of VF statistics in link dump, to allow more VFs
to fit into the message.
- Split devlink instance and devlink port operations.
New hardware / drivers
----------------------
- Ethernet:
- Synopsys EMAC4 IP support (stmmac)
- Marvell 88E6361 8 port (5x1GE + 3x2.5GE) switches
- Marvell 88E6250 7 port switches
- Microchip LAN8650/1 Rev.B0 PHYs
- MediaTek MT7981/MT7988 built-in 1GE PHY driver
- WiFi:
- Realtek RTL8192FU, 2.4 GHz, b/g/n mode, 2T2R, 300 Mbps
- Realtek RTL8723DS (SDIO variant)
- Realtek RTL8851BE
- CAN:
- Fintek F81604
Drivers
-------
- Ethernet NICs:
- Intel (100G, ice):
- support dynamic interrupt allocation
- use meta data match instead of VF MAC addr on slow-path
- nVidia/Mellanox:
- extend link aggregation to handle 4, rather than just 2 ports
- spawn sub-functions without any features by default
- OcteonTX2:
- support HTB (Tx scheduling/QoS) offload
- make RSS hash generation configurable
- support selecting Rx queue using TC filters
- Wangxun (ngbe/txgbe):
- add basic Tx/Rx packet offloads
- add phylink support (SFP/PCS control)
- Freescale/NXP (enetc):
- report TAPRIO packet statistics
- Solarflare/AMD:
- support matching on IP ToS and UDP source port of outer header
- VxLAN and GENEVE tunnel encapsulation over IPv4 or IPv6
- add devlink dev info support for EF10
- Virtual NICs:
- Microsoft vNIC:
- size the Rx indirection table based on requested configuration
- support VLAN tagging
- Amazon vNIC:
- try to reuse Rx buffers if not fully consumed, useful for ARM
servers running with 16kB pages
- Google vNIC:
- support TCP segmentation of >64kB frames
- Ethernet embedded switches:
- Marvell (mv88e6xxx):
- enable USXGMII (88E6191X)
- Microchip:
- lan966x: add support for Egress Stage 0 ACL engine
- lan966x: support mapping packet priority to internal switch
priority (based on PCP or DSCP)
- Ethernet PHYs:
- Broadcom PHYs:
- support for Wake-on-LAN for BCM54210E/B50212E
- report LPI counter
- Microsemi PHYs: support RGMII delay configuration (VSC85xx)
- Micrel PHYs: receive timestamp in the frame (LAN8841)
- Realtek PHYs: support optional external PHY clock
- Altera TSE PCS: merge the driver into Lynx PCS which it is
a variant of
- CAN: Kvaser PCIEcan:
- support packet timestamping
- WiFi:
- Intel (iwlwifi):
- major update for new firmware and Multi-Link Operation (MLO)
- configuration rework to drop test devices and split
the different families
- support for segmented PNVM images and power tables
- new vendor entries for PPAG (platform antenna gain) feature
- Qualcomm 802.11ax (ath11k):
- Multiple Basic Service Set Identifier (MBSSID) and
Enhanced MBSSID Advertisement (EMA) support in AP mode
- support factory test mode
- RealTek (rtw89):
- add RSSI based antenna diversity
- support U-NII-4 channels on 5 GHz band
- RealTek (rtl8xxxu):
- AP mode support for 8188f
- support USB RX aggregation for the newer chips
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking changes from Jakub Kicinski:
"WiFi 7 and sendpage changes are the biggest pieces of work for this
release. The latter will definitely require fixes but I think that we
got it to a reasonable point.
Core:
- Rework the sendpage & splice implementations
Instead of feeding data into sockets page by page extend sendmsg
handlers to support taking a reference on the data, controlled by a
new flag called MSG_SPLICE_PAGES
Rework the handling of unexpected-end-of-file to invoke an
additional callback instead of trying to predict what the right
combination of MORE/NOTLAST flags is
Remove the MSG_SENDPAGE_NOTLAST flag completely
- Implement SCM_PIDFD, a new type of CMSG type analogous to
SCM_CREDENTIALS, but it contains pidfd instead of plain pid
- Enable socket busy polling with CONFIG_RT
- Improve reliability and efficiency of reporting for ref_tracker
- Auto-generate a user space C library for various Netlink families
Protocols:
- Allow TCP to shrink the advertised window when necessary, prevent
sk_rcvbuf auto-tuning from growing the window all the way up to
tcp_rmem[2]
- Use per-VMA locking for "page-flipping" TCP receive zerocopy
- Prepare TCP for device-to-device data transfers, by making sure
that payloads are always attached to skbs as page frags
- Make the backoff time for the first N TCP SYN retransmissions
linear. Exponential backoff is unnecessarily conservative
- Create a new MPTCP getsockopt to retrieve all info
(MPTCP_FULL_INFO)
- Avoid waking up applications using TLS sockets until we have a full
record
- Allow using kernel memory for protocol ioctl callbacks, paving the
way to issuing ioctls over io_uring
- Add nolocalbypass option to VxLAN, forcing packets to be fully
encapsulated even if they are destined for a local IP address
- Make TCPv4 use consistent hash in TIME_WAIT and SYN_RECV. Ensure
in-kernel ECMP implementation (e.g. Open vSwitch) select the same
link for all packets. Support L4 symmetric hashing in Open vSwitch
- PPPoE: make number of hash bits configurable
- Allow DNS to be overwritten by DHCPACK in the in-kernel DHCP client
(ipconfig)
- Add layer 2 miss indication and filtering, allowing higher layers
(e.g. ACL filters) to make forwarding decisions based on whether
packet matched forwarding state in lower devices (bridge)
- Support matching on Connectivity Fault Management (CFM) packets
- Hide the "link becomes ready" IPv6 messages by demoting their
printk level to debug
- HSR: don't enable promiscuous mode if device offloads the proto
- Support active scanning in IEEE 802.15.4
- Continue work on Multi-Link Operation for WiFi 7
BPF:
- Add precision propagation for subprogs and callbacks. This allows
maintaining verification efficiency when subprograms are used, or
in fact passing the verifier at all for complex programs,
especially those using open-coded iterators
- Improve BPF's {g,s}setsockopt() length handling. Previously BPF
assumed the length is always equal to the amount of written data.
