forked from Minki/linux
42ce60aa5a
1100764 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Schspa Shi
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42ce60aa5a |
kbuild: Allow to select bash in a modified environment
This fixes the build error when the system has a default bash version which is too old to support associative array variables. The build error log as fellowing: linux/scripts/check-local-export: line 11: declare: -A: invalid option declare: usage: declare [-afFirtx] [-p] [name[=value] ...] Signed-off-by: Schspa Shi <schspa@gmail.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
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Isak Ellmer
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2bbb486162 |
scripts: kconfig: nconf: make nconfig accept jk keybindings
Make nconfig accept jk keybindings for movement in addition to arrow keys. Signed-off-by: Isak Ellmer <isak01@gmail.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
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Masahiro Yamada
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a89227d769 |
modpost: use fnmatch() to simplify match()
Replace the own implementation for wildcard (glob) matching with a function call to fnmatch(). Also, change the return type to 'bool'. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
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Masahiro Yamada
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8c9ce89c5b |
modpost: simplify mod->name allocation
mod->name is set to the ELF filename with the suffix ".o" stripped.
The current code calls strdup() and free() to manipulate the string,
but a simpler approach is to pass new_module() with the name length
subtracted by 2.
Also, check if the passed filename ends with ".o" before stripping it.
The current code blindly chops the suffix:
tmp[strlen(tmp) - 2] = '\0'
It will cause buffer under-run if strlen(tmp) < 2;
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
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Masahiro Yamada
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b42d230650 |
kbuild: factor out the common objtool arguments
scripts/Makefile.build and scripts/link-vmlinux.sh have similar setups for the objtool arguments. It was difficult to factor out them because all the vmlinux build rules were written in a shell script. It is somewhat tedious to touch the two files every time a new objtool option is supported. To reduce the code duplication, move the objtool for vmlinux.o into scripts/Makefile.vmlinux_o. Then, move the common macros to Makefile.lib so they are shared between Makefile.build and Makefile.vmlinux_o. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> # LLVM-14 (x86-64) |
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Masahiro Yamada
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5d45950dfb |
kbuild: move vmlinux.o link to scripts/Makefile.vmlinux_o
This is a preparation for moving the objtool rule in the next commit. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> # LLVM-14 (x86-64) |
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Masahiro Yamada
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b0d6207bad |
kbuild: clean .tmp_* pattern by make clean
Change the "make clean" rule to remove all the .tmp_* files. .tmp_objdiff is the only exception, which should be removed by "make mrproper". Rename the record directory of objdiff, .tmp_objdiff to .objdiff to avoid the removal by "make clean". Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> # LLVM-14 (x86-64) |
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Masahiro Yamada
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a78b6afa99 |
kbuild: remove redundant cleanups in scripts/link-vmlinux.sh
These are cleaned by the top Makefile. vmlinux.o and .vmlinux.d matches the '*.[aios]' and '.*.d' patterns respectively. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> # LLVM-14 (x86-64) |
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Masahiro Yamada
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f6b66ca4f3 |
kbuild: rebuild multi-object modules when objtool is updated
When CONFIG_LTO_CLANG or CONFIG_X86_KERNEL_IBT is enabled, objtool for multi-object modules is postponed until the objects are linked together. Make sure to re-run objtool and re-link multi-object modules when objtool is updated. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Kees Cook <keescook@chromium.org> Acked-by: Josh Poimboeuf <jpoimboe@redhat.com> Tested-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Nicolas Schier <n.schier@avm.de> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> # LLVM-14 (x86-64) |
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Masahiro Yamada
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ebd191b38c |
kbuild: add cmd_and_savecmd macro
Separate out the command execution part of if_changed, as we did
for if_changed_dep.
