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8219 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Jose Ignacio Tornos Martinez
|
e3286434d2 |
kbuild: rpm-pkg: avoid the warnings with dtb's listed twice
After |
||
Nathan Chancellor
|
9852f47ac7 |
kbuild: Make ld-version.sh more robust against version string changes
After [1] in upstream LLVM, ld.lld's version output became slightly different when the cmake configuration option LLVM_APPEND_VC_REV is disabled. Before: Debian LLD 19.0.0 (compatible with GNU linkers) After: Debian LLD 19.0.0, compatible with GNU linkers This results in ld-version.sh failing with scripts/ld-version.sh: 18: arithmetic expression: expecting EOF: "10000 * 19 + 100 * 0 + 0," because the trailing comma is included in the patch level part of the expression. While [1] has been partially reverted in [2] to avoid this breakage (as it impacts the configuration stage and it is present in all LTS branches), it would be good to make ld-version.sh more robust against such miniscule changes like this one. Use POSIX shell parameter expansion [3] to remove the largest suffix after just numbers and periods, replacing of the current removal of everything after a hyphen. ld-version.sh continues to work for a number of distributions (Arch Linux, Debian, and Fedora) and the kernel.org toolchains and no longer errors on a version of ld.lld with [1]. Fixes: |
||
Joel Granados
|
a11aaf6d0b |
kbuild: scripts/gdb: bring the "abspath" back
Use the "abspath" call when symlinking the gdb python scripts in
scripts/gdb/linux. This call is needed to avoid broken links when
running the scripts_gdb target on a build directory located directly
under the source tree (e.g., O=builddir).
Fixes:
|
||
Nicolas Schier
|
7ed9d1318c |
kbuild: Use $(obj)/%.cc to fix host C++ module builds
Use $(obj)/ instead of $(src)/ prefix when building C++ modules for host, as explained in commit |
||
Masahiro Yamada
|
8d1001f7bd |
kbuild: rpm-pkg: fix build error with CONFIG_MODULES=n
When CONFIG_MODULES is disabled, 'make (bin)rpm-pkg' fails:
$ make allnoconfig binrpm-pkg
[ snip ]
error: File not found: .../linux/rpmbuild/BUILDROOT/kernel-6.10.0_rc3-1.i386/lib/modules/6.10.0-rc3/kernel
error: File not found: .../linux/rpmbuild/BUILDROOT/kernel-6.10.0_rc3-1.i386/lib/modules/6.10.0-rc3/modules.order
To make it work irrespective of CONFIG_MODULES, this commit specifies
the directory path, /lib/modules/%{KERNELRELEASE}, instead of individual
files.
However, doing so would cause new warnings:
warning: File listed twice: /lib/modules/6.10.0-rc3-dirty/modules.alias
warning: File listed twice: /lib/modules/6.10.0-rc3-dirty/modules.alias.bin
warning: File listed twice: /lib/modules/6.10.0-rc3-dirty/modules.builtin.alias.bin
warning: File listed twice: /lib/modules/6.10.0-rc3-dirty/modules.builtin.bin
warning: File listed twice: /lib/modules/6.10.0-rc3-dirty/modules.dep
warning: File listed twice: /lib/modules/6.10.0-rc3-dirty/modules.dep.bin
warning: File listed twice: /lib/modules/6.10.0-rc3-dirty/modules.devname
warning: File listed twice: /lib/modules/6.10.0-rc3-dirty/modules.softdep
warning: File listed twice: /lib/modules/6.10.0-rc3-dirty/modules.symbols
warning: File listed twice: /lib/modules/6.10.0-rc3-dirty/modules.symbols.bin
These files exist in /lib/modules/%{KERNELRELEASE} and are also explicitly
marked as %ghost.
Suppress depmod because depmod-generated files are not packaged.
Fixes:
|
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Thayne Harbaugh
|
c615665389 |
kbuild: Fix build target deb-pkg: ln: failed to create hard link
The make deb-pkg target calls debian-orig which attempts to either
hard link the source .tar to the build-output location or copy the
source .tar to the build-output location. The test to determine
whether to ln or cp is incorrectly expanded by Make and consequently
always attempts to ln the source .tar. This fix corrects the escaping
of '$' so that the test is expanded by the shell rather than by Make
and appropriately selects between ln and cp.
Fixes:
|
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Dragan Simic
|
9cc5f3bf63 |
kbuild: Install dtb files as 0644 in Makefile.dtbinst
The compiled dtb files aren't executable, so install them with 0644 as their
permission mode, instead of defaulting to 0755 for the permission mode and
installing them with the executable bits set.
Some Linux distributions, including Debian, [1][2][3] already include fixes
in their kernel package build recipes to change the dtb file permissions to
0644 in their kernel packages. These changes, when additionally propagated
into the long-term kernel versions, will allow such distributions to remove
their downstream fixes.
[1] https://salsa.debian.org/kernel-team/linux/-/merge_requests/642
[2] https://salsa.debian.org/kernel-team/linux/-/merge_requests/749
[3] https://salsa.debian.org/kernel-team/linux/-/blob/debian/6.8.12-1/debian/rules.real#L193
Cc: Diederik de Haas <didi.debian@cknow.org>
Cc: <stable@vger.kernel.org>
Fixes:
|
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Linus Torvalds
|
329f70c5be |
Kbuild fixes for v6.10 (second)
- Fix the initial state of the save button in 'make gconfig' - Improve the Kconfig documentation - Fix a Kconfig bug regarding property visibility - Fix build breakage for systems where 'sed' is not installed in /bin - Fix a false warning about missing MODULE_DESCRIPTION() -----BEGIN PGP SIGNATURE----- iQJJBAABCgAzFiEEbmPs18K1szRHjPqEPYsBB53g2wYFAmZkjoAVHG1hc2FoaXJv eUBrZXJuZWwub3JnAAoJED2LAQed4NsGEQgQAI6724AWOTd5pAkTxSGxNdzl12NB fzk3Sh/r1448QmzpXUbeGONHVXhwBRipl2oAZVwo/8YgwHOqUlAp/73GYD4ryz6P WCMHhVQ++yYSx9H1XvZ1hMM6RZI9hnBxk7KfSu+OYbg49shEq6MpToKBD8N/Fdlm HEmJWZXtGvANsxItRMpcZ1zHxYEDKcFmmyTc7vWEK929FLg0WAxj15C0vT+RAGs3 byLsGsg84g/K3FNIjobXnBhKSV2qDbl0si+1T1DGmAHu2i/6i2bin6qqKt9P+CAa DY8GQfP07VdO/HPVUsCC2AxiNIsPycTPwF+1H0UGSNX8J3xguzdtwkNdn4dxenrn vV8JWyCyr2oMdhxlV9NmO5e7xWcg6c1gYJas8ilMmqCotV2NddY8EMLA3ta+/73n 0Qvqiixy4J2K/8bNlHoDkn+Xnm82qcyU2w4qTB7+TUjYx/jsr+gnXYFqQBgjXQF8 DGiyFhqGv5rd/dWoeKmSAhWjmOwOCXtx3T4s/PTpN+FIC+rMSX6l7lIrMBSiaTfM gLnytpUXdfSMUv071cqo/bizelLG44x8M8qv0+b/WaKO9U7YxwqxBMOyTzBwgnRB VGdEpROK/8FlKtRpk38AS884kn/1RStzjy868nvmmEZ582jO9FlqFMfK6sxD7uP1 GOnXYcgDIKqmIROA =RzRM -----END PGP SIGNATURE----- Merge tag 'kbuild-fixes-v6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - Fix the initial state of the save button in 'make gconfig' - Improve the Kconfig documentation - Fix a Kconfig bug regarding property visibility - Fix build breakage for systems where 'sed' is not installed in /bin - Fix a false warning about missing MODULE_DESCRIPTION() * tag 'kbuild-fixes-v6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: modpost: do not warn about missing MODULE_DESCRIPTION() for vmlinux.o kbuild: explicitly run mksysmap as sed script from link-vmlinux.sh kconfig: remove wrong expr_trans_bool() kconfig: doc: document behavior of 'select' and 'imply' followed by 'if' kconfig: doc: fix a typo in the note about 'imply' kconfig: gconf: give a proper initial state to the Save button kconfig: remove unneeded code for user-supplied values being out of range |
||
|
Masahiro Yamada
|
9185afeac2 |
modpost: do not warn about missing MODULE_DESCRIPTION() for vmlinux.o
Building with W=1 incorrectly emits the following warning:
WARNING: modpost: missing MODULE_DESCRIPTION() in vmlinux.o
This check should apply only to modules.
Fixes:
|
||
Richard Acayan
|
96c965667b |
kbuild: explicitly run mksysmap as sed script from link-vmlinux.sh
In commit |
||
|
Masahiro Yamada
|
77a92660d8 |
kconfig: remove wrong expr_trans_bool()
expr_trans_bool() performs an incorrect transformation.
[Test Code]
config MODULES
def_bool y
modules
config A
def_bool y
select C if B != n
config B
def_tristate m
config C
tristate
[Result]
CONFIG_MODULES=y
CONFIG_A=y
CONFIG_B=m
CONFIG_C=m
This output is incorrect because CONFIG_C=y is expected.
Documentation/kbuild/kconfig-language.rst clearly explains the function
of the '!=' operator:
If the values of both symbols are equal, it returns 'n',
otherwise 'y'.
Therefore, the statement:
select C if B != n
should be equivalent to:
select C if y
Or, more simply:
select C
Hence, the symbol C should be selected by the value of A, which is 'y'.
However, expr_trans_bool() wrongly transforms it to:
select C if B
Therefore, the symbol C is selected by (A && B), which is 'm'.
The comment block of expr_trans_bool() correctly explains its intention:
* bool FOO!=n => FOO
^^^^
If FOO is bool, FOO!=n can be simplified into FOO. This is correct.
However, the actual code performs this transformation when FOO is
tristate:
if (e->left.sym->type == S_TRISTATE) {
^^^^^^^^^^
While it can be fixed to S_BOOLEAN, there is no point in doing so
because expr_tranform() already transforms FOO!=n to FOO when FOO is
bool. (see the "case E_UNEQUAL" part)
expr_trans_bool() is wrong and unnecessary.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
|
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|
Masahiro Yamada
|
46edf4372e |
kconfig: gconf: give a proper initial state to the Save button
Currently, the initial state of the "Save" button is always active. If none of the CONFIG options are changed while loading the .config file, the "Save" button should be greyed out. This can be fixed by calling conf_read() after widget initialization. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
||
|
Masahiro Yamada
|
c181689bc4 |
kconfig: remove unneeded code for user-supplied values being out of range
This is a leftover from commit
|
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Carlos Llamas
|
f92a59f6d1 |
locking/atomic: scripts: fix ${atomic}_sub_and_test() kerneldoc
For ${atomic}_sub_and_test() the @i parameter is the value to subtract,
not add. Fix the typo in the kerneldoc template and generate the headers
with this update.
Fixes:
|
||
Rob Herring (Arm)
|
1b1c9f0fd3 |
dt-bindings: kbuild: Fix dt_binding_check on unconfigured build
The 'dt_binding_check' target shouldn't depend on the kernel configuration, but it has since commit |
||
Chen-Yu Tsai
|
e06a698ae6 |
scripts/make_fit: Drop fdt image entry compatible string
According to the FIT image source file format document found in U-boot [1]
and the split-out FIT image specification [2], under "'/images' node" ->
"Conditionally mandatory property", the "compatible" property is described
as "compatible method for loading image", i.e., not the compatible string
embedded in the FDT or used for matching.
Drop the compatible string from the fdt image entry node.
While at it also fix up a typo in the document section of output_dtb.