But some protos allow passing a NULL buffer to discover what the
output buffer *should* be, without writing anything
- Accept dynptr memory as memory arguments passed to helpers
- Add routing table ID to bpf_fib_lookup BPF helper
- Support O_PATH FDs in BPF_OBJ_PIN and BPF_OBJ_GET commands
- Drop bpf_capable() check in BPF_MAP_FREEZE command (used to mark
maps as read-only)
- Show target_{obj,btf}_id in tracing link fdinfo
- Addition of several new kfuncs (most of the names are
self-explanatory):
- Add a set of new dynptr kfuncs: bpf_dynptr_adjust(),
bpf_dynptr_is_null(), bpf_dynptr_is_rdonly(), bpf_dynptr_size()
and bpf_dynptr_clone().
- bpf_task_under_cgroup()
- bpf_sock_destroy() - force closing sockets
- bpf_cpumask_first_and(), rework bpf_cpumask_any*() kfuncs
Netfilter:
- Relax set/map validation checks in nf_tables. Allow checking
presence of an entry in a map without using the value
- Increase ip_vs_conn_tab_bits range for 64BIT builds
- Allow updating size of a set
- Improve NAT tuple selection when connection is closing
Driver API:
- Integrate netdev with LED subsystem, to allow configuring HW
"offloaded" blinking of LEDs based on link state and activity
(i.e. packets coming in and out)
- Support configuring rate selection pins of SFP modules
- Factor Clause 73 auto-negotiation code out of the drivers, provide
common helper routines
- Add more fool-proof helpers for managing lifetime of MDIO devices
associated with the PCS layer
- Allow drivers to report advanced statistics related to Time Aware
scheduler offload (taprio)
- Allow opting out of VF statistics in link dump, to allow more VFs
to fit into the message
- Split devlink instance and devlink port operations
New hardware / drivers:
- Ethernet:
- Synopsys EMAC4 IP support (stmmac)
- Marvell 88E6361 8 port (5x1GE + 3x2.5GE) switches
- Marvell 88E6250 7 port switches
- Microchip LAN8650/1 Rev.B0 PHYs
- MediaTek MT7981/MT7988 built-in 1GE PHY driver
- WiFi:
- Realtek RTL8192FU, 2.4 GHz, b/g/n mode, 2T2R, 300 Mbps
- Realtek RTL8723DS (SDIO variant)
- Realtek RTL8851BE
- CAN:
- Fintek F81604
Drivers:
- Ethernet NICs:
- Intel (100G, ice):
- support dynamic interrupt allocation
- use meta data match instead of VF MAC addr on slow-path
- nVidia/Mellanox:
- extend link aggregation to handle 4, rather than just 2 ports
- spawn sub-functions without any features by default
- OcteonTX2:
- support HTB (Tx scheduling/QoS) offload
- make RSS hash generation configurable
- support selecting Rx queue using TC filters
- Wangxun (ngbe/txgbe):
- add basic Tx/Rx packet offloads
- add phylink support (SFP/PCS control)
- Freescale/NXP (enetc):
- report TAPRIO packet statistics
- Solarflare/AMD:
- support matching on IP ToS and UDP source port of outer
header
- VxLAN and GENEVE tunnel encapsulation over IPv4 or IPv6
- add devlink dev info support for EF10
- Virtual NICs:
- Microsoft vNIC:
- size the Rx indirection table based on requested
configuration
- support VLAN tagging
- Amazon vNIC:
- try to reuse Rx buffers if not fully consumed, useful for ARM
servers running with 16kB pages
- Google vNIC:
- support TCP segmentation of >64kB frames
- Ethernet embedded switches:
- Marvell (mv88e6xxx):
- enable USXGMII (88E6191X)
- Microchip:
- lan966x: add support for Egress Stage 0 ACL engine
- lan966x: support mapping packet priority to internal switch
priority (based on PCP or DSCP)
- Ethernet PHYs:
- Broadcom PHYs:
- support for Wake-on-LAN for BCM54210E/B50212E
- report LPI counter
- Microsemi PHYs: support RGMII delay configuration (VSC85xx)
- Micrel PHYs: receive timestamp in the frame (LAN8841)
- Realtek PHYs: support optional external PHY clock
- Altera TSE PCS: merge the driver into Lynx PCS which it is a
variant of
- CAN: Kvaser PCIEcan:
- support packet timestamping
- WiFi:
- Intel (iwlwifi):
- major update for new firmware and Multi-Link Operation (MLO)
- configuration rework to drop test devices and split the
different families
- support for segmented PNVM images and power tables
- new vendor entries for PPAG (platform antenna gain) feature
- Qualcomm 802.11ax (ath11k):
- Multiple Basic Service Set Identifier (MBSSID) and Enhanced
MBSSID Advertisement (EMA) support in AP mode
- support factory test mode
- RealTek (rtw89):
- add RSSI based antenna diversity
- support U-NII-4 channels on 5 GHz band
- RealTek (rtl8xxxu):
- AP mode support for 8188f
- support USB RX aggregation for the newer chips"
* tag 'net-next-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1602 commits)
net: scm: introduce and use scm_recv_unix helper
af_unix: Skip SCM_PIDFD if scm->pid is NULL.