This allows us to reuse it in if_changed_rule.
define rule_foo
$(call cmd_and_savecmd,foo)
$(call cmd,bar)
endef
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Nicolas Schier <n.schier@avm.de>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com> # LLVM-14 (x86-64)
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Masahiro Yamada
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c6031b1dbb |
kbuild: make *.mod rule robust against too long argument error
Like built-in.a, the command length of the *.mod rule scales with the depth of the directory times the number of objects in the Makefile. Add $(obj)/ by the shell command (awk) instead of by Make's builtin function. In-tree modules still have some room to the limit (ARG_MAX=2097152), but this is more future-proof for big modules in a deep directory. For example, you can build i915 as a module (CONFIG_DRM_I915=m) and compare drivers/gpu/drm/i915/.i915.mod.cmd with/without this commit. The issue is more critical for external modules because the M= path can be very long as Jeff Johnson reported before [1]. [1] https://lore.kernel.org/linux-kbuild/4c02050c4e95e4cb8cc04282695f8404@codeaurora.org/ Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu> Tested-by: Nathan Chancellor <nathan@kernel.org> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> # LLVM-14 (x86-64) |
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Masahiro Yamada
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cd968b97c4 |
kbuild: make built-in.a rule robust against too long argument error
Kbuild runs at the top of objtree instead of changing the working
directory to subdirectories. I think this design is nice overall but
some commands have a scalability issue.
The build command of built-in.a is one of them whose length scales with:
O(D * N)
Here, D is the length of the directory path (i.e. $(obj)/ prefix),
N is the number of objects in the Makefile, O() is the big O notation.
The deeper directory the Makefile directory is located, the more easily
it will hit the too long argument error.
We can make it better. Trim the $(obj)/ by Make's builtin function, and
restore it by a shell command (sed).
With this, the command length scales with:
O(D + N)
In-tree modules still have some room to the limit (ARG_MAX=2097152),
but this is more future-proof for big modules in a deep directory.
For example, you can build i915 as builtin (CONFIG_DRM_I915=y) and
compare drivers/gpu/drm/i915/.built-in.a.cmd with/without this commit.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com> # LLVM-14 (x86-64)
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Masahiro Yamada
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31cb50b559 |
kbuild: check static EXPORT_SYMBOL* by script instead of modpost
The 'static' specifier and EXPORT_SYMBOL() are an odd combination. Commit |
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Masahiro Yamada
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534671e0ef |
parisc: remove arch/parisc/nm
Parisc overrides 'nm' with a shell script. I was hit by a false-positive
error of $(NM) because this script returns the exit status of grep
instead of ${CROSS_COMPILE}nm. (grep returns 1 if no lines were selected)
I tried to fix it, but in the code review, Helge suggested to remove it
entirely. [1]
This script was added in 2003. [2]
Presumably, it was a workaround for old toolchains (but even the parisc
maintainer does not know the detail any more).
Hopefully, recent tools should work fine.
[1]: https://lore.kernel.org/all/1c12cd26-d8aa-4498-f4c0-29478b9578fe@gmx.de/
[2]: https://git.kernel.org/pub/scm/linux/kernel/git/history/history.git/commit/?id=36eaa6e4c0e0b6950136b956b72fd08155b92ca3
Suggested-by: Helge Deller <deller@gmx.de>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Helge Deller <deller@gmx.de>
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Masahiro Yamada
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c25e1c5582 |
kbuild: do not create *.prelink.o for Clang LTO or IBT
When CONFIG_LTO_CLANG=y, additional intermediate *.prelink.o is created
for each module. Also, objtool is postponed until LLVM IR is converted
to ELF.
CONFIG_X86_KERNEL_IBT works in a similar way to postpone objtool until
objects are merged together.
This commit stops generating *.prelink.o, so the build flow will look
similar with/without LTO.
The following figures show how the LTO build currently works, and
how this commit is changing it.
Current build flow
==================
[1] single-object module
$(LD)
$(CC) +objtool $(LD)
foo.c --------------------> foo.o -----> foo.prelink.o -----> foo.ko
(LLVM IR) (ELF) | (ELF)
|
foo.mod.o --/
(LLVM IR)
[2] multi-object module
$(LD)
$(CC) $(AR) +objtool $(LD)
foo1.c -----> foo1.o -----> foo.o -----> foo.prelink.o -----> foo.ko
| (archive) (ELF) | (ELF)
foo2.c -----> foo2.o --/ |
(LLVM IR) foo.mod.o --/
(LLVM IR)
One confusion is that foo.o in multi-object module is an archive
despite of its suffix.