[1] U-boot source "doc/usage/fit/source_file_format.rst", or on the website:
https://docs.u-boot.org/en/latest/usage/fit/source_file_format.html
[2] https://github.com/open-source-firmware/flat-image-tree/blob/main/source/chapter2-source-file-format.rst
Fixes:
|
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|
Masahiro Yamada
|
3c562a70cf |
kbuild: remove a stale comment about cleaning in link-vmlinux.sh
Remove the left-over of commit
|
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|
Masahiro Yamada
|
3430f65d61 |
kbuild: fix short log for AS in link-vmlinux.sh
In convention, short logs print the output file, not the input file. Let's change the suffix for 'AS' since it assembles *.S into *.o. [Before] LD .tmp_vmlinux.kallsyms1 NM .tmp_vmlinux.kallsyms1.syms KSYMS .tmp_vmlinux.kallsyms1.S AS .tmp_vmlinux.kallsyms1.S LD .tmp_vmlinux.kallsyms2 NM .tmp_vmlinux.kallsyms2.syms KSYMS .tmp_vmlinux.kallsyms2.S AS .tmp_vmlinux.kallsyms2.S LD vmlinux [After] LD .tmp_vmlinux.kallsyms1 NM .tmp_vmlinux.kallsyms1.syms KSYMS .tmp_vmlinux.kallsyms1.S AS .tmp_vmlinux.kallsyms1.o LD .tmp_vmlinux.kallsyms2 NM .tmp_vmlinux.kallsyms2.syms KSYMS .tmp_vmlinux.kallsyms2.S AS .tmp_vmlinux.kallsyms2.o LD vmlinux Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
||
|
Masahiro Yamada
|
b18b047002 |
kbuild: change scripts/mksysmap into sed script
The previous commit removed the subshell execution from scripts/mksysmap, which is now simple enough to become a sed script. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
||
|
Masahiro Yamada
|
04b8cb0945 |
kbuild: avoid unneeded kallsyms step 3
Since commit |
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Douglas Anderson
|
659bbf7e1b |
kbuild: scripts/gdb: Replace missed $(srctree)/$(src) w/ $(src)
Recently we went through the source tree and replaced
$(srctree)/$(src) w/ $(src). However, the gdb scripts Makefile had a
hidden $(srctree)/$(src) that looked like this:
$(abspath $(srctree))/$(src)
Because we missed that then my installed kernel had symlinks that
looked like this:
__init__.py ->
${INSTALL_DIR}/$(INSTALL_DIR}/scripts/gdb/linux/__init__.py
Let's also replace the midden $(abspath $(srctree))/$(src) with
$(src). Now:
__init__.py ->
$(INSTALL_DIR}/scripts/gdb/linux/__init__.py
Fixes:
|
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|
Masahiro Yamada
|
31894d35b5 |
kconfig: remove redundant check in expr_join_or()
The check for 'sym1 == sym2' is redundant here because it has already
been done a few lines above:
if (sym1 != sym2)
return NULL;
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
|
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|
Masahiro Yamada
|
aabdc960a2 |
kconfig: fix comparison to constant symbols, 'm', 'n'
Currently, comparisons to 'm' or 'n' result in incorrect output.
[Test Code]
config MODULES
def_bool y
modules
config A
def_tristate m
config B
def_bool A > n
CONFIG_B is unset, while CONFIG_B=y is expected.
The reason for the issue is because Kconfig compares the tristate values
as strings.
Currently, the .type fields in the constant symbol definitions,
symbol_{yes,mod,no} are unspecified, i.e., S_UNKNOWN.
When expr_calc_value() evaluates 'A > n', it checks the types of 'A' and
'n' to determine how to compare them.
The left-hand side, 'A', is a tristate symbol with a value of 'm', which
corresponds to a numeric value of 1. (Internally, 'y', 'm', and 'n' are
represented as 2, 1, and 0, respectively.)
The right-hand side, 'n', has an unknown type, so it is treated as the
string "n" during the comparison.
expr_calc_value() compares two values numerically only when both can
have numeric values. Otherwise, they are compared as strings.
symbol numeric value ASCII code
-------------------------------------
y 2 0x79
m 1 0x6d
n 0 0x6e
'm' is greater than 'n' if compared numerically (since 1 is greater
than 0), but smaller than 'n' if compared as strings (since the ASCII
code 0x6d is smaller than 0x6e).
Specifying .type=S_TRISTATE for symbol_{yes,mod,no} fixes the above
test code.
Doing so, however, would cause a regression to the following test code.
[Test Code 2]
config MODULES
def_bool n
modules
config A
def_tristate n
config B
def_bool A = m
You would get CONFIG_B=y, while CONFIG_B should not be set.
The reason is because sym_get_string_value() turns 'm' into 'n' when the
module feature is disabled. Consequently, expr_calc_value() evaluates
'A = n' instead of 'A = m'. This oddity has been hidden because the type
of 'm' was previously S_UNKNOWN instead of S_TRISTATE.
sym_get_string_value() should not tweak the string because the tristate
value has already been correctly calculated. There is no reason to
return the string "n" where its tristate value is mod.
Fixes:
|
||
|
Masahiro Yamada
|
a607468b52 |
kconfig: remove unused expr_is_no()
This has not been used since commit
|
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|
Linus Torvalds
|
c760b3725e |
- A series ("kbuild: enable more warnings by default") from Arnd
Bergmann which enables a number of additional build-time warnings. We
fixed all the fallout which we could find, there may still be a few
stragglers.
- Samuel Holland has developed the series "Unified cross-architecture
kernel-mode FPU API". This does a lot of consolidation of
per-architecture kernel-mode FPU usage and enables the use of newer AMD
GPUs on RISC-V.
- Tao Su has fixed some selftests build warnings in the series
"Selftests: Fix compilation warnings due to missing _GNU_SOURCE
definition".
- This pull also includes a nilfs2 fixup from Ryusuke Konishi.
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Merge tag 'mm-nonmm-stable-2024-05-22-17-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull more non-mm updates from Andrew Morton:
- A series ("kbuild: enable more warnings by default") from Arnd
Bergmann which enables a number of additional build-time warnings. We
fixed all the fallout which we could find, there may still be a few
stragglers.
- Samuel Holland has developed the series "Unified cross-architecture
kernel-mode FPU API". This does a lot of consolidation of
per-architecture kernel-mode FPU usage and enables the use of newer
AMD GPUs on RISC-V.
- Tao Su has fixed some selftests build warnings in the series
"Selftests: Fix compilation warnings due to missing _GNU_SOURCE
definition".
- This pull also includes a nilfs2 fixup from Ryusuke Konishi.
* tag 'mm-nonmm-stable-2024-05-22-17-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (23 commits)
nilfs2: make block erasure safe in nilfs_finish_roll_forward()
selftests/harness: use 1024 in place of LINE_MAX
Revert "selftests/harness: remove use of LINE_MAX"
selftests/fpu: allow building on other architectures
selftests/fpu: move FP code to a separate translation unit
drm/amd/display: use ARCH_HAS_KERNEL_FPU_SUPPORT
drm/amd/display: only use hard-float, not altivec on powerpc
riscv: add support for kernel-mode FPU
x86: implement ARCH_HAS_KERNEL_FPU_SUPPORT
powerpc: implement ARCH_HAS_KERNEL_FPU_SUPPORT
LoongArch: implement ARCH_HAS_KERNEL_FPU_SUPPORT
lib/raid6: use CC_FLAGS_FPU for NEON CFLAGS
arm64: crypto: use CC_FLAGS_FPU for NEON CFLAGS
arm64: implement ARCH_HAS_KERNEL_FPU_SUPPORT
ARM: crypto: use CC_FLAGS_FPU for NEON CFLAGS
ARM: implement ARCH_HAS_KERNEL_FPU_SUPPORT
arch: add ARCH_HAS_KERNEL_FPU_SUPPORT
x86/fpu: fix asm/fpu/types.h include guard
kbuild: enable -Wcast-function-type-strict unconditionally
kbuild: enable -Wformat-truncation on clang
...
|
||
|
Linus Torvalds
|
5f16eb0549 |
Char/Misc and other driver subsystem changes for 6.10-rc1
Here is the big set of char/misc and other driver subsystem updates for
6.10-rc1. Nothing major here, just lots of new drivers and updates for
apis and new hardware types. Included in here are:
- big IIO driver updates with more devices and drivers added
- fpga driver updates
- hyper-v driver updates
- uio_pruss driver removal, no one uses it, other drivers control the
same hardware now
- binder minor updates
- mhi driver updates
- excon driver updates
- counter driver updates
- accessability driver updates
- coresight driver updates
- other hwtracing driver updates
- nvmem driver updates
- slimbus driver updates
- spmi driver updates
- other smaller misc and char driver updates
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc and other driver subsystem updates from Greg KH:
"Here is the big set of char/misc and other driver subsystem updates
for 6.10-rc1. Nothing major here, just lots of new drivers and updates
for apis and new hardware types. Included in here are:
- big IIO driver updates with more devices and drivers added
- fpga driver updates
- hyper-v driver updates
- uio_pruss driver removal, no one uses it, other drivers control the
same hardware now
- binder minor updates
- mhi driver updates
- excon driver updates
- counter driver updates
- accessability driver updates
- coresight driver updates
- other hwtracing driver updates
- nvmem driver updates
- slimbus driver updates
- spmi driver updates
- other smaller misc and char driver updates
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (319 commits)
misc: ntsync: mark driver as "broken" to prevent from building
spmi: pmic-arb: Add multi bus support
spmi: pmic-arb: Register controller for bus instead of arbiter
spmi: pmic-arb: Make core resources acquiring a version operation
spmi: pmic-arb: Make the APID init a version operation
spmi: pmic-arb: Fix some compile warnings about members not being described
dt-bindings: spmi: Deprecate qcom,bus-id
dt-bindings: spmi: Add X1E80100 SPMI PMIC ARB schema
spmi: pmic-arb: Replace three IS_ERR() calls by null pointer checks in spmi_pmic_arb_probe()
spmi: hisi-spmi-controller: Do not override device identifier
dt-bindings: spmi: hisilicon,hisi-spmi-controller: clean up example
dt-bindings: spmi: hisilicon,hisi-spmi-controller: fix binding references
spmi: make spmi_bus_type const
extcon: adc-jack: Document missing struct members
extcon: realtek: Remove unused of_gpio.h
extcon: usbc-cros-ec: Convert to platform remove callback returning void
extcon: usb-gpio: Convert to platform remove callback returning void
extcon: max77843: Convert to platform remove callback returning void
extcon: max3355: Convert to platform remove callback returning void
extcon: intel-mrfld: Convert to platform remove callback returning void
...
|
||
|
Linus Torvalds
|
7eae27cd12 |
- Fix-ups
- FB Backlight interaction overhaul
- Remove superfluous code and simplify overall
- Constify various structs and struct attributes
- Bug Fixes
- Repair LED flickering
- Fix signedness bugs
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Merge tag 'backlight-next-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
"Fix-ups:
- FB Backlight interaction overhaul
- Remove superfluous code and simplify overall
- Constify various structs and struct attributes
Bug Fixes:
- Repair LED flickering
- Fix signedness bugs"
* tag 'backlight-next-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight: (42 commits)
backlight: sky81452-backlight: Remove unnecessary call to of_node_get()
backlight: mp3309c: Fix LEDs flickering in PWM mode
backlight: otm3225a: Drop driver owner assignment
backlight: lp8788: Drop support for platform data
backlight: lcd: Make lcd_class constant
backlight: Make backlight_class constant
backlight: mp3309c: Fix signedness bug in mp3309c_parse_fwnode()
const_structs.checkpatch: add lcd_ops
fbdev: omap: lcd_ams_delta: Constify lcd_ops
fbdev: imx: Constify lcd_ops
fbdev: clps711x: Constify lcd_ops
HID: picoLCD: Constify lcd_ops
backlight: tdo24m: Constify lcd_ops
backlight: platform_lcd: Constify lcd_ops
backlight: otm3225a: Constify lcd_ops
backlight: ltv350qv: Constify lcd_ops
backlight: lms501kf03: Constify lcd_ops
backlight: lms283gf05: Constify lcd_ops
backlight: l4f00242t03: Constify lcd_ops
backlight: jornada720_lcd: Constify lcd_ops
...
|
||
|
Linus Torvalds
|
0bfbc914d9 |
RISC-V Patches for the 6.10 Merge Window, Part 1
* Support for byte/half-word compare-and-exchange, emulated via LR/SC
loops.
* Support for Rust.
* Support for Zihintpause in hwprobe.
* Support for the PR_RISCV_SET_ICACHE_FLUSH_CTX prctl().
* Support for lockless lockrefs.