net: lan743x: Simplify comparison
netlink: Add __sock_i_ino() for __netlink_diag_dump().
net: dsa: avoid suspicious RCU usage for synced VLAN-aware MAC addresses
Revert "af_unix: Call scm_recv() only after scm_set_cred()."
phylink: ReST-ify the phylink_pcs_neg_mode() kdoc
libceph: Partially revert changes to support MSG_SPLICE_PAGES
net: phy: mscc: fix packet loss due to RGMII delays
net: mana: use vmalloc_array and vcalloc
net: enetc: use vmalloc_array and vcalloc
ionic: use vmalloc_array and vcalloc
pds_core: use vmalloc_array and vcalloc
gve: use vmalloc_array and vcalloc
octeon_ep: use vmalloc_array and vcalloc
net: usb: qmi_wwan: add u-blox 0x1312 composition
perf trace: fix MSG_SPLICE_PAGES build error
ipvlan: Fix return value of ipvlan_queue_xmit()
netfilter: nf_tables: fix underflow in chain reference counter
netfilter: nf_tables: unbind non-anonymous set if rule construction fails
...
|
||
|
Linus Torvalds
|
6a8cbd9253 |
v6.5-rc1-sysctl-next
The changes queued up for v6.5-rc1 for sysctl are in line with prior efforts to stop usage of deprecated routines which incur recursion and also make it hard to remove the empty array element in each sysctl array declaration. The most difficult user to modify was parport which required a bit of re-thinking of how to declare shared sysctls there, Joel Granados has stepped up to the plate to do most of this work and eventual removal of register_sysctl_table(). That work ended up saving us about 1465 bytes according to bloat-o-meter. Since we gained a few bloat-o-meter karma points I moved two rather small sysctl arrays from kernel/sysctl.c leaving us only two more sysctl arrays to move left. Most changes have been tested on linux-next for about a month. The last straggler patches are a minor parport fix, changes to the sysctl kernel selftest so to verify correctness and prevent regressions for the future change he made to provide an alternative solution for the special sysctl mount point target which was using the now deprecated sysctl child element. This is all prep work to now finally be able to remove the empty array element in all sysctl declarations / registrations which is expected to save us a bit of bytes all over the kernel. That work will be tested early after v6.5-rc1 is out. -----BEGIN PGP SIGNATURE----- iQJGBAABCgAwFiEENnNq2KuOejlQLZofziMdCjCSiKcFAmSceh0SHG1jZ3JvZkBr ZXJuZWwub3JnAAoJEM4jHQowkoinBFQQAK9WdpcU8ODoDzoSls4jsCQpZUCfZ+ED pbCgQqUqu9VPs6bnJ+aXVa6Fh3uCr6+TIfNFM55qI/Sbo2issZ7bm0nvKmGgc6/m giqDP7btvHqiAsEootci8DVdbBXKkdH4dx3pSwleyN8pdinewH0hrKImaPpahyo6 1mB1du0iI89yjsZmheHVVSyfXXYAnP0PqRVy5Y+qxY7yYlIegQ5uAZmwRE62lfTf TuiV7OFuDZ2DBYOmqIhfGKGRnfOL5ZVF3iHCrfUpX3p+fEFzDmwvm3vr73PTSrFw /aRRLa/hOWr5ilw1bvnMcazgQzFEOlQb3DMhBKH7gLl3XHVrM+TaaqYHjUia1+6Y e2axz/duA2q9uLMW81daRApvHMCgy0exkpC7prfOxF5bgTe4TjA7ZWvGpqG1kPKT PPSxw80XvG5hLZm4tB0ZWJ5rOfFpiUGGneSeRQwyuClBt73SIO+F03jyGpt83slU jFE50ac14Zwh1oxpCQtYoR1+bXWdq1QwM5vQBNEuaoTSnJfVjrXqBz/BnqJChtjr m1vA27+4/dfki2P3gVWF1lGx43ir3uJvqk+BjWXm2CDDJqpRi3N0qcUwZwLuqAAz /LEgFqK61bpHi/C8c2NWAxIoeWRU4NUOaoiKmZwyt0sKAWU1Yzg70xssYeg7VYqZ 3pvFNVBqkV+F =sXUU -----END PGP SIGNATURE----- Merge tag 'v6.5-rc1-sysctl-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux Pull sysctl updates from Luis Chamberlain: "The changes for sysctl are in line with prior efforts to stop usage of deprecated routines which incur recursion and also make it hard to remove the empty array element in each sysctl array declaration. The most difficult user to modify was parport which required a bit of re-thinking of how to declare shared sysctls there, Joel Granados has stepped up to the plate to do most of this work and eventual removal of register_sysctl_table(). That work ended up saving us about 1465 bytes according to bloat-o-meter. Since we gained a few bloat-o-meter karma points I moved two rather small sysctl arrays from kernel/sysctl.c leaving us only two more sysctl arrays to move left. Most changes have been tested on linux-next for about a month. The last straggler patches are a minor parport fix, changes to the sysctl kernel selftest so to verify correctness and prevent regressions for the future change he made to provide an alternative solution for the special sysctl mount point target which was using the now deprecated sysctl child element. This is all prep