New build flow
==============
[1] single-object module
Since there is only one object, there is no need to keep the LLVM IR.
Use $(CC)+$(LD) to generate an ELF object in one build rule. When LTO
is disabled, $(LD) is unneeded because $(CC) produces an ELF object.
$(CC)+$(LD)+objtool $(LD)
foo.c ----------------------------> foo.o ---------> foo.ko
(ELF) | (ELF)
|
foo.mod.o --/
(LLVM IR)
[2] multi-object module
Previously, $(AR) was used to combine LLVM IR files into an archive,
but there was no technical reason to do so. Use $(LD) to merge them
into a single ELF object.
$(LD)
$(CC) +objtool $(LD)
foo1.c ---------> foo1.o ---------> foo.o ---------> foo.ko
| (ELF) | (ELF)
foo2.c ---------> foo2.o ----/ |
(LLVM IR) foo.mod.o --/
(LLVM IR)
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Sami Tolvanen <samitolvanen@google.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com> # LLVM-14 (x86-64)
Acked-by: Josh Poimboeuf <jpoimboe@kernel.org>
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Masahiro Yamada
|
0cfd90060d |
kbuild: replace $(linked-object) with CONFIG options
*.prelink.o is created when CONFIG_LTO_CLANG or CONFIG_X86_KERNEL_IBT is enabled. Replace $(linked-object) with $(CONFIG_LTO_CLANG)$(CONFIG_X86_KERNEL_IBT) so you will get a quick idea of when the --link option is passed. No functional change is intended. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Acked-by: Josh Poimboeuf <jpoimboe@kernel.org> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> # LLVM-14 |
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Masahiro Yamada
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0aa24a79ee |
kbuild: do not try to parse *.cmd files for objects provided by compiler
Guenter Roeck reported the build breakage for parisc and csky.
I confirmed nios2 and openrisc are broken as well.
The reason is that they borrow libgcc.a from the toolchains.
For example, see this line in arch/parisc/Makefile:
LIBGCC := $(shell $(CC) -print-libgcc-file-name)
Some objects in libgcc.a are linked to vmlinux.o, but they do not have
.*.cmd files.
Obviously, there is no EXPORT_SYMBOL in external objects. Ignore them.
(Most of the architectures import library code into the kernel tree.
Perhaps those 4 architectures can do similar, but I do not know how
challenging it is.)
Fixes:
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Masahiro Yamada
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c9db188405 |
kbuild: replace $(if A,A,B) with $(or A,B) in scripts/Makefile.modpost
Similar cleanup to commit
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Masahiro Yamada
|
68fef6704e |
modpost: squash if...else-if in find_elf_symbol2()
if ((addr - sym->st_value) < distance) {
distance = addr - sym->st_value;
near = sym;
} else if ((addr - sym->st_value) == distance) {
near = sym;
}
is equivalent to:
if (addr - sym->st_value <= distance) {
distance = addr - sym->st_value;
near = sym;
}
(The else-if block can overwrite 'distance' with the same value).
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
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Masahiro Yamada
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c5c468dcc2 |
modpost: reuse ARRAY_SIZE() macro for section_mismatch()
Move ARRAY_SIZE() from file2alias.c to modpost.h to reuse it in section_mismatch(). Also, move the variable 'check' inside the for-loop. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> |
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Masahiro Yamada
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76954527fe |
modpost: remove the unused argument of check_sec_ref()
check_sec_ref() does not use the first parameter 'mod'. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> |
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Masahiro Yamada
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d6b732666a |
modpost: fix undefined behavior of is_arm_mapping_symbol()
The return value of is_arm_mapping_symbol() is unpredictable when "$"
is passed in.
strchr(3) says:
The strchr() and strrchr() functions return a pointer to the matched
character or NULL if the character is not found. The terminating null
byte is considered part of the string, so that if c is specified as
'\0', these functions return a pointer to the terminator.