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Merge tag 'riscv-for-linus-6.10-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
- Add byte/half-word compare-and-exchange, emulated via LR/SC loops
- Support for Rust
- Support for Zihintpause in hwprobe
- Add PR_RISCV_SET_ICACHE_FLUSH_CTX prctl()
- Support lockless lockrefs
* tag 'riscv-for-linus-6.10-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (42 commits)
riscv: defconfig: Enable CONFIG_CLK_SOPHGO_CV1800
riscv: select ARCH_HAS_FAST_MULTIPLIER
riscv: mm: still create swiotlb buffer for kmalloc() bouncing if required
riscv: Annotate pgtable_l{4,5}_enabled with __ro_after_init
riscv: Remove redundant CONFIG_64BIT from pgtable_l{4,5}_enabled
riscv: mm: Always use an ASID to flush mm contexts
riscv: mm: Preserve global TLB entries when switching contexts
riscv: mm: Make asid_bits a local variable
riscv: mm: Use a fixed layout for the MM context ID
riscv: mm: Introduce cntx2asid/cntx2version helper macros
riscv: Avoid TLB flush loops when affected by SiFive CIP-1200
riscv: Apply SiFive CIP-1200 workaround to single-ASID sfence.vma
riscv: mm: Combine the SMP and UP TLB flush code
riscv: Only send remote fences when some other CPU is online
riscv: mm: Broadcast kernel TLB flushes only when needed
riscv: Use IPIs for remote cache/TLB flushes by default
riscv: Factor out page table TLB synchronization
riscv: Flush the instruction cache during SMP bringup
riscv: hwprobe: export Zihintpause ISA extension
riscv: misaligned: remove CONFIG_RISCV_M_MODE specific code
...
|
||
|
Linus Torvalds
|
4f05e82003 |
LoongArch changes for v6.10
1, Select some options in Kconfig; 2, Give a chance to build with !CONFIG_SMP; 3, Switch to use built-in rustc target; 4, Add new supported device nodes to dts; 5, Some bug fixes and other small changes; 6, Update the default config file. -----BEGIN PGP SIGNATURE----- iQJKBAABCAA0FiEEzOlt8mkP+tbeiYy5AoYrw/LiJnoFAmZKCycWHGNoZW5odWFj YWlAa2VybmVsLm9yZwAKCRAChivD8uImeoXWD/9pFhbbJj49T1xiwc2j/XgQL8HI s88/h4z5AXEbHFO8XIG1Cpw/Z3a1DsCiWBsOkCogagILzYuN0r7UqcrI02ZoeY6N fbuDatB3i+hJWCBzcl1HPkFy/9av4j4EktZs0+X/wVgKkd0aIh78qs8+1RwKhshf FoOv+cMu7zFS8Jrt+w16diNCY1JsDv7TCkCVhvJxAodrtGg4oo2NPfrGOrKAP8Dq LClvFEqDcXq1kKcipw3Q7BwDlBpJEvLZ0iAl19BnLAmBzI3Wfze9ouoYv8WiUyaY br0GPShGf16I3DKtTdHsHH/zmayQ7JSmFzZ9JEHzcBrE4AprfWLuwsUjd2WXDD6U wK+p4tWd0AUFf+/h4u1yQB9/rlt+JZ2ny/A2u4YR/BPtthiYqp8SDSH62vpCSFOE dByDeTbfjTdJsWr+bsI2gOO0sVwDYpph9SJfAyBn4miKw7v8w+2rI1oqo/ZQkP59 0SczM9C9jzpgXSGDc4yQbnqoA4KA9U6zljd12mYL5HV/AjhD19va3FmENgByZUuE Z7A0RZsiU5T401xEZiOUhwzy9m/USc1O2ivCmeowx9kP/gWic0KeAsmlMiro0jeR y9jthci8iOgjjLmCEVC06GWGUojP2roXI/38We6enVevy2GXbEEDRa1QGbQ5ndoJ MEPm4NvW1wsBgWIYmg== =WR15 -----END PGP SIGNATURE----- Merge tag 'loongarch-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson Pull LoongArch updates from Huacai Chen: - Select some options in Kconfig - Give a chance to build with !CONFIG_SMP - Switch to use built-in rustc target - Add new supported device nodes to dts - Some bug fixes and other small changes - Update the default config file * tag 'loongarch-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: LoongArch: Update Loongson-3 default config file LoongArch: dts: Add new supported device nodes to Loongson-2K2000 LoongArch: dts: Add new supported device nodes to Loongson-2K0500 LoongArch: dts: Remove "disabled" state of clock controller node LoongArch: rust: Switch to use built-in rustc target LoongArch: Fix callchain parse error with kernel tracepoint events again LoongArch: Give a chance to build with !CONFIG_SMP LoongArch: Select THP_SWAP if HAVE_ARCH_TRANSPARENT_HUGEPAGE LoongArch: Select ARCH_WANT_DEFAULT_BPF_JIT LoongArch: Select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 LoongArch: Select ARCH_HAS_FAST_MULTIPLIER |
||
|
Linus Torvalds
|
2a8120d7b4 |
more s390 updates for 6.10 merge window
- Switch read and write software bits for PUDs - Add missing hardware bits for PUDs and PMDs - Generate unwind information for C modules to fix GDB unwind error for vDSO functions - Create .build-id links for unstripped vDSO files to enable vDSO debugging with symbols - Use standard stack frame layout for vDSO generated stack frames to manually walk stack frames without DWARF information - Rework perf_callchain_user() and arch_stack_walk_user() functions to reduce code duplication - Skip first stack frame when walking user stack - Add basic checks to identify invalid instruction pointers when walking stack frames - Introduce and use struct stack_frame_vdso_wrapper within vDSO user wrapper code to automatically generate an asm-offset define. Also use STACK_FRAME_USER_OVERHEAD instead of STACK_FRAME_OVERHEAD to document that the code works with user space stack - Clear the backchain of the extra stack frame added by the vDSO user wrapper code. This allows the user stack walker to detect and skip the non-standard stack frame. Without this an incorrect instruction pointer would be added to stack traces. - Rewrite psw_idle() function in C to ease maintenance and further enhancements - Remove get_vtimer() function and use get_cpu_timer() instead - Mark psw variable in __load_psw_mask() as __unitialized to avoid superfluous clearing of PSW - Remove obsolete and superfluous comment about removed TIF_FPU flag - Replace memzero_explicit() and kfree() with kfree_sensitive() to fix warnings reported by Coccinelle - Wipe sensitive data and all copies of protected- or secure-keys from stack when an IOCTL fails - Both do_airq_interrupt() and do_io_interrupt() functions set CIF_NOHZ_DELAY flag. Move it in do_io_irq() to simplify the code - Provide iucv_alloc_device() and iucv_release_device() helpers, which can be used to deduplicate more or less identical IUCV device allocation and release code in four different drivers - Make use of iucv_alloc_device() and iucv_release_device() helpers to get rid of quite some code and also remove a cast to an incompatible function (clang W=1) - There is no user of iucv_root outside of the core IUCV code left. Therefore remove the EXPORT_SYMBOL - __apply_alternatives() contains a runtime check which verifies that the size of the to be patched code area is even. Convert this to a compile time check - Increase size of buffers for sending z/VM CP DIAGNOSE X'008' commands from 128 to 240 - Do not accept z/VM CP DIAGNOSE X'008' commands longer than maximally allowed - Use correct defines IPL_BP_NVME_LEN and IPL_BP0_NVME_LEN instead of IPL_BP_FCP_LEN and IPL_BP0_FCP_LEN ones to initialize NVMe reIPL block on 'scp_data' sysfs attribute update - Initialize the correct fields of the NVMe dump block, which were confused with FCP fields - Refactor macros for 'scp_data' (re-)IPL sysfs attribute to reduce code duplication - Introduce 'scp_data' sysfs attribute for dump IPL to allow tools such as dumpconf passing additional kernel command line parameters to a stand-alone dumper - Rework the CPACF query functions to use the correct RRE or RRF instruction formats and set instruction register fields correctly - Instead of calling BUG() at runtime force a link error during compile when a unsupported opcode is used with __cpacf_query() or __cpacf_check_opcode() functions - Fix a crash in ap_parse_bitmap_str() function on /sys/bus/ap/apmask or /sys/bus/ap/aqmask sysfs file update with a relative mask value - Fix "bindings complete" udev event which should be sent once all AP devices have been bound to device drivers and again when unbind/bind actions take place and all AP devices are bound again - Facility list alt_stfle_fac_list is nowhere used in the decompressor, therefore remove it there - Remove custom kprobes insn slot allocator in favour of the standard module_alloc() one, since kernel image and module areas are located within 4GB - Use kvcalloc() instead of kvmalloc_array() in zcrypt driver to avoid calling memset() with a large byte count and get rid of the sparse warning as result -----BEGIN PGP SIGNATURE----- iI0EABYIADUWIQQrtrZiYVkVzKQcYivNdxKlNrRb8AUCZkyx2BccYWdvcmRlZXZA bGludXguaWJtLmNvbQAKCRDNdxKlNrRb8PYZAP9KxEfTyUmIh61Gx8+m3BW5dy7p E2Q8yotlUpGj49ul+AD8CEAyTiWR95AlMOVZZLV/0J7XIjhALvpKAGfiJWkvXgc= =pife -----END PGP SIGNATURE----- Merge tag 's390-6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull more s390 updates from Alexander Gordeev: - Switch read and write software bits for PUDs - Add missing hardware bits for PUDs and PMDs - Generate unwind information for C modules to fix GDB unwind error for vDSO functions - Create .build-id links for unstripped vDSO files to enable vDSO debugging with symbols - Use standard stack frame layout for vDSO generated stack frames to manually walk stack frames without DWARF information - Rework perf_callchain_user() and arch_stack_walk_user() functions to reduce code duplication - Skip first stack frame when walking user stack - Add basic checks to identify invalid instruction pointers when walking stack frames - Introduce and use struct stack_frame_vdso_wrapper within vDSO user wrapper code to automatically generate an asm-offset define. Also use STACK_FRAME_USER_OVERHEAD instead of STACK_FRAME_OVERHEAD to document that the code works with user space stack - Clear the backchain of the extra stack frame added by the vDSO user wrapper code. This allows the user stack walker to detect and skip the non-standard stack frame. Without this an incorrect instruction pointer would be added to stack traces. - Rewrite psw_idle() function in C to ease maintenance and further enhancements - Remove get_vtimer() function and use get_cpu_timer() instead - Mark psw variable in __load_psw_mask() as __unitialized to avoid superfluous clearing of PSW - Remove obsolete and superfluous comment about removed TIF_FPU flag - Replace memzero_explicit() and kfree() with kfree_sensitive() to fix warnings reported by Coccinelle - Wipe sensitive data and all copies of protected- or secure-keys from stack when an IOCTL fails - Both do_airq_interrupt() and do_io_interrupt() functions set CIF_NOHZ_DELAY flag. Move it in do_io_irq() to simplify the code - Provide iucv_alloc_device() and iucv_release_device() helpers, which can be used to deduplicate more or less identical IUCV device allocation and release code in four different drivers - Make use of iucv_alloc_device() and iucv_release_device() helpers to get rid of quite some code and also remove a cast to an incompatible function (clang W=1) - There is no user of iucv_root outside of the core IUCV code left. Therefore remove the EXPORT_SYMBOL - __apply_alternatives() contains a runtime check which verifies that the size of the to be patched code area is even. Convert this to a compile time check - Increase size of buffers for sending z/VM CP DIAGNOSE X'008' commands from 128 to 240 - Do not accept z/VM CP DIAGNOSE X'008' commands longer than maximally allowed - Use correct defines IPL_BP_NVME_LEN and IPL_BP0_NVME_LEN instead of IPL_BP_FCP_LEN and IPL_BP0_FCP_LEN ones to initialize NVMe reIPL block on 'scp_data' sysfs attribute update - Initialize the correct fields of the NVMe dump block, which were confused with FCP fields - Refactor macros for 'scp_data' (re-)IPL sysfs attribute to reduce code duplication - Introduce 'scp_data' sysfs attribute for dump IPL to allow tools such as dumpconf passing additional kernel command line parameters to a stand-alone dumper - Rework the CPACF