work to now finally be able to remove the empty array element in all sysctl declarations / registrations which is expected to save us a bit of bytes all over the kernel. That work will be tested early after v6.5-rc1 is out" * tag 'v6.5-rc1-sysctl-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux: sysctl: replace child with an enumeration sysctl: Remove debugging dump_stack test_sysclt: Test for registering a mount point test_sysctl: Add an option to prevent test skip test_sysctl: Add an unregister sysctl test test_sysctl: Group node sysctl test under one func test_sysctl: Fix test metadata getters parport: plug a sysctl register leak sysctl: move security keys sysctl registration to its own file sysctl: move umh sysctl registration to its own file signal: move show_unhandled_signals sysctl to its own file sysctl: remove empty dev table sysctl: Remove register_sysctl_table sysctl: Refactor base paths registrations sysctl: stop exporting register_sysctl_table parport: Removed sysctl related defines parport: Remove register_sysctl_table from parport_default_proc_register parport: Remove register_sysctl_table from parport_device_proc_register parport: Remove register_sysctl_table from parport_proc_register parport: Move magic number "15" to a define |
||
|
Linus Torvalds
|
77b1a7f7a0 |
- Arnd Bergmann has fixed a bunch of -Wmissing-prototypes in
top-level directories. - Douglas Anderson has added a new "buddy" mode to the hardlockup detector. It permits the detector to work on architectures which cannot provide the required interrupts, by having CPUs periodically perform checks on other CPUs. - Zhen Lei has enhanced kexec's ability to support two crash regions. - Petr Mladek has done a lot of cleanup on the hard lockup detector's Kconfig entries. - And the usual bunch of singleton patches in various places. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCZJelTAAKCRDdBJ7gKXxA juDkAP0VXWynzkXoojdS/8e/hhi+htedmQ3v2dLZD+vBrctLhAEA7rcH58zAVoWa 2ejqO6wDrRGUC7JQcO9VEjT0nv73UwU= =F293 -----END PGP SIGNATURE----- Merge tag 'mm-nonmm-stable-2023-06-24-19-23' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull non-mm updates from Andrew Morton: - Arnd Bergmann has fixed a bunch of -Wmissing-prototypes in top-level directories - Douglas Anderson has added a new "buddy" mode to the hardlockup detector. It permits the detector to work on architectures which cannot provide the required interrupts, by having CPUs periodically perform checks on other CPUs - Zhen Lei has enhanced kexec's ability to support two crash regions - Petr Mladek has done a lot of cleanup on the hard lockup detector's Kconfig entries - And the usual bunch of singleton patches in various places * tag 'mm-nonmm-stable-2023-06-24-19-23' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (72 commits) kernel/time/posix-stubs.c: remove duplicated include ocfs2: remove redundant assignment to variable bit_off watchdog/hardlockup: fix typo in config HARDLOCKUP_DETECTOR_PREFER_BUDDY powerpc: move arch_trigger_cpumask_backtrace from nmi.h to irq.h devres: show which resource was invalid in __devm_ioremap_resource() watchdog/hardlockup: define HARDLOCKUP_DETECTOR_ARCH watchdog/sparc64: define HARDLOCKUP_DETECTOR_SPARC64 watchdog/hardlockup: make HAVE_NMI_WATCHDOG sparc64-specific watchdog/hardlockup: declare arch_touch_nmi_watchdog() only in linux/nmi.h watchdog/hardlockup: make the config checks more straightforward watchdog/hardlockup: sort hardlockup detector related config values a logical way watchdog/hardlockup: move SMP barriers from common code to buddy code watchdog/buddy: simplify the dependency for HARDLOCKUP_DETECTOR_PREFER_BUDDY watchdog/buddy: don't copy the cpumask in watchdog_next_cpu() watchdog/buddy: cleanup how watchdog_buddy_check_hardlockup() is called watchdog/hardlockup: remove softlockup comment in touch_nmi_watchdog() watchdog/hardlockup: in watchdog_hardlockup_check() use cpumask_copy() watchdog/hardlockup: don't use raw_cpu_ptr() in watchdog_hardlockup_kick() watchdog/hardlockup: HAVE_NMI_WATCHDOG must implement watchdog_hardlockup_probe() watchdog/hardlockup: keep kernel.nmi_watchdog sysctl as 0444 if probe fails ... |
||
Masahiro Yamada
|
f5983dab0e |
modpost: define more R_ARM_* for old distributions
On CentOS 7, the following build error occurs.