When str[1] is '\0', strchr("axtd", str[1]) is not NULL, and str[2] is
referenced (i.e. buffer overrun).
Test code
---------
char str1[] = "abc";
char str2[] = "ab";
strcpy(str1, "$");
strcpy(str2, "$");
printf("test1: %d\n", is_arm_mapping_symbol(str1));
printf("test2: %d\n", is_arm_mapping_symbol(str2));
Result
------
test1: 0
test2: 1
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
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Alexander Lobakin
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b5beffa20d |
modpost: fix removing numeric suffixes
With the `-z unique-symbol` linker flag or any similar mechanism,
it is possible to trigger the following:
ERROR: modpost: "param_set_uint.0" [vmlinux] is a static EXPORT_SYMBOL
The reason is that for now the condition from remove_dot():
if (m && (s[n + m] == '.' || s[n + m] == 0))
which was designed to test if it's a dot or a '\0' after the suffix
is never satisfied.
This is due to that `s[n + m]` always points to the last digit of a
numeric suffix, not on the symbol next to it (from a custom debug
print added to modpost):
param_set_uint.0, s[n + m] is '0', s[n + m + 1] is '\0'
So it's off-by-one and was like that since 2014.
Fix this for the sake of any potential upcoming features, but don't
bother stable-backporting, as it's well hidden -- apart from that
LD flag, it can be triggered only with GCC LTO which never landed
upstream.
Fixes:
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Yuntao Wang
|
8d3a75078c |
scripts/kallsyms: update usage message of the kallsyms program
The kallsyms program supports --absolute-percpu option but does not display it in the usage message, fix it. Signed-off-by: Yuntao Wang <ytcoode@gmail.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
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Jing Leng
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23a0cb8e32 |
kbuild: Fix include path in scripts/Makefile.modpost
When building an external module, if users don't need to separate the compilation output and source code, they run the following command: "make -C $(LINUX_SRC_DIR) M=$(PWD)". At this point, "$(KBUILD_EXTMOD)" and "$(src)" are the same. If they need to separate them, they run "make -C $(KERNEL_SRC_DIR) O=$(KERNEL_OUT_DIR) M=$(OUT_DIR) src=$(PWD)". Before running the command, they need to copy "Kbuild" or "Makefile" to "$(OUT_DIR)" to prevent compilation failure. So the kernel should change the included path to avoid the copy operation. Signed-off-by: Jing Leng <jleng@ambarella.com> [masahiro: I do not think "M=$(OUT_DIR) src=$(PWD)" is the official way, but this patch is a nice clean up anyway.] Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
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Linus Torvalds
|
7e284070ab |
- Enable DM core bioset's per-cpu bio cache if QUEUE_FLAG_POLL
set. This change improves DM's hipri bio polling (REQ_POLLED)
performance by 7 - 20% depending on the system.
- Update DM core to use jump_labels to further reduce cost of unlikely
branches for zoned block devices, dm-stats and swap_bios throttling.
- Various DM core changes to reduce bio-based DM overhead and simplify
IO accounting.
- Fundamental DM core improvements to dm_io reference counting and the
elimination of using bio_split()+bio_chain() -- instead DM's
bio-based IO accounting is updated to account that a split occurred.
- Improve DM core's abnormal bio processing to do less work.
- Improve DM core's hipri polling support to use a single list rather
than an hlist.
- Update DM core to pass NULL bdev to bio_alloc_clone() so that
initialization that isn't useful for DM can be elided.
- Add cond_resched to DM stats' various loops that loop over all
entries.
- Fix incorrect error code return from DM integrity's constructor.
- Make DM crypt's printing of the key constant-time.
- Update bio-based DM multipath to provide high-resolution timer to
the Historical Service Time (HST) path selector.