query functions to use the correct RRE or RRF instruction formats and set instruction register fields correctly - Instead of calling BUG() at runtime force a link error during compile when a unsupported opcode is used with __cpacf_query() or __cpacf_check_opcode() functions - Fix a crash in ap_parse_bitmap_str() function on /sys/bus/ap/apmask or /sys/bus/ap/aqmask sysfs file update with a relative mask value - Fix "bindings complete" udev event which should be sent once all AP devices have been bound to device drivers and again when unbind/bind actions take place and all AP devices are bound again - Facility list alt_stfle_fac_list is nowhere used in the decompressor, therefore remove it there - Remove custom kprobes insn slot allocator in favour of the standard module_alloc() one, since kernel image and module areas are located within 4GB - Use kvcalloc() instead of kvmalloc_array() in zcrypt driver to avoid calling memset() with a large byte count and get rid of the sparse warning as result * tag 's390-6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (39 commits) s390/zcrypt: Use kvcalloc() instead of kvmalloc_array() s390/kprobes: Remove custom insn slot allocator s390/boot: Remove alt_stfle_fac_list from decompressor s390/ap: Fix bind complete udev event sent after each AP bus scan s390/ap: Fix crash in AP internal function modify_bitmap() s390/cpacf: Make use of invalid opcode produce a link error s390/cpacf: Split and rework cpacf query functions s390/ipl: Introduce sysfs attribute 'scp_data' for dump ipl s390/ipl: Introduce macros for (re)ipl sysfs attribute 'scp_data' s390/ipl: Fix incorrect initialization of nvme dump block s390/ipl: Fix incorrect initialization of len fields in nvme reipl block s390/ipl: Do not accept z/VM CP diag X'008' cmds longer than max length s390/ipl: Fix size of vmcmd buffers for sending z/VM CP diag X'008' cmds s390/alternatives: Convert runtime sanity check into compile time check s390/iucv: Unexport iucv_root tty: hvc-iucv: Make use of iucv_alloc_device() s390/smsgiucv_app: Make use of iucv_alloc_device() s390/netiucv: Make use of iucv_alloc_device() s390/vmlogrdr: Make use of iucv_alloc_device() s390/iucv: Provide iucv_alloc_device() / iucv_release_device() ... |
||
|
Linus Torvalds
|
334e5639fc |
m68knommu: updates and fixes for v6.10
. remove use of kernel config option from uapi header -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEmsfM6tQwfNjBOxr3TiQVqaG9L4AFAmZMFsgACgkQTiQVqaG9 L4AykQ//aOs9lTYHzNzbgJ9H+TLWa9EUFRGEpvKVCZQlE/MkjHzXeQhspNRlzjaa Uzs1n0X4DTs9FP1sOz76IlCbFq48YfJJuHd+88psjIB13J5Ov1ELGCGdF9c8Nbk8 G1aDaVTlfD0CAWGL+wdz6aRY0HLBCnq3eA22Ab2TwVrSsmS0d8u9j2GNM/WhyMXe zs7j5219mzR9Q3tqDTgOZ/Bgjk7XmfHKq1CHisYK/4CqR2vEF/LMAcv+7Ct4aYSC lGvGyBrn7k8isCWeVN1rTOaC/CWmCFo9JMgA8xaL719TH95OCcTzgxIXhmMc/VvI 5XQ84T5gUpQp3RaJDhUWwxWosoNV2fOIQqzEdbpBDb1AkEclmdMummwBKISXzQ+Q dz2ccDYb9MkcltdLjxxeqBqcvHSdvKNjHMkxAo6jWacd9UheqT2efkUvmbwlIx/q DkLyOd7niny2eMlxUwT3e3q3tnU1HMwJqwKp6wYGAWsWZ4fRrGuAOS1JA/hTApzY 227CIequJpH4rZ3GaXfRkQ+pxKFoFho+9vnqeOMC8q7lcyRLNmKx3ubspqd65IGn 6lbCq8NsE+v6B0uq6Ehme9HhAzWr1crMIRpyJHZA6SlY+RhoSkTx7oNKLf5/pNOD YJ9HZJ8DMn8siZd68t74l1hgqy0ORK+0WvOYYMJVHHb4kuvp5+E= =9nx3 -----END PGP SIGNATURE----- Merge tag 'm68knommu-for-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu Pull m68knommu update from Greg Ungerer: . remove use of kernel config option from uapi header * tag 'm68knommu-for-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68k: Avoid CONFIG_COLDFIRE switch in uapi header |
||
|
Linus Torvalds
|
8f6a15f095 |
Coccinelle commits for 6.10
One patch slightly improves the text in a comment. The other patch (on minmax.cocci) removes a report about ? being used in return statements that has been generating not very useful suggestions to change idiomatic code. Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEnGZC8gbRfLXdcpA0F+92B3f5RZ0FAmZLtOcACgkQF+92B3f5 RZ3fjBAAhWqPJSWKpORkjMMEil0aO+LknyW9aOPUgEwLLIw3Qhji2/12MRhp0CnG fMBPccXjsdsqRBmmjOTMmN4q0aZk/7s7+MmcZMTwQWS6zYtbiJj/OMdKbghWeiOx kap/HN5u6KEEdYljaOdLanXG8a38+9Wd7RQuxbUCUSHh1RDazcgqkZrZa4VpE6dT oGT6b+35056bZe9s1TvMLOFAAnipF/lm6WJIzIrxKm5HsE8C+UWDorlEQ0LXnsQn vuvGIgiQFVLSskt3hWk/0hbRFByHQ335Cc6umohoOYK9ppVqtQp499AwunQlQq/L fiI3duuAdUPl6VWKBI6C2CaWo1cS2e/JdWnYHiZop5CRYP1S6MY0d3AWOxyE3/KK EiJFi3fce1K6Z95lr9TK29tbc0Bp/ghs8S2ge58eYzcPVd8bEuk0+k7b10gZew8i TniDIduDYvSOhhhFwPfrrapBGmajw572/t+h2W9EBCZhBHmNLk1l+mHBrTP3JhdA 3IFPfjO6FO8ayTM7IEeiQr4EOXqGp/6A4ty/cHlmggdIg+OhyJ5RgUvAktnQeBM2 TApYj+bR45dXxkh0WTLxCSTvsbpvRoF9uhEkFMP9mF+wS3Uq8PRCbsHvW5ujQqrs EocU/3tuED3GMFNVASG77Zkler4UUXUNr3FCKHsDnSYc1Hz6iVg= =EDrr -----END PGP SIGNATURE----- Merge tag 'cocci-for-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux Pull coccinelle updates from Julia Lawall: "One patch slightly improves the text in a comment. The other patch (on minmax.cocci) removes a report about ? being used in return statements that has been generating not very useful suggestions to change idiomatic code" * tag 'cocci-for-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux: Coccinelle: pm_runtime: Fix grammar in comment coccinelle: misc: minmax: Suppress reports for err returns |
||
Thorsten Blum
|
88a1fc21df |
Coccinelle: pm_runtime: Fix grammar in comment
s/does not use unnecessary/do not unnecessarily use/ Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com> Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> |
||
Ricardo Ribalda
|
e4655196e2 |
coccinelle: misc: minmax: Suppress reports for err returns
Most of the people prefer: return ret < 0 ? ret: 0; than: return min(ret, 0); Let's tweak the cocci file to ignore those lines completely. Signed-off-by: Ricardo Ribalda <ribalda@chromium.org> Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> |
||
Arnd Bergmann
|
bd2a70e97a |
kbuild: enable -Wcast-function-type-strict unconditionally
All known function cast warnings are now addressed, so the warning can be enabled globally to catch new ones more quickly. Link: https://lkml.kernel.org/r/20240415122037.1983124-6-arnd@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Kees Cook <keescook@chromium.org> Cc: Masahiro Yamada <masahiroy@kernel.org> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Nicolas Schier <nicolas@fjasle.eu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Arnd Bergmann
|
908dd50827 |
kbuild: enable -Wformat-truncation on clang
This warning option still produces output on gcc but is now clean when building with clang, so enable it conditionally on the compiler for now. As far as I can tell, the remaining warnings with gcc are the result of analysing the code more deeply across inlining, while clang only does this within a function. Link: https://lore.kernel.org/lkml/20240326230511.GA2796782@dev-arch.thelio-3990X/ Link: https://lore.kernel.org/linux-patches/20231002-disable-wformat-truncation-overflow-non-kprintf-v1-1-35179205c8d9@kernel.org/ Link: https://lkml.kernel.org/r/20240415122037.1983124-5-arnd@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Kees Cook <keescook@chromium.org> Cc: Masahiro Yamada <masahiroy@kernel.org> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Nicolas Schier <nicolas@fjasle.eu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Arnd Bergmann
|
06bb7fc0fe |
kbuild: turn on -Wrestrict by default
All known -Wrestrict warnings are addressed now, so don't disable the warning any more. Link: https://lkml.kernel.org/r/20240415122037.1983124-4-arnd@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Kees Cook <keescook@chromium.org> Cc: Masahiro Yamada <masahiroy@kernel.org> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Nicolas Schier <nicolas@fjasle.eu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Arnd Bergmann
|
2c1460d3b4 |
kbuild: remove redundant extra warning flags
There is no point in turning individual options off and then on again, or vice versa, as the last one always wins. Now that -Wextra always gets passed first, remove all the redundant lines about warnings that are implied by either -Wall or -Wextra, and keep only the last one that disables it in some configurations. This should not have any effect but keep the Makefile more readable and the command line shorter. Link: https://lkml.kernel.org/r/20240415122037.1983124-3-arnd@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Kees Cook <keescook@chromium.org> Cc: Masahiro Yamada <masahiroy@kernel.org> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Nicolas Schier <nicolas@fjasle.eu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Arnd Bergmann
|
f5982cceb3 |
kbuild: turn on -Wextra by default
Patch series "kbuild: enable more warnings by default", v3. All the warning fixes I sent for these warnings have been merged into mainline or linux-next, so let's turn them on by default. This patch (of 6): The -Wextra option controls a number of different warnings that differ slightly by compiler version. Some are useful in general, others are better left at W=1 or higher. Based on earlier work, the ones that should be disabled by default are left for the higher warning levels already, and a lot of the useful ones have no remaining output when enabled. Move the -Wextra option up into the set of default-enabled warnings and just rely on the individual ones getting disabled as needed. The -Wunused warning was always grouped with this, so turn it on by default as well, except for the -Wunused-parameter warning that really has no value at all for the kernel since many interfaces have intentionally unused arguments. Link: https://lkml.kernel.org/r/20240415122037.1983124-1-arnd@kernel.org Link: https://lkml.kernel.org/r/20240415122037.1983124-2-arnd@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Nathan Chancellor <nathan@kernel.org> Cc: Kees Cook <keescook@chromium.org> Cc: Masahiro Yamada <masahiroy@kernel.org> Cc: Nicolas Schier <nicolas@fjasle.eu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Linus Torvalds
|
eb6a9339ef |
Mainly singleton patches, documented in their respective changelogs.
Notable series include:
- Some maintenance and performance work for ocfs2 in Heming Zhao's
series "improve write IO performance when fragmentation is high".
- Some ocfs2 bugfixes from Su Yue in the series "ocfs2 bugs fixes
exposed by fstests".
- kfifo header rework from Andy Shevchenko in the series "kfifo: Clean
up kfifo.h".
- GDB script fixes from Florian Rommel in the series "scripts/gdb: Fixes
for $lx_current and $lx_per_cpu".
- After much discussion, a coding-style update from Barry Song
explaining one reason why inline functions are preferred over macros.
The series is "codingstyle: avoid unused parameters for a function-like
macro".
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Merge tag 'mm-nonmm-stable-2024-05-19-11-56' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull non-mm updates from Andrew Morton:
"Mainly singleton patches, documented in their respective changelogs.
Notable series include:
- Some maintenance and performance work for ocfs2 in Heming Zhao's
series "improve write IO performance when fragmentation is high".
- Some ocfs2 bugfixes from Su Yue in the series "ocfs2 bugs fixes
exposed by fstests".
- kfifo header rework from Andy Shevchenko in the series "kfifo:
Clean up kfifo.h".
- GDB script fixes from Florian Rommel in the series "scripts/gdb:
Fixes for $lx_current and $lx_per_cpu".