scripts/mod/modpost.c: In function 'addend_arm_rel':
scripts/mod/modpost.c:1312:7: error: 'R_ARM_MOVW_ABS_NC' undeclared (first use in this function); did you mean 'R_ARM_THM_ABS5'?
case R_ARM_MOVW_ABS_NC:
^~~~~~~~~~~~~~~~~
R_ARM_THM_ABS5
scripts/mod/modpost.c:1312:7: note: each undeclared identifier is reported only once for each function it appears in
scripts/mod/modpost.c:1313:7: error: 'R_ARM_MOVT_ABS' undeclared (first use in this function); did you mean 'R_ARM_THM_ABS5'?
case R_ARM_MOVT_ABS:
^~~~~~~~~~~~~~
R_ARM_THM_ABS5
scripts/mod/modpost.c:1326:7: error: 'R_ARM_THM_MOVW_ABS_NC' undeclared (first use in this function); did you mean 'R_ARM_THM_ABS5'?
case R_ARM_THM_MOVW_ABS_NC:
^~~~~~~~~~~~~~~~~~~~~
R_ARM_THM_ABS5
scripts/mod/modpost.c:1327:7: error: 'R_ARM_THM_MOVT_ABS' undeclared (first use in this function); did you mean 'R_ARM_THM_ABS5'?
case R_ARM_THM_MOVT_ABS:
^~~~~~~~~~~~~~~~~~
R_ARM_THM_ABS5
Fixes:
|
||
|
Linus Torvalds
|
582c161cf3 |
hardening updates for v6.5-rc1
- Fix KMSAN vs FORTIFY in strlcpy/strlcat (Alexander Potapenko) - Convert strreplace() to return string start (Andy Shevchenko) - Flexible array conversions (Arnd Bergmann, Wyes Karny, Kees Cook) - Add missing function prototypes seen with W=1 (Arnd Bergmann) - Fix strscpy() kerndoc typo (Arne Welzel) - Replace strlcpy() with strscpy() across many subsystems which were either Acked by respective maintainers or were trivial changes that went ignored for multiple weeks (Azeem Shaikh) - Remove unneeded cc-option test for UBSAN_TRAP (Nick Desaulniers) - Add KUnit tests for strcat()-family - Enable KUnit tests of FORTIFY wrappers under UML - Add more complete FORTIFY protections for strlcat() - Add missed disabling of FORTIFY for all arch purgatories. - Enable -fstrict-flex-arrays=3 globally - Tightening UBSAN_BOUNDS when using GCC - Improve checkpatch to check for strcpy, strncpy, and fake flex arrays - Improve use of const variables in FORTIFY - Add requested struct_size_t() helper for types not pointers - Add __counted_by macro for annotating flexible array size members -----BEGIN PGP SIGNATURE----- iQJKBAABCgA0FiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAmSbftQWHGtlZXNjb29r QGNocm9taXVtLm9yZwAKCRCJcvTf3G3AJj0MD/9X9jzJzCmsAU+yNldeoAzC84Sk GVU3RBxGcTNysL1gZXynkIgigw7DWc4htMGeSABHHwQRVP65JCH1Kw/VqIkyumbx 9LdX6IklMJb4pRT4PVU3azebV4eNmSjlur2UxMeW54Czm91/6I8RHbJOyAPnOUmo 2oomGdP/hpEHtKR7hgy8Axc6w5ySwQixh2V5sVZG3VbvCS5WKTmTXbs6puuRT5hz iHt7v+7VtEg/Qf1W7J2oxfoghvVBsaRrSLrExWT/oZYh1ZxM7DsCAAoG/IsDgHGA 9LBXiRECgAFThbHVxLvvKZQMXdVk0i8iXLX43XMKC0wTA+NTyH7wlcQQ4RWNMuo8 sfA9Qm9gMArXaf64aymr3Uwn20Zan0391HdlbhOJZAE6v3PPJbleUnM58AzD2d3r 5Lz6AIFBxDImy+3f9iDWgacCT5/PkeiXTHzk9QnKhJyKKtRA58XJxj4q2+rPnGJP n4haXqoxD5FJbxdXiGKk31RS0U5HBug7wkOcUrTqDHUbc/QNU2b7dxTKUx+zYtCU uV5emPzpF4H4z+91WpO47n9gkMAfwV0lt9S2dwS8pxsgqctbmIan+Jgip7rsqZ2G OgLXBsb43eEs+6WgO8tVt/ZHYj9ivGMdrcNcsIfikzNs/xweUJ53k2xSEn2xEa5J cwANDmkL6QQK7yfeeg== =s0j1 -----END PGP SIGNATURE----- Merge tag 'hardening-v6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull hardening updates from Kees Cook: "There are three areas of note: A bunch of strlcpy()->strscpy() conversions ended up living in my tree since they were either Acked by maintainers for me to carry, or got ignored for multiple weeks (and were trivial changes). The compiler option '-fstrict-flex-arrays=3' has been enabled globally, and has been in -next for the entire devel cycle. This changes compiler diagnostics (though mainly just -Warray-bounds which is disabled) and potential UBSAN_BOUNDS and FORTIFY _warning_ coverage. In other words, there are no new restrictions, just potentially new warnings. Any new FORTIFY warnings we've seen have been fixed (usually in their respective subsystem trees). For more details, see commit |
||
|
Linus Torvalds
|
bc6cb4d5bc |
Locking changes for v6.5:
- Introduce cmpxchg128() -- aka. the demise of cmpxchg_double().