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Merge tag 'for-5.19/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper updates from Mike Snitzer:
- Enable DM core bioset's per-cpu bio cache if QUEUE_FLAG_POLL set.
This change improves DM's hipri bio polling (REQ_POLLED) performance
by 7 - 20% depending on the system.
- Update DM core to use jump_labels to further reduce cost of unlikely
branches for zoned block devices, dm-stats and swap_bios throttling.
- Various DM core changes to reduce bio-based DM overhead and simplify
IO accounting.
- Fundamental DM core improvements to dm_io reference counting and the
elimination of using bio_split()+bio_chain() -- instead DM's
bio-based IO accounting is updated to account that a split occurred.
- Improve DM core's abnormal bio processing to do less work.
- Improve DM core's hipri polling support to use a single list rather
than an hlist.
- Update DM core to pass NULL bdev to bio_alloc_clone() so that
initialization that isn't useful for DM can be elided.
- Add cond_resched to DM stats' various loops that loop over all
entries.
- Fix incorrect error code return from DM integrity's constructor.
- Make DM crypt's printing of the key constant-time.
- Update bio-based DM multipath to provide high-resolution timer to the
Historical Service Time (HST) path selector.
* tag 'for-5.19/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (26 commits)
dm: pass NULL bdev to bio_alloc_clone
dm cache metadata: remove unnecessary variable in __dump_mapping
dm mpath: provide high-resolution timer to HST for bio-based
dm crypt: make printing of the key constant-time
dm integrity: fix error code in dm_integrity_ctr()
dm stats: add cond_resched when looping over entries
dm: improve abnormal bio processing
dm: simplify bio-based IO accounting further
dm: put all polled dm_io instances into a single list
dm: improve dm_io reference counting
dm: don't grab target io reference in dm_zone_map_bio
dm: improve bio splitting and associated IO accounting
dm: switch to bdev based IO accounting interfaces
dm: pass dm_io instance to dm_io_acct directly
dm: don't pass bio to __dm_start_io_acct and dm_end_io_acct
dm: use bio_sectors in dm_aceept_partial_bio
dm: simplify basic targets
dm: conditionally enable branching for less used features
dm: introduce dm_{get,put}_live_table_bio called from dm_submit_bio
dm: move hot dm_io members to same cacheline as dm_target_io
...
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Linus Torvalds
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780d8ce716 |
v5.19 pull request
Small collection of incremental improvement patches:
- Minor code cleanup patches, comment improvements, etc from static tools
- Clean the some of the kernel caps, reducing the historical stealth uAPI
leftovers
- Bug fixes and minor changes for rdmavt, hns, rxe, irdma
- Remove unimplemented cruft from rxe
- Reorganize UMR QP code in mlx5 to avoid going through the IB verbs layer
- flush_workqueue(system_unbound_wq) removal
- Ensure rxe waits for objects to be unused before allowing the core to
free them
- Several rc quality bug fixes for hfi1
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma updates from Jason Gunthorpe:
"Small collection of incremental improvement patches:
- Minor code cleanup patches, comment improvements, etc from static
tools
- Clean the some of the kernel caps, reducing the historical stealth
uAPI leftovers
- Bug fixes and minor changes for rdmavt, hns, rxe, irdma
- Remove unimplemented cruft from rxe
- Reorganize UMR QP code in mlx5 to avoid going through the IB verbs
layer
- flush_workqueue(system_unbound_wq) removal
- Ensure rxe waits for objects to be unused before allowing the core
to free them
- Several rc quality bug fixes for hfi1"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (67 commits)
RDMA/rtrs-clt: Fix one kernel-doc comment
RDMA/hfi1: Remove all traces of diagpkt support
RDMA/hfi1: Consolidate software versions
RDMA/hfi1: Remove pointless driver version
RDMA/hfi1: Fix potential integer multiplication overflow errors
RDMA/hfi1: Prevent panic when SDMA is disabled
RDMA/hfi1: Prevent use of lock before it is initialized
RDMA/rxe: Fix an error handling path in rxe_get_mcg()
IB/core: Fix typo in comment
RDMA/core: Fix typo in comment
IB/hf1: Fix typo in comment
IB/qib: Fix typo in comment
IB/iser: Fix typo in comment
RDMA/mlx4: Avoid flush_scheduled_work() usage
IB/isert: Avoid flush_scheduled_work() usage
RDMA/mlx5: Remove duplicate pointer assignment in mlx5_ib_alloc_implicit_mr()
RDMA/qedr: Remove unnecessary synchronize_irq() before free_irq()
RDMA/hns: Use hr_reg_read() instead of remaining roce_get_xxx()
RDMA/hns: Use hr_reg_xxx() instead of remaining roce_set_xxx()
RDMA/irdma: Add SW mechanism to generate completions on error
...