- After much discussion, a coding-style update from Barry Song
explaining one reason why inline functions are preferred over
macros. The series is "codingstyle: avoid unused parameters for a
function-like macro""
* tag 'mm-nonmm-stable-2024-05-19-11-56' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (62 commits)
fs/proc: fix softlockup in __read_vmcore
nilfs2: convert BUG_ON() in nilfs_finish_roll_forward() to WARN_ON()
scripts: checkpatch: check unused parameters for function-like macro
Documentation: coding-style: ask function-like macros to evaluate parameters
nilfs2: use __field_struct() for a bitwise field
selftests/kcmp: remove unused open mode
nilfs2: remove calls to folio_set_error() and folio_clear_error()
kernel/watchdog_perf.c: tidy up kerneldoc
watchdog: allow nmi watchdog to use raw perf event
watchdog: handle comma separated nmi_watchdog command line
nilfs2: make superblock data array index computation sparse friendly
squashfs: remove calls to set the folio error flag
squashfs: convert squashfs_symlink_read_folio to use folio APIs
scripts/gdb: fix detection of current CPU in KGDB
scripts/gdb: make get_thread_info accept pointers
scripts/gdb: fix parameter handling in $lx_per_cpu
scripts/gdb: fix failing KGDB detection during probe
kfifo: don't use "proxy" headers
media: stih-cec: add missing io.h
media: rc: add missing io.h
...
|
||
|
Linus Torvalds
|
61307b7be4 |
The usual shower of singleton fixes and minor series all over MM,
documented (hopefully adequately) in the respective changelogs. Notable
series include:
- Lucas Stach has provided some page-mapping
cleanup/consolidation/maintainability work in the series "mm/treewide:
Remove pXd_huge() API".
- In the series "Allow migrate on protnone reference with
MPOL_PREFERRED_MANY policy", Donet Tom has optimized mempolicy's
MPOL_PREFERRED_MANY mode, yielding almost doubled performance in one
test.
- In their series "Memory allocation profiling" Kent Overstreet and
Suren Baghdasaryan have contributed a means of determining (via
/proc/allocinfo) whereabouts in the kernel memory is being allocated:
number of calls and amount of memory.
- Matthew Wilcox has provided the series "Various significant MM
patches" which does a number of rather unrelated things, but in largely
similar code sites.
- In his series "mm: page_alloc: freelist migratetype hygiene" Johannes
Weiner has fixed the page allocator's handling of migratetype requests,
with resulting improvements in compaction efficiency.
- In the series "make the hugetlb migration strategy consistent" Baolin
Wang has fixed a hugetlb migration issue, which should improve hugetlb
allocation reliability.
- Liu Shixin has hit an I/O meltdown caused by readahead in a
memory-tight memcg. Addressed in the series "Fix I/O high when memory
almost met memcg limit".
- In the series "mm/filemap: optimize folio adding and splitting" Kairui
Song has optimized pagecache insertion, yielding ~10% performance
improvement in one test.
- Baoquan He has cleaned up and consolidated the early zone
initialization code in the series "mm/mm_init.c: refactor
free_area_init_core()".
- Baoquan has also redone some MM initializatio code in the series
"mm/init: minor clean up and improvement".
- MM helper cleanups from Christoph Hellwig in his series "remove
follow_pfn".
- More cleanups from Matthew Wilcox in the series "Various page->flags
cleanups".
- Vlastimil Babka has contributed maintainability improvements in the
series "memcg_kmem hooks refactoring".
- More folio conversions and cleanups in Matthew Wilcox's series
"Convert huge_zero_page to huge_zero_folio"
"khugepaged folio conversions"
"Remove page_idle and page_young wrappers"
"Use folio APIs in procfs"
"Clean up __folio_put()"
"Some cleanups for memory-failure"
"Remove page_mapping()"
"More folio compat code removal"
- David Hildenbrand chipped in with "fs/proc/task_mmu: convert hugetlb
functions to work on folis".
- Code consolidation and cleanup work related to GUP's handling of
hugetlbs in Peter Xu's series "mm/gup: Unify hugetlb, part 2".
- Rick Edgecombe has developed some fixes to stack guard gaps in the
series "Cover a guard gap corner case".
- Jinjiang Tu has fixed KSM's behaviour after a fork+exec in the series
"mm/ksm: fix ksm exec support for prctl".
- Baolin Wang has implemented NUMA balancing for multi-size THPs. This
is a simple first-cut implementation for now. The series is "support
multi-size THP numa balancing".
- Cleanups to vma handling helper functions from Matthew Wilcox in the
series "Unify vma_address and vma_pgoff_address".
- Some selftests maintenance work from Dev Jain in the series
"selftests/mm: mremap_test: Optimizations and style fixes".
- Improvements to the swapping of multi-size THPs from Ryan Roberts in
the series "Swap-out mTHP without splitting".
- Kefeng Wang has significantly optimized the handling of arm64's
permission page faults in the series
"arch/mm/fault: accelerate pagefault when badaccess"
"mm: remove arch's private VM_FAULT_BADMAP/BADACCESS"
- GUP cleanups from David Hildenbrand in "mm/gup: consistently call it
GUP-fast".
- hugetlb fault code cleanups from Vishal Moola in "Hugetlb fault path to
use struct vm_fault".
- selftests build fixes from John Hubbard in the series "Fix
selftests/mm build without requiring "make headers"".
- Memory tiering fixes/improvements from Ho-Ren (Jack) Chuang in the
series "Improved Memory Tier Creation for CPUless NUMA Nodes". Fixes
the initialization code so that migration between different memory types
works as intended.
- David Hildenbrand has improved follow_pte() and fixed an errant driver
in the series "mm: follow_pte() improvements and acrn follow_pte()
fixes".
- David also did some cleanup work on large folio mapcounts in his
series "mm: mapcount for large folios + page_mapcount() cleanups".
- Folio conversions in KSM in Alex Shi's series "transfer page to folio
in KSM".
- Barry Song has added some sysfs stats for monitoring multi-size THP's
in the series "mm: add per-order mTHP alloc and swpout counters".
- Some zswap cleanups from Yosry Ahmed in the series "zswap same-filled
and limit checking cleanups".
- Matthew Wilcox has been looking at buffer_head code and found the
documentation to be lacking. The series is "Improve buffer head
documentation".
- Multi-size THPs get more work, this time from Lance Yang. His series
"mm/madvise: enhance lazyfreeing with mTHP in madvise_free" optimizes
the freeing of these things.
- Kemeng Shi has added more userspace-visible writeback instrumentation
in the series "Improve visibility of writeback".
- Kemeng Shi then sent some maintenance work on top in the series "Fix
and cleanups to page-writeback".
- Matthew Wilcox reduces mmap_lock traffic in the anon vma code in the
series "Improve anon_vma scalability for anon VMAs". Intel's test bot
reported an improbable 3x improvement in one test.
- SeongJae Park adds some DAMON feature work in the series
"mm/damon: add a DAMOS filter type for page granularity access recheck"
"selftests/damon: add DAMOS quota goal test"
- Also some maintenance work in the series
"mm/damon/paddr: simplify page level access re-check for pageout"
"mm/damon: misc fixes and improvements"
- David Hildenbrand has disabled some known-to-fail selftests ni the
series "selftests: mm: cow: flag vmsplice() hugetlb tests as XFAIL".
- memcg metadata storage optimizations from Shakeel Butt in "memcg:
reduce memory consumption by memcg stats".
- DAX fixes and maintenance work from Vishal Verma in the series
"dax/bus.c: Fixups for dax-bus locking".
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Merge tag 'mm-stable-2024-05-17-19-19' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull mm updates from Andrew Morton:
"The usual shower of singleton fixes and minor series all over MM,
documented (hopefully adequately) in the respective changelogs.
Notable series include:
- Lucas Stach has provided some page-mapping cleanup/consolidation/
maintainability work in the series "mm/treewide: Remove pXd_huge()
API".
- In the series "Allow migrate on protnone reference with
MPOL_PREFERRED_MANY policy", Donet Tom has optimized mempolicy's
MPOL_PREFERRED_MANY mode, yielding almost doubled performance in
one test.
- In their series "Memory allocation profiling" Kent Overstreet and
Suren Baghdasaryan have contributed a means of determining (via
/proc/allocinfo) whereabouts in the kernel memory is being
allocated: number of calls and amount of memory.
- Matthew Wilcox has provided the series "Various significant MM
patches" which does a number of rather unrelated things, but in
largely similar code sites.
- In his series "mm: page_alloc: freelist migratetype hygiene"
Johannes Weiner has fixed the page allocator's handling of
migratetype requests, with resulting improvements in compaction
efficiency.
- In the series "make the hugetlb migration strategy consistent"
Baolin Wang has fixed a hugetlb migration issue, which should
improve hugetlb allocation reliability.
- Liu Shixin has hit an I/O meltdown caused by readahead in a
memory-tight memcg. Addressed in the series "Fix I/O high when
memory almost met memcg limit".
- In the series "mm/filemap: optimize folio adding and splitting"
Kairui Song has optimized pagecache insertion, yielding ~10%
performance improvement in one test.
- Baoquan He has cleaned up and consolidated the early zone
initialization code in the series "mm/mm_init.c: refactor
free_area_init_core()".
- Baoquan has also redone some MM initializatio code in the series
"mm/init: minor clean up and improvement".
- MM helper cleanups from Christoph Hellwig in his series "remove
follow_pfn".
- More cleanups from Matthew Wilcox in the series "Various
page->flags cleanups".
- Vlastimil Babka has contributed maintainability improvements in the
series "memcg_kmem hooks refactoring".
- More folio conversions and cleanups in Matthew Wilcox's series:
"Convert huge_zero_page to huge_zero_folio"
"khugepaged folio conversions"
"Remove page_idle and page_young wrappers"
"Use folio APIs in procfs"
"Clean up __folio_put()"
"Some cleanups for memory-failure"
"Remove page_mapping()"
"More folio compat code removal"
- David Hildenbrand chipped in with "fs/proc/task_mmu: convert
hugetlb functions to work on folis".
- Code consolidation and cleanup work related to GUP's handling of
hugetlbs in Peter Xu's series "mm/gup: Unify hugetlb, part 2".
- Rick Edgecombe has developed some fixes to stack guard gaps in the
series "Cover a guard gap corner case".
- Jinjiang Tu has fixed KSM's behaviour after a fork+exec in the
series "mm/ksm: fix ksm exec support for prctl".
- Baolin Wang has implemented NUMA balancing for multi-size THPs.
This is a simple first-cut implementation for now. The series is
"support multi-size THP numa balancing".
- Cleanups to vma handling helper functions from Matthew Wilcox in
the series "Unify vma_address and vma_pgoff_address".
- Some selftests maintenance work from Dev Jain in the series
"selftests/mm: mremap_test: Optimizations and style fixes".
- Improvements to the swapping of multi-size THPs from Ryan Roberts
in the series "Swap-out mTHP without splitting".
- Kefeng Wang has significantly optimized the handling of arm64's
permission page faults in the series
"arch/mm/fault: accelerate pagefault when badaccess"
"mm: remove arch's private VM_FAULT_BADMAP/BADACCESS"
- GUP cleanups from David Hildenbrand in "mm/gup: consistently call
it GUP-fast".
- hugetlb fault code cleanups from Vishal Moola in "Hugetlb fault
path to use struct vm_fault".
- selftests build fixes from John Hubbard in the series "Fix
selftests/mm build without requiring "make headers"".
- Memory tiering fixes/improvements from Ho-Ren (Jack) Chuang in the
series "Improved Memory Tier Creation for CPUless NUMA Nodes".
Fixes the initialization code so that migration between different
memory types works as intended.
- David Hildenbrand has improved follow_pte() and fixed an errant
driver in the series "mm: follow_pte() improvements and acrn
follow_pte() fixes".
- David also did some cleanup work on large folio mapcounts in his
series "mm: mapcount for large folios + page_mapcount() cleanups".
- Folio conversions in KSM in Alex Shi's series "transfer page to
folio in KSM".
- Barry Song has added some sysfs stats for monitoring multi-size
THP's in the series "mm: add per-order mTHP alloc and swpout
counters".
- Some zswap cleanups from Yosry Ahmed in the series "zswap
same-filled and limit checking cleanups".
- Matthew Wilcox has been looking at buffer_head code and found the
documentation to be lacking. The series is "Improve buffer head
documentation".
- Multi-size THPs get more work, this time from Lance Yang. His
series "mm/madvise: enhance lazyfreeing with mTHP in madvise_free"
optimizes the freeing of these things.
- Kemeng Shi has added more userspace-visible writeback
instrumentation in the series "Improve visibility of writeback".
- Kemeng Shi then sent some maintenance work on top in the series
"Fix and cleanups to page-writeback".