The cmpxchg128() family of functions is basically & functionally
the same as cmpxchg_double(), but with a saner interface: instead
of a 6-parameter horror that forced u128 - u64/u64-halves layout
details on the interface and exposed users to complexity,
fragility & bugs, use a natural 3-parameter interface with u128 types.
- Restructure the generated atomic headers, and add
kerneldoc comments for all of the generic atomic{,64,_long}_t
operations. Generated definitions are much cleaner now,
and come with documentation.
- Implement lock_set_cmp_fn() on lockdep, for defining an ordering
when taking multiple locks of the same type. This gets rid of
one use of lockdep_set_novalidate_class() in the bcache code.
- Fix raw_cpu_generic_try_cmpxchg() bug due to an unintended
variable shadowing generating garbage code on Clang on certain
ARM builds.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-core-2023-06-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar:
- Introduce cmpxchg128() -- aka. the demise of cmpxchg_double()
The cmpxchg128() family of functions is basically & functionally the
same as cmpxchg_double(), but with a saner interface.
Instead of a 6-parameter horror that forced u128 - u64/u64-halves
layout details on the interface and exposed users to complexity,
fragility & bugs, use a natural 3-parameter interface with u128
types.
- Restructure the generated atomic headers, and add kerneldoc comments
for all of the generic atomic{,64,_long}_t operations.
The generated definitions are much cleaner now, and come with
documentation.
- Implement lock_set_cmp_fn() on lockdep, for defining an ordering when
taking multiple locks of the same type.
This gets rid of one use of lockdep_set_novalidate_class() in the
bcache code.
- Fix raw_cpu_generic_try_cmpxchg() bug due to an unintended variable
shadowing generating garbage code on Clang on certain ARM builds.
* tag 'locking-core-2023-06-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (43 commits)
locking/atomic: scripts: fix ${atomic}_dec_if_positive() kerneldoc
percpu: Fix self-assignment of __old in raw_cpu_generic_try_cmpxchg()
locking/atomic: treewide: delete arch_atomic_*() kerneldoc
locking/atomic: docs: Add atomic operations to the driver basic API documentation
locking/atomic: scripts: generate kerneldoc comments
docs: scripts: kernel-doc: accept bitwise negation like ~@var
locking/atomic: scripts: simplify raw_atomic*() definitions
locking/atomic: scripts: simplify raw_atomic_long*() definitions
locking/atomic: scripts: split pfx/name/sfx/order
locking/atomic: scripts: restructure fallback ifdeffery
locking/atomic: scripts: build raw_atomic_long*() directly
locking/atomic: treewide: use raw_atomic*_<op>()
locking/atomic: scripts: add trivial raw_atomic*_<op>()
locking/atomic: scripts: factor out order template generation
locking/atomic: scripts: remove leftover "${mult}"
locking/atomic: scripts: remove bogus order parameter
locking/atomic: xtensa: add preprocessor symbols
locking/atomic: x86: add preprocessor symbols
locking/atomic: sparc: add preprocessor symbols
locking/atomic: sh: add preprocessor symbols
...
|
||
|
Masahiro Yamada
|
54a11654de |
powerpc: remove checks for binutils older than 2.25
Commit
|
||
Pierre-Clément Tosi
|
71025b8565 |
scripts/mksysmap: Ignore prefixed KCFI symbols
The (relatively) new KCFI feature in LLVM/Clang encodes type information for C functions by generating symbols named __kcfi_typeid_<fname>, which can then be referenced from assembly. However, some custom build rules (e.g. nVHE or early PIE on arm64) use objcopy to add a prefix to all the symbols in their object files, making mksysmap's ignore filter miss those KCFI symbols. Therefore, explicitly list those twice-prefixed KCFI symbols as ignored. Alternatively, this could also be achieved in a less verbose way by ignoring any symbol containing the string "__kcfi_typeid_". However, listing the combined prefixes explicitly saves us from running the small risk of ignoring symbols that should be kept. Signed-off-by: Pierre-Clément Tosi <ptosi@google.com> Reviewed-by: Sami Tolvanen <samitolvanen@google.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
||
|
Masahiro Yamada
|
1240dabe8d |
kbuild: deb-pkg: remove the CONFIG_MODULES check in buildeb
When CONFIG_MODULES is disabled for ARCH=um, 'make (bin)deb-pkg' fails
with an error like follows:
cp: cannot create regular file 'debian/linux-image/usr/lib/uml/modules/6.4.0-rc2+/System.map': No such file or directory
Remove the CONFIG_MODULES check completely so ${pdir}/usr/lib/uml/modules
will always be created and modules.builtin.(modinfo) will be installed
under it for ARCH=um.
Fixes:
|
||
Josh Triplett
|
4243afdb93 |
kbuild: builddeb: always make modules_install, to install modules.builtin*
Even for a non-modular kernel, the kernel builds modules.builtin and modules.builtin.modinfo, with information about the built-in modules. Tools such as initramfs-tools need these files to build a working initramfs on some systems, such as those requiring firmware. Now that `make modules_install` works even in non-modular kernels and installs these files, unconditionally invoke it when building a Debian package. Signed-off-by: Josh Triplett <josh@joshtriplett.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
||
|
Linus Torvalds
|
a1257b5e3b |
Rust changes for v6.5
A fairly small one in terms of feature additions. Most of the changes in
terms of lines come from the upgrade to the new version of the toolchain
(which in turn is big due to the vendored 'alloc' crate).
- Upgrade to Rust 1.68.2:
This is the first such upgrade, and we will try to update it often
from now on, in order to remain close to the latest release, until
a minimum version (which is "in the future") can be established.
The upgrade brings the stabilization of 4 features we used (and 2
more that we used in our old 'rust' branch).
Commit
|
||
Peter Zijlstra
|
54da6a0924 |
locking: Introduce __cleanup() based infrastructure
Use __attribute__((__cleanup__(func))) to build: - simple auto-release pointers using __free() - 'classes' with constructor and destructor semantics for scope-based resource management. - lock guards based on the above classes. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20230612093537.614161713%40infradead.org |
||
|
Linus Torvalds
|
300edd751b |
- Add a ORC format hash to vmlinux and modules in order for other tools
which use it, to detect changes to it and adapt accordingly -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmSYCDUACgkQEsHwGGHe VUp/mg//ed9w/x1b/pdeM8WUtQ/jSXWMwntKiJqlDLaexl8e+LKNPS20/yZjGJ6k tw+Hxwvgv0lTYVzeGowTehAsFKqbGPQCmW+RO77Fvrf6DYQmPdXr7cEiZWwYJZgr nZTYTZ97DxtGrpkRDTNYx9kqya3sbgOTma6tU+K/8l1NaLDgdl0OoNnYbGFmJEem ucaoIO36gPzkMafMmmB/SKu96OH+E2mhzVbPnmBWR/36JE/wUgGmcTtfqLCzuClO JOvHj4ylg6UQkXrJpxNqCcjLI4nzpSfYNGpIVy+bHHEmGlQ9HtmpIE60+ooYLrrZ YNJRvkHMtbrXizkZIOOkOm6ZjEgKtgiyxLKyXTgQu8sE1rNAXWQiFr6lbt2GdHrn pwZ/FXp+KKan0K28x34yHMO5B6v0TGQKS0VqafdfrYe8b/vZsscMPpKkss6I7X2O sh8OHOAydyjFG9tplxK6sspA1xM/Qeqh0lSeHvqbiBrd8cGGR6em5pGIwmEOgGmX RlvdcdQLNhXP6RDsXsNltqG2uOqPKPIqV9b3WpP616Gl2RV7wOhOT6nChXbGm//Z NZ4uigx3eokgsoCSDVilgQdHPdZAulbfYcnjPlLDHbcPqOhOdQObcvFCeAe5HG7v QhsZ//WnV7u0OjXVl2Da56/J/k1snYwStXt1xHXRkwCSVaU2Bj0= =n42+ -----END PGP SIGNATURE----- Merge tag 'objtool_urgent_for_v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull objtool fix from Borislav Petkov: - Add a ORC format hash to vmlinux and modules in order for other tools which use it, to detect changes to it and adapt accordingly * tag 'objtool_urgent_for_v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/unwind/orc: Add ELF section with ORC version identifier |
||
|
Masahiro Yamada
|
8e86ebefdd |
modpost: continue even with unknown relocation type
Currently, unknown relocation types are just skipped. The value of r_addend is only needed to get the symbol name in case is_valid_name(elf, sym) returns false. Even if we do not know how to calculate r_addend, we should continue. At worst, we will get "(unknown)" as the symbol name, but it is better than failing to detect section mismatches. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
||
|