- Matthew Wilcox reduces mmap_lock traffic in the anon vma code in
the series "Improve anon_vma scalability for anon VMAs". Intel's
test bot reported an improbable 3x improvement in one test.
- SeongJae Park adds some DAMON feature work in the series
"mm/damon: add a DAMOS filter type for page granularity access recheck"
"selftests/damon: add DAMOS quota goal test"
- Also some maintenance work in the series
"mm/damon/paddr: simplify page level access re-check for pageout"
"mm/damon: misc fixes and improvements"
- David Hildenbrand has disabled some known-to-fail selftests ni the
series "selftests: mm: cow: flag vmsplice() hugetlb tests as
XFAIL".
- memcg metadata storage optimizations from Shakeel Butt in "memcg:
reduce memory consumption by memcg stats".
- DAX fixes and maintenance work from Vishal Verma in the series
"dax/bus.c: Fixups for dax-bus locking""
* tag 'mm-stable-2024-05-17-19-19' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (426 commits)
memcg, oom: cleanup unused memcg_oom_gfp_mask and memcg_oom_order
selftests/mm: hugetlb_madv_vs_map: avoid test skipping by querying hugepage size at runtime
mm/hugetlb: add missing VM_FAULT_SET_HINDEX in hugetlb_wp
mm/hugetlb: add missing VM_FAULT_SET_HINDEX in hugetlb_fault
selftests: cgroup: add tests to verify the zswap writeback path
mm: memcg: make alloc_mem_cgroup_per_node_info() return bool
mm/damon/core: fix return value from damos_wmark_metric_value
mm: do not update memcg stats for NR_{FILE/SHMEM}_PMDMAPPED
selftests: cgroup: remove redundant enabling of memory controller
Docs/mm/damon/maintainer-profile: allow posting patches based on damon/next tree
Docs/mm/damon/maintainer-profile: change the maintainer's timezone from PST to PT
Docs/mm/damon/design: use a list for supported filters
Docs/admin-guide/mm/damon/usage: fix wrong schemes effective quota update command
Docs/admin-guide/mm/damon/usage: fix wrong example of DAMOS filter matching sysfs file
selftests/damon: classify tests for functionalities and regressions
selftests/damon/_damon_sysfs: use 'is' instead of '==' for 'None'
selftests/damon/_damon_sysfs: find sysfs mount point from /proc/mounts
selftests/damon/_damon_sysfs: check errors from nr_schemes file reads
mm/damon/core: initialize ->esz_bp from damos_quota_init_priv()
selftests/damon: add a test for DAMOS quota goal
...
|
||
|
Linus Torvalds
|
ff9a79307f |
Kbuild updates for v6.10
- Avoid 'constexpr', which is a keyword in C23
- Allow 'dtbs_check' and 'dt_compatible_check' run independently of
'dt_binding_check'
- Fix weak references to avoid GOT entries in position-independent
code generation
- Convert the last use of 'optional' property in arch/sh/Kconfig
- Remove support for the 'optional' property in Kconfig
- Remove support for Clang's ThinLTO caching, which does not work with
the .incbin directive
- Change the semantics of $(src) so it always points to the source
directory, which fixes Makefile inconsistencies between upstream and
downstream
- Fix 'make tar-pkg' for RISC-V to produce a consistent package
- Provide reasonable default coverage for objtool, sanitizers, and
profilers
- Remove redundant OBJECT_FILES_NON_STANDARD, KASAN_SANITIZE, etc.
- Remove the last use of tristate choice in drivers/rapidio/Kconfig
- Various cleanups and fixes in Kconfig
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Merge tag 'kbuild-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Avoid 'constexpr', which is a keyword in C23
- Allow 'dtbs_check' and 'dt_compatible_check' run independently of
'dt_binding_check'
- Fix weak references to avoid GOT entries in position-independent code
generation
- Convert the last use of 'optional' property in arch/sh/Kconfig
- Remove support for the 'optional' property in Kconfig
- Remove support for Clang's ThinLTO caching, which does not work with
the .incbin directive
- Change the semantics of $(src) so it always points to the source
directory, which fixes Makefile inconsistencies between upstream and
downstream
- Fix 'make tar-pkg' for RISC-V to produce a consistent package
- Provide reasonable default coverage for objtool, sanitizers, and
profilers
- Remove redundant OBJECT_FILES_NON_STANDARD, KASAN_SANITIZE, etc.
- Remove the last use of tristate choice in drivers/rapidio/Kconfig
- Various cleanups and fixes in Kconfig
* tag 'kbuild-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (46 commits)
kconfig: use sym_get_choice_menu() in sym_check_prop()
rapidio: remove choice for enumeration
kconfig: lxdialog: remove initialization with A_NORMAL
kconfig: m/nconf: merge two item_add_str() calls
kconfig: m/nconf: remove dead code to display value of bool choice
kconfig: m/nconf: remove dead code to display children of choice members
kconfig: gconf: show checkbox for choice correctly
kbuild: use GCOV_PROFILE and KCSAN_SANITIZE in scripts/Makefile.modfinal
Makefile: remove redundant tool coverage variables
kbuild: provide reasonable defaults for tool coverage
modules: Drop the .export_symbol section from the final modules
kconfig: use menu_list_for_each_sym() in sym_check_choice_deps()
kconfig: use sym_get_choice_menu() in conf_write_defconfig()
kconfig: add sym_get_choice_menu() helper
kconfig: turn defaults and additional prompt for choice members into error
kconfig: turn missing prompt for choice members into error
kconfig: turn conf_choice() into void function
kconfig: use linked list in sym_set_changed()
kconfig: gconf: use MENU_CHANGED instead of SYMBOL_CHANGED
kconfig: gconf: remove debug code
...
|
||
|
Linus Torvalds
|
a49468240e |
Modules changes for v6.10-rc1
Finally something fun. Mike Rapoport does some cleanup to allow us to
take out module_alloc() out of modules into a new paint shedded execmem_alloc()
and execmem_free() so to make emphasis these helpers are actually used outside
of modules. It starts with a no-functional changes API rename / placeholders
to then allow architectures to define their requirements into a new shiny
struct execmem_info with ranges, and requirements for those ranges. Archs
now can intitialize this execmem_info as the last part of mm_core_init() if
they have to diverge from the norm. Each range is a known type clearly
articulated and spelled out in enum execmem_type.
Although a lot of this is major cleanup and prep work for future enhancements an
immediate clear gain is we get to enable KPROBES without MODULES now. That is
ultimately what motiviated to pick this work up again, now with smaller goal as
concrete stepping stone.
This has been sitting on linux-next for a little less than a month, a few issues
were found already and fixed, in particular an odd mips boot issue. Arch folks
reviewed the code too. This is ready for wider exposure and testing.
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Merge tag 'modules-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux
Pull modules updates from Luis Chamberlain:
"Finally something fun. Mike Rapoport does some cleanup to allow us to
take out module_alloc() out of modules into a new paint shedded
execmem_alloc() and execmem_free() so to make emphasis these helpers
are actually used outside of modules.
It starts with a non-functional changes API rename / placeholders to
then allow architectures to define their requirements into a new shiny
struct execmem_info with ranges, and requirements for those ranges.
Archs now can intitialize this execmem_info as the last part of
mm_core_init() if they have to diverge from the norm. Each range is a
known type clearly articulated and spelled out in enum execmem_type.
Although a lot of this is major cleanup and prep work for future
enhancements an immediate clear gain is we get to enable KPROBES
without MODULES now. That is ultimately what motiviated to pick this
work up again, now with smaller goal as concrete stepping stone"
* tag 'modules-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux:
bpf: remove CONFIG_BPF_JIT dependency on CONFIG_MODULES of
kprobes: remove dependency on CONFIG_MODULES
powerpc: use CONFIG_EXECMEM instead of CONFIG_MODULES where appropriate
x86/ftrace: enable dynamic ftrace without CONFIG_MODULES
arch: make execmem setup available regardless of CONFIG_MODULES
powerpc: extend execmem_params for kprobes allocations
arm64: extend execmem_info for generated code allocations
riscv: extend execmem_params for generated code allocations
mm/execmem, arch: convert remaining overrides of module_alloc to execmem
mm/execmem, arch: convert simple overrides of module_alloc to execmem
mm: introduce execmem_alloc() and execmem_free()
module: make module_memory_{alloc,free} more self-contained
sparc: simplify module_alloc()
nios2: define virtual address space for modules
mips: module: rename MODULE_START to MODULES_VADDR
arm64: module: remove unneeded call to kasan_alloc_module_shadow()
kallsyms: replace deprecated strncpy with strscpy
module: allow UNUSED_KSYMS_WHITELIST to be relative against objtree.
|
||
|
Masahiro Yamada
|
6ffe4fdf89 |
kconfig: use sym_get_choice_menu() in sym_check_prop()
Choices and their members are associated via the P_CHOICE property. Currently, prop_get_symbol(sym_get_choice_prop()) is used to obtain the choice of the given choice member. Replace it with sym_get_choice_menu(), which retrieves the choice without relying on P_CHOICE. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
||
|
Linus Torvalds
|
1b294a1f35 |
Networking changes for 6.10.
Core & protocols
----------------
- Complete rework of garbage collection of AF_UNIX sockets.
AF_UNIX is prone to forming reference count cycles due to fd passing
functionality. New method based on Tarjan's Strongly Connected Components
algorithm should be both faster and remove a lot of workarounds
we accumulated over the years.
- Add TCP fraglist GRO support, allowing chaining multiple TCP packets
and forwarding them together. Useful for small switches / routers which
lack basic checksum offload in some scenarios (e.g. PPPoE).
- Support using SMP threads for handling packet backlog i.e. packet
processing from software interfaces and old drivers which don't
use NAPI. This helps move the processing out of the softirq jumble.
- Continue work of converting from rtnl lock to RCU protection.
Don't require rtnl lock when reading: IPv6 routing FIB, IPv6 address
labels, netdev threaded NAPI sysfs files, bonding driver's sysfs files,
MPLS devconf, IPv4 FIB rules, netns IDs, tcp metrics, TC Qdiscs,
neighbor entries, ARP entries via ioctl(SIOCGARP), a lot of the link
information available via rtnetlink.
- Small optimizations from Eric to UDP wake up handling, memory accounting,
RPS/RFS implementation, TCP packet sizing etc.
- Allow direct page recycling in the bulk API used by XDP, for +2% PPS.
- Support peek with an offset on TCP sockets.
- Add MPTCP APIs for querying last time packets were received/sent/acked,
and whether MPTCP "upgrade" succeeded on a TCP socket.
- Add intra-node communication shortcut to improve SMC performance.
- Add IPv6 (and IPv{4,6}-over-IPv{4,6}) support to the GTP protocol driver.
- Add HSR-SAN (RedBOX) mode of operation to the HSR protocol driver.
- Add reset reasons for tracing what caused a TCP reset to be sent.
- Introduce direction attribute for xfrm (IPSec) states.
State can be used either for input or output packet processing.
Things we sprinkled into general kernel code
--------------------------------------------
- Add bitmap_{read,write}(), bitmap_size(), expose BYTES_TO_BITS().
This required touch-ups and renaming of a few existing users.
- Add Endian-dependent __counted_by_{le,be} annotations.
- Make building selftests "quieter" by printing summaries like
"CC object.o" rather than full commands with all the arguments.
Netfilter
---------
- Use GFP_KERNEL to clone elements, to deal better with OOM situations
and avoid failures in the .commit step.
BPF
---
- Add eBPF JIT for ARCv2 CPUs.
- Support attaching kprobe BPF programs through kprobe_multi link in
a session mode, meaning, a BPF program is attached to both function entry
and return, the entry program can decide if the return program gets
executed and the entry program can share u64 cookie value with return
program. "Session mode" is a common use-case for tetragon and bpftrace.
- Add the ability to specify and retrieve BPF cookie for raw tracepoint
programs in order to ease migration from classic to raw tracepoints.
- Add an internal-only BPF per-CPU instruction for resolving per-CPU
memory addresses and implement support in x86, ARM64 and RISC-V JITs.
This allows inlining functions which need to access per-CPU state.
- Optimize x86 BPF JIT's emit_mov_imm64, and add support for various
atomics in bpf_arena which can be JITed as a single x86 instruction.
Support BPF arena on ARM64.
- Add a new bpf_wq API for deferring events and refactor process-context
bpf_timer code to keep common code where possible.
- Harden the BPF verifier's and/or/xor value tracking.
- Introduce crypto kfuncs to let BPF programs call kernel crypto APIs.
- Support bpf_tail_call_static() helper for BPF programs with GCC 13.
- Add bpf_preempt_{disable,enable}() kfuncs in order to allow a BPF
program to have code sections where preemption is disabled.
Driver API
----------
- Skip software TC processing completely if all installed rules are
marked as HW-only, instead of checking the HW-only flag rule by rule.
- Add support for configuring PoE (Power over Ethernet), similar to
the already existing support for PoDL (Power over Data Line) config.
- Initial bits of a queue control API, for now allowing a single queue
to be reset without disturbing packet flow to other queues.
- Common (ethtool) statistics for hardware timestamping.
Tests and tooling
-----------------
- Remove the need to create a config file to run the net forwarding tests
so that a naive "make run_tests" can exercise them.
- Define a method of writing tests which require an external endpoint
to communicate with (to send/receive data towards the test machine).
Add a few such tests.
- Create a shared code library for writing Python tests. Expose the YAML
Netlink library from tools/ to the tests for easy Netlink access.
- Move netfilter tests under net/, extend them, separate performance tests
from correctness tests, and iron out issues found by running them
"on every commit".
- Refactor BPF selftests to use common network helpers.
- Further work filling in YAML definitions of Netlink messages for:
nftables, team driver, bonding interfaces, vlan interfaces, VF info,
TC u32 mark, TC police action.
- Teach Python YAML Netlink to decode attribute policies.
- Extend the definition of the "indexed array" construct in the specs
to cover arrays of scalars rather than just nests.
- Add hyperlinks between definitions in generated Netlink docs.
Drivers
-------
- Make sure unsupported flower control flags are rejected by drivers,
and make more drivers report errors directly to the application rather
than dmesg (large number of driver changes from Asbjørn Sloth Tønnesen).
- Ethernet high-speed NICs:
- Broadcom (bnxt):
- support multiple RSS contexts and steering traffic to them
- support XDP metadata
- make page pool allocations more NUMA aware
- Intel (100G, ice, idpf):
- extract datapath code common among Intel drivers into a library
- use fewer resources in switchdev by sharing queues with the PF
- add PFCP filter support
- add Ethernet filter support
- use a spinlock instead of HW lock in PTP clock ops
- support 5 layer Tx scheduler topology
- nVidia/Mellanox:
- 800G link modes and 100G SerDes speeds
- per-queue IRQ coalescing configuration
- Marvell Octeon:
- support offloading TC packet mark action
- Ethernet NICs consumer, embedded and virtual:
- stop lying about skb->truesize in USB Ethernet drivers, it messes up
TCP memory calculations
- Google cloud vNIC:
- support changing ring size via ethtool
- support ring reset using the queue control API
- VirtIO net:
- expose flow hash from RSS to XDP
- per-queue statistics
- add selftests
- Synopsys (stmmac):
- support controllers which require an RX clock signal from the MII
bus to perform their hardware initialization
- TI:
- icssg_prueth: support ICSSG-based Ethernet on AM65x SR1.0 devices
- icssg_prueth: add SW TX / RX Coalescing based on hrtimers
- cpsw: minimal XDP support
- Renesas (ravb):
- support describing the MDIO bus
- Realtek (r8169):
- add support for RTL8168M
- Microchip Sparx5:
- matchall and flower actions mirred and redirect
- Ethernet switches:
- nVidia/Mellanox:
- improve events processing performance
- Marvell:
- add support for MV88E6250 family internal PHYs
- Microchip:
- add DCB and DSCP mapping support for KSZ switches
- vsc73xx: convert to PHYLINK
- Realtek:
- rtl8226b/rtl8221b: add C45 instances and SerDes switching
- Many driver changes related to PHYLIB and PHYLINK deprecated API cleanup.
- Ethernet PHYs:
- Add a new driver for Airoha EN8811H 2.5 Gigabit PHY.
- micrel: lan8814: add support for PPS out and external timestamp trigger
- WiFi:
- Disable Wireless Extensions (WEXT) in all Wi-Fi 7 devices drivers.
Modern devices can only be configured using nl80211.
- mac80211/cfg80211
- handle color change per link for WiFi 7 Multi-Link Operation
- Intel (iwlwifi):
- don't support puncturing in 5 GHz
- support monitor mode on passive channels
- BZ-W device support
- P2P with HE/EHT support
- re-add support for firmware API 90
- provide channel survey information for Automatic Channel Selection
- MediaTek (mt76):
- mt7921 LED control
- mt7925 EHT radiotap support
- mt7920e PCI support
- Qualcomm (ath11k):
- P2P support for QCA6390, WCN6855 and QCA2066
- support hibernation
- ieee80211-freq-limit Device Tree property support
- Qualcomm (ath12k):
- refactoring in preparation of multi-link support
- suspend and hibernation support
- ACPI support
- debugfs support, including dfs_simulate_radar support
- RealTek:
- rtw88: RTL8723CS SDIO device support
- rtw89: RTL8922AE Wi-Fi 7 PCI device support
- rtw89: complete features of new WiFi 7 chip 8922AE including
BT-coexistence and Wake-on-WLAN
- rtw89: use BIOS ACPI settings to set TX power and channels
- rtl8xxxu: enable Management Frame Protection (MFP) support
- Bluetooth:
- support for Intel BlazarI and Filmore Peak2 (BE201)
- support for MediaTek MT7921S SDIO
- initial support for Intel PCIe BT driver
- remove HCI_AMP support
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core & protocols:
- Complete rework of garbage collection of AF_UNIX sockets.
AF_UNIX is prone to forming reference count cycles due to fd
passing functionality. New method based on Tarjan's Strongly
Connected Components algorithm should be both faster and remove a
lot of workarounds we accumulated over the years.
- Add TCP fraglist GRO support, allowing chaining multiple TCP
packets and forwarding them together. Useful for small switches /
routers which lack basic checksum offload in some scenarios (e.g.
PPPoE).
- Support using SMP threads for handling packet backlog i.e. packet
processing from software interfaces and old drivers which don't use
NAPI. This helps move the processing out of the softirq jumble.
- Continue work of converting from rtnl lock to RCU protection.
Don't require rtnl lock when reading: IPv6 routing FIB, IPv6
address labels, netdev threaded NAPI sysfs files, bonding driver's
sysfs files, MPLS devconf, IPv4 FIB rules, netns IDs, tcp metrics,
TC Qdiscs, neighbor entries, ARP entries via ioctl(SIOCGARP), a lot
of the link information available via rtnetlink.
- Small optimizations from Eric to UDP wake up handling, memory
accounting, RPS/RFS implementation, TCP packet sizing etc.
- Allow direct page recycling in the bulk API used by XDP, for +2%
PPS.
- Support peek with an offset on TCP sockets.
- Add MPTCP APIs for querying last time packets were received/sent/acked
and whether MPTCP "upgrade" succeeded on a TCP socket.
- Add intra-node communication shortcut to improve SMC performance.
- Add IPv6 (and IPv{4,6}-over-IPv{4,6}) support to the GTP protocol
driver.
- Add HSR-SAN (RedBOX) mode of operation to the HSR protocol driver.
- Add reset reasons for tracing what caused a TCP reset to be sent.
- Introduce direction attribute for xfrm (IPSec) states. State can be
used either for input or output packet processing.
Things we sprinkled into general kernel code:
- Add bitmap_{read,write}(), bitmap_size(), expose BYTES_TO_BITS().
This required touch-ups and renaming of a few existing users.
- Add Endian-dependent __counted_by_{le,be} annotations.
- Make building selftests "quieter" by printing summaries like
"CC object.o" rather than full commands with all the arguments.
Netfilter:
- Use GFP_KERNEL to clone elements, to deal better with OOM
situations and avoid failures in the .commit step.
BPF:
- Add eBPF JIT for ARCv2 CPUs.
- Support attaching kprobe BPF programs through kprobe_multi link in
a session mode, meaning, a BPF program is attached to both function
entry and return, the entry program can decide if the return
program gets executed and the entry program can share u64 cookie
value with return program. "Session mode" is a common use-case for
tetragon and bpftrace.
- Add the ability to specify and retrieve BPF cookie for raw
tracepoint programs in order to ease migration from classic to raw
tracepoints.
- Add an internal-only BPF per-CPU instruction for resolving per-CPU
memory addresses and implement support in x86, ARM64 and RISC-V
JITs. This allows inlining functions which need to access per-CPU
state.
- Optimize x86 BPF JIT's emit_mov_imm64, and add support for various
atomics in bpf_arena which can be JITed as a single x86
instruction. Support BPF arena on ARM64.
- Add a new bpf_wq API for deferring events and refactor
process-context bpf_timer code to keep common code where possible.
- Harden the BPF verifier's and/or/xor value tracking.
- Introduce crypto kfuncs to let BPF programs call kernel crypto
APIs.
- Support bpf_tail_call_static() helper for BPF programs with GCC 13.
- Add bpf_preempt_{disable,enable}() kfuncs in order to allow a BPF
program to have code sections where preemption is disabled.
Driver API:
- Skip software TC processing completely if all installed rules are
marked as HW-only, instead of checking the HW-only flag rule by
rule.
- Add support for configuring PoE (Power over Ethernet), similar to
the already existing support for PoDL (Power over Data Line)
config.
- Initial bits of a queue control API, for now allowing a single
queue to be reset without disturbing packet flow to other queues.
- Common (ethtool) statistics for hardware timestamping.
Tests and tooling:
- Remove the need to create a config file to run the net forwarding
tests so that a naive "make run_tests" can exercise them.
- Define a method of writing tests which require an external endpoint
to communicate with (to send/receive data towards the test
machine). Add a few such tests.
- Create a shared code library for writing Python tests. Expose the
YAML Netlink library from tools/ to the tests for easy Netlink
access.
- Move netfilter tests under net/, extend them, separate performance
tests from correctness tests, and iron out issues found by running
them "on every commit".
- Refactor BPF selftests to use common network helpers.
- Further work filling in YAML definitions of Netlink messages for:
nftables, team driver, bonding interfaces, vlan interfaces, VF
info, TC u32 mark, TC police action.
- Teach Python YAML Netlink to decode attribute policies.
- Extend the definition of the "indexed array" construct in the specs
to cover arrays of scalars rather than just nests.
- Add hyperlinks between definitions in generated Netlink docs.
Drivers:
- Make sure unsupported flower control flags are rejected by drivers,
and make more drivers report errors directly to the application
rather than dmesg (large number of driver changes from Asbjørn
Sloth Tønnesen).
- Ethernet high-speed NICs:
- Broadcom (bnxt):
- support multiple RSS contexts and steering traffic to them
- support XDP metadata
- make page pool allocations more NUMA aware
- Intel (100G, ice, idpf):
- extract datapath code common among Intel drivers into a library
- use fewer resources in switchdev by sharing queues with the PF
- add PFCP filter support
- add Ethernet filter support
- use a spinlock instead of HW lock in PTP clock ops
- support 5 layer Tx scheduler topology
- nVidia/Mellanox:
- 800G link modes and 100G SerDes speeds
- per-queue IRQ coalescing configuration
- Marvell Octeon:
- support offloading TC packet mark action
- Ethernet NICs consumer, embedded and virtual:
- stop lying about skb->truesize in USB Ethernet drivers, it
messes up TCP memory calculations
- Google cloud vNIC:
- support changing ring size via ethtool
- support ring reset using the queue control API
- VirtIO net:
- expose flow hash from RSS to XDP
- per-queue statistics
- add selftests
- Synopsys (stmmac):
- support controllers which require an RX clock signal from the
MII bus to perform their hardware initialization
- TI:
- icssg_prueth: support ICSSG-based Ethernet on AM65x SR1.0 devices
- icssg_prueth: add SW TX / RX Coalescing based on hrtimers
- cpsw: minimal XDP support
- Renesas (ravb):
- support describing the MDIO bus
- Realtek (r8169):
- add support for RTL8168M
- Microchip Sparx5:
- matchall and flower actions mirred and redirect
- Ethernet switches:
- nVidia/Mellanox:
- improve events processing performance
- Marvell:
- add support for MV88E6250 family internal PHYs
- Microchip:
- add DCB and DSCP mapping support for KSZ switches
- vsc73xx: convert to PHYLINK
- Realtek:
- rtl8226b/rtl8221b: add C45 instances and SerDes switching
- Many driver changes related to PHYLIB and PHYLINK deprecated API
cleanup
- Ethernet PHYs:
- Add a new driver for Airoha EN8811H 2.5 Gigabit PHY.