Masahiro Yamada
|
8aa00e2c3d |
modpost: factor out Elf_Sym pointer calculation to section_rel()
Pass the Elf_Sym pointer to addend_arm_rel() as well as to check_section_mismatch(). Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> |
||
|
Masahiro Yamada
|
b31db651f7 |
modpost: factor out inst location calculation to section_rel()
All the addend_*_rel() functions calculate the instruction location in the same way. Factor out the similar code to the caller. Squash reloc_location() too. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
||
Sami Tolvanen
|
25a21fbb93 |
kbuild: Disable GCOV for *.mod.o
With GCOV_PROFILE_ALL, Clang injects __llvm_gcov_* functions to each object file, including the *.mod.o. As we filter out CC_FLAGS_CFI for *.mod.o, the compiler won't generate type hashes for the injected functions, and therefore indirectly calling them during module loading trips indirect call checking. Enabling CFI for *.mod.o isn't sufficient to fix this issue after commit |
||
|
Sami Tolvanen
|
ddf56288ee |
kbuild: Fix CFI failures with GCOV
With GCOV_PROFILE_ALL, Clang injects __llvm_gcov_* functions to each object file, and the functions are indirectly called during boot. However, when code is injected to object files that are not part of vmlinux.o, it's also not processed by objtool, which breaks CFI hash randomization as the hashes in these files won't be included in the .cfi_sites section and thus won't be randomized. Similarly to commit |
||
|
Masahiro Yamada
|
3602906019 |
kbuild: make clean rule robust against too long argument error
Commit
|
||
Vincenzo Palazzo
|
1fffe7a34c |
script: modpost: emit a warning when the description is missing
Emit a warning when the mod description is missed and only when the W=1 is enabled. Reported-by: Roland Kletzing <devzero@web.de> Link: https://bugzilla.kernel.org/show_bug.cgi?id=10770 Signed-off-by: Vincenzo Palazzo <vincenzopalazzodev@gmail.com> Tested-by: Nicolas Schier <n.schier@avm.de> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
||
|
Jakub Kicinski
|
a7384f3918 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. Conflicts: tools/testing/selftests/net/fcnal-test.sh |
||
|
Masahiro Yamada
|
f234627898 |
modpost: show offset from symbol for section mismatch warnings
Currently, modpost only shows the symbol names and section names, so it repeats the same message if there are multiple relocations in the same symbol. It is common the relocation spans across multiple instructions. It is better to show the offset from the symbol. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> |
||
|
Masahiro Yamada
|
78dac1a229 |
modpost: merge two similar section mismatch warnings
In case of section mismatch, modpost shows slightly different messages. For extable section mismatch: "%s(%s+0x%lx): Section mismatch in reference to the %s:%s\n" For the other cases: "%s: section mismatch in reference: %s (section: %s) -> %s (section: %s)\n" They are similar. Merge them. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> |
||
|
Masahiro Yamada
|
5e9e95cc91 |
kbuild: implement CONFIG_TRIM_UNUSED_KSYMS without recursion
When CONFIG_TRIM_UNUSED_KSYMS is enabled, Kbuild recursively traverses the directory tree to determine which EXPORT_SYMBOL to trim. If an EXPORT_SYMBOL turns out to be unused by anyone, Kbuild begins the second traverse, where some source files are recompiled with their EXPORT_SYMBOL() tuned into a no-op. Linus stated negative opinions about this slowness in commits: - |
||
|
Masahiro Yamada
|
700c48b439 |
modpost: use null string instead of NULL pointer for default namespace
The default namespace is the null string, "". When set, the null string "" is converted to NULL: s->namespace = namespace[0] ? NOFAIL(strdup(namespace)) : NULL; When printed, the NULL pointer is get back to the null string: sym->namespace ?: "" This saves 1 byte memory allocated for "", but loses the readability. In kernel-space, we strive to save memory, but modpost is a userspace tool used to build the kernel. On modern systems, such small piece of memory is not a big deal. Handle the namespace string as is. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> |
||
|
Masahiro Yamada
|
6e7611c485 |
modpost: squash sym_update_namespace() into sym_add_exported()
Pass a set of the name, license, and namespace to sym_add_exported(). sym_update_namespace() is unneeded. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> |
||
|
Masahiro Yamada
|
6d62b1c46b |
modpost: check static EXPORT_SYMBOL* by modpost again
Commit
|
||
|
Masahiro Yamada
|
ddb5cdbafa |
kbuild: generate KSYMTAB entries by modpost
Commit |
||
Rob Herring
|
6a1d798feb |
kbuild: Support flat DTBs install
In preparation to move Arm .dts files into sub-directories grouped by vendor/family, the current flat tree of DTBs generated by dtbs_install needs to be maintained. Moving the installed DTBs to sub-directories would break various consumers using 'make dtbs_install'. This is a NOP until sub-directories are introduced. Signed-off-by: Rob Herring <robh@kernel.org> |