- micrel: lan8814: add support for PPS out and external timestamp trigger
- WiFi:
- Disable Wireless Extensions (WEXT) in all Wi-Fi 7 devices
drivers. Modern devices can only be configured using nl80211.
- mac80211/cfg80211
- handle color change per link for WiFi 7 Multi-Link Operation
- Intel (iwlwifi):
- don't support puncturing in 5 GHz
- support monitor mode on passive channels
- BZ-W device support
- P2P with HE/EHT support
- re-add support for firmware API 90
- provide channel survey information for Automatic Channel Selection
- MediaTek (mt76):
- mt7921 LED control
- mt7925 EHT radiotap support
- mt7920e PCI support
- Qualcomm (ath11k):
- P2P support for QCA6390, WCN6855 and QCA2066
- support hibernation
- ieee80211-freq-limit Device Tree property support
- Qualcomm (ath12k):
- refactoring in preparation of multi-link support
- suspend and hibernation support
- ACPI support
- debugfs support, including dfs_simulate_radar support
- RealTek:
- rtw88: RTL8723CS SDIO device support
- rtw89: RTL8922AE Wi-Fi 7 PCI device support
- rtw89: complete features of new WiFi 7 chip 8922AE including
BT-coexistence and Wake-on-WLAN
- rtw89: use BIOS ACPI settings to set TX power and channels
- rtl8xxxu: enable Management Frame Protection (MFP) support
- Bluetooth:
- support for Intel BlazarI and Filmore Peak2 (BE201)
- support for MediaTek MT7921S SDIO
- initial support for Intel PCIe BT driver
- remove HCI_AMP support"
* tag 'net-next-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1827 commits)
selftests: netfilter: fix packetdrill conntrack testcase
net: gro: fix napi_gro_cb zeroed alignment
Bluetooth: btintel_pcie: Refactor and code cleanup
Bluetooth: btintel_pcie: Fix warning reported by sparse
Bluetooth: hci_core: Fix not handling hdev->le_num_of_adv_sets=1
Bluetooth: btintel: Fix compiler warning for multi_v7_defconfig config
Bluetooth: btintel_pcie: Fix compiler warnings
Bluetooth: btintel_pcie: Add *setup* function to download firmware
Bluetooth: btintel_pcie: Add support for PCIe transport
Bluetooth: btintel: Export few static functions
Bluetooth: HCI: Remove HCI_AMP support
Bluetooth: L2CAP: Fix div-by-zero in l2cap_le_flowctl_init()
Bluetooth: qca: Fix error code in qca_read_fw_build_info()
Bluetooth: hci_conn: Use __counted_by() and avoid -Wfamnae warning
Bluetooth: btintel: Add support for Filmore Peak2 (BE201)
Bluetooth: btintel: Add support for BlazarI
LE Create Connection command timeout increased to 20 secs
dt-bindings: net: bluetooth: Add MediaTek MT7921S SDIO Bluetooth
Bluetooth: compute LE flow credits based on recvbuf space
Bluetooth: hci_sync: Use cmd->num_cis instead of magic number
...
|
||
|
Linus Torvalds
|
103916ffe2 |
arm64 updates for 6.10
ACPI:
* Support for the Firmware ACPI Control Structure (FACS) signature
feature which is used to reboot out of hibernation on some systems.
Kbuild:
* Support for building Flat Image Tree (FIT) images, where the kernel
Image is compressed alongside a set of devicetree blobs.
Memory management:
* Optimisation of our early page-table manipulation for creation of the
linear mapping.
* Support for userfaultfd write protection, which brings along some nice
cleanups to our handling of invalid but present ptes.
* Extend our use of range TLBI invalidation at EL1.
Perf and PMUs:
* Ensure that the 'pmu->parent' pointer is correctly initialised by PMU
drivers.
* Avoid allocating 'cpumask_t' types on the stack in some PMU drivers.
* Fix parsing of the CPU PMU "version" field in assembly code, as it
doesn't follow the usual architectural rules.
* Add best-effort unwinding support for USER_STACKTRACE
* Minor driver fixes and cleanups.
Selftests:
* Minor cleanups to the arm64 selftests (missing NULL check, unused
variable).
Miscellaneous
* Add a command-line alias for disabling 32-bit application support.
* Add part number for Neoverse-V2 CPUs.
* Minor fixes and cleanups.
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
"The most interesting parts are probably the mm changes from Ryan which
optimise the creation of the linear mapping at boot and (separately)
implement write-protect support for userfaultfd.
Outside of our usual directories, the Kbuild-related changes under
scripts/ have been acked by Masahiro whilst the drivers/acpi/ parts
have been acked by Rafael and the addition of cpumask_any_and_but()
has been acked by Yury.
ACPI:
- Support for the Firmware ACPI Control Structure (FACS) signature
feature which is used to reboot out of hibernation on some systems
Kbuild:
- Support for building Flat Image Tree (FIT) images, where the kernel
Image is compressed alongside a set of devicetree blobs
Memory management:
- Optimisation of our early page-table manipulation for creation of
the linear mapping
- Support for userfaultfd write protection, which brings along some
nice cleanups to our handling of invalid but present ptes
- Extend our use of range TLBI invalidation at EL1
Perf and PMUs:
- Ensure that the 'pmu->parent' pointer is correctly initialised by
PMU drivers
- Avoid allocating 'cpumask_t' types on the stack in some PMU drivers
- Fix parsing of the CPU PMU "version" field in assembly code, as it
doesn't follow the usual architectural rules
- Add best-effort unwinding support for USER_STACKTRACE
- Minor driver fixes and cleanups
Selftests:
- Minor cleanups to the arm64 selftests (missing NULL check, unused
variable)
Miscellaneous:
- Add a command-line alias for disabling 32-bit application support
- Add part number for Neoverse-V2 CPUs
- Minor fixes and cleanups"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (64 commits)
arm64/mm: Fix pud_user_accessible_page() for PGTABLE_LEVELS <= 2
arm64/mm: Add uffd write-protect support
arm64/mm: Move PTE_PRESENT_INVALID to overlay PTE_NG
arm64/mm: Remove PTE_PROT_NONE bit
arm64/mm: generalize PMD_PRESENT_INVALID for all levels
arm64: simplify arch_static_branch/_jump function
arm64: Add USER_STACKTRACE support
arm64: Add the arm64.no32bit_el0 command line option
drivers/perf: hisi: hns3: Actually use devm_add_action_or_reset()
drivers/perf: hisi: hns3: Fix out-of-bound access when valid event group
drivers/perf: hisi_pcie: Fix out-of-bound access when valid event group
kselftest: arm64: Add a null pointer check
arm64: defer clearing DAIF.D
arm64: assembler: update stale comment for disable_step_tsk
arm64/sysreg: Update PIE permission encodings
kselftest/arm64: Remove unused parameters in abi test
perf/arm-spe: Assign parents for event_source device
perf/arm-smmuv3: Assign parents for event_source device
perf/arm-dsu: Assign parents for event_source device
perf/arm-dmc620: Assign parents for event_source device
...
|
||
|
Linus Torvalds
|
6bfd2d442a |
Updates for the interrupt subsystem:
- Core code:
- Interrupt storm detection for the lockup watchdog:
Lockups which are caused by interrupt storms are not easy to debug
because there is no information about the events which make the lockup
detector trigger.
To make this more user friendly, provide an extenstion to interrupt
statistics which allows to take snapshots and an interface to retrieve
the delta to the snapshot. Use this new mechanism in the watchdog code
to do a two stage lockup analysis by taking the snapshot and printing
the deltas for the topmost active interrupts on the second trigger.
Note: This contains both the interrupt and the watchdog changes as
the latter depend on the former obviously.
- Avoid summation loops in the /proc/interrupts output and use the global
counter when possible
- Skip suspended interrupts on CPU hotplug operations to ensure that they
are not delivered before the system resumes the device drivers when
coming out of suspend.
- On CPU hot-unplug interrupts which are affine to the outgoing CPU are
migrated to a different CPU in the affinity mask. This can fail when
the CPUs have no vectors left. Instead of giving up try to migrate it
to any online CPU and thereby breaking the affinity setting in order to
prevent a stale device interrupt which targets an offline CPU
- The usual small cleanups
- Driver code:
- Support for the RISCV AIA MSI controller
- Make the interrupt allocation for the Loongson PCH controller more
flexible to prevent vector exhaustion
- The usual set of cleanups and fixes all over the place
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Merge tag 'irq-core-2024-05-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull interrupt subsystem updates from Thomas Gleixner:
"Core code:
- Interrupt storm detection for the lockup watchdog:
Lockups which are caused by interrupt storms are not easy to debug
because there is no information about the events which make the
lockup detector trigger.
To make this more user friendly, provide an extenstion to interrupt
statistics which allows to take snapshots and an interface to
retrieve the delta to the snapshot. Use this new mechanism in the
watchdog code to do a two stage lockup analysis by taking the
snapshot and printing the deltas for the topmost active interrupts
on the second trigger.
Note: This contains both the interrupt and the watchdog changes as
the latter depend on the former obviously.
- Avoid summation loops in the /proc/interrupts output and use the
global counter when possible
- Skip suspended interrupts on CPU hotplug operations to ensure that
they are not delivered before the system resumes the device drivers
when coming out of suspend.
- On CPU hot-unplug interrupts which are affine to the outgoing CPU
are migrated to a different CPU in the affinity mask. This can fail
when the CPUs have no vectors left. Instead of giving up try to
migrate it to any online CPU and thereby breaking the affinity
setting in order to prevent a stale device interrupt which targets
an offline CPU
- The usual small cleanups
Driver code:
- Support for the RISCV AIA MSI controller
- Make the interrupt allocation for the Loongson PCH controller more
flexible to prevent vector exhaustion
- The usual set of cleanups and fixes all over the place"
* tag 'irq-core-2024-05-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (51 commits)
irqchip/gic-v3-its: Remove BUG_ON in its_vpe_irq_domain_alloc
cpuidle: Avoid explicit cpumask allocation on stack
irqchip/sifive-plic: Avoid explicit cpumask allocation on stack
irqchip/riscv-aplic-direct: Avoid explicit cpumask allocation on stack
irqchip/loongson-eiointc: Avoid explicit cpumask allocation on stack
irqchip/gic-v3-its: Avoid explicit cpumask allocation on stack
irqchip/irq-bcm6345-l1: Avoid explicit cpumask allocation on stack
cpumask: Introduce cpumask_first_and_and()
irqchip/irq-brcmstb-l2: Avoid saving mask on shutdown
genirq: Reuse irq_is_nmi()
genirq/cpuhotplug: Retry with cpu_online_mask when migration fails
genirq/cpuhotplug: Skip suspended interrupts when restoring affinity
arm64: dts: st: Add interrupt parent to pinctrl on stm32mp251
arm64: dts: st: Add exti1 and exti2 nodes on stm32mp251
ARM: dts: stm32: List exti parent interrupts on stm32mp131
ARM: dts: stm32: List exti parent interrupts on stm32mp151
arm64: Kconfig.platforms: Enable STM32_EXTI for ARCH_STM32
irqchip/stm32-exti: Mark events reserved with RIF configuration check
irqchip/stm32-exti: Skip secure events
irqchip/stm32-exti: Convert driver to standard PM
...
|
||
|
Masahiro Yamada
|
01b9916254 |
kconfig: lxdialog: remove initialization with A_NORMAL
A_NORMAL is zero, so the attribute is set to the default A_NORMAL without explicit assignment. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
||
|
Masahiro Yamada
|
648d82a984 |
kconfig: m/nconf: merge two item_add_str() calls
Just trivial cleanups. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
||
|
Masahiro Yamada
|
cc3e4e5e38 |
kconfig: m/nconf: remove dead code to display value of bool choice
Previously, optional bool choices met the following conditions
simultaneously:
- sym_is_choice(sym)
- sym_is_changeable(sym)
- type == S_BOOLEAN
It no longer occurs since
|