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Linus Torvalds
|
090b39af59 |
kernel hardening fix for v5.19-rc1
- Avoid GCC plugins needing utsrelease.h build target (Masahiro Yamada) -----BEGIN PGP SIGNATURE----- iQJKBAABCgA0FiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAmKPnCQWHGtlZXNjb29r QGNocm9taXVtLm9yZwAKCRCJcvTf3G3AJkPYD/oD5OvCR37Mr5ZUwxZ28U9pz1YO PjAYqS5D6n+pQvdda4hQM6Ac6Ei0wfHvmZKIorp5oWlOZypMD8QmrkvQIjHKqvCO vtwaPpFyV69JDC6vx2IJks/Btfi6ZV0YDtGUb9HNA56qCjjtTsXf9SduH0VtGcwb tK4uG4BJLPkLq9f3lsYtL025GL+tp7po0OwgKkl/6xbnE+l7/V0ddMdOV961b1zQ hYqqCy7tsdThwkpeil1WWvAuo3w0zYa4+LF3WJvYQpua+txtcH8dvwkt/xCa15Uq y5u9fkd2p5NDpj+Y1nhcGiOFPBdYvoI7zNvXH1MFZcSakyPuS159tya1OMIdV2RB FS2oDxbltZA6cn6a22SjIchjHrgm911aNpPhx3OWuuzDZ9lLv+iwKBE+kIJPPCZx IfbatVColopOVXfQ/DpDlPO/7dZPZVJJQrZsnL/6PwLR1EtKMnN5cgXgdstdObnk FEEP3Kx9tPX0EOiK1rc3ebXvhlYZyuO47lwnxjRiDrHjh9RPrnqTX1LgRl5WHKzQ hZnNQ63N/Si+07Q7mBrRyYKXpzMvB1BCzgHYXpTetviVfaFW2C97nvjd5O27JrqP ot37OjW+uogv+1/0NaT76ZZby36Vmr2yGqvA3Zgvdrk1JMpPT8wMys+ER8tVnzzD CwByXrQkmrCmmFm9OQ== =gF9H -----END PGP SIGNATURE----- Merge tag 'hardening-v5.19-rc1-fix1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull kernel hardening fix from Kees Cook: "This fixes an unlucky build race condition when using the GCC plugins, noticed by a few folks. - Avoid GCC plugins needing utsrelease.h build target (Masahiro Yamada)" * tag 'hardening-v5.19-rc1-fix1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: gcc-plugins: use KERNELVERSION for plugin version |
||
|
Linus Torvalds
|
6d29d7fe4f |
NFSD 5.19 Release Notes
We introduce "courteous server" in this release. Previously NFSD would purge open and lock state for an unresponsive client after one lease period (typically 90 seconds). Now, after one lease period, another client can open and lock those files and the unresponsive client's lease is purged; otherwise if the unrespon- sive client's open and lock state is uncontended, the server retains that open and lock state for up to 24 hours, allowing the client's workload to resume after a lengthy network partition. A longstanding issue with NFSv4 file creation is also addressed. Previously a file creation can fail internally, returning an error to the client, but leave the newly created file in place as an artifact. The file creation code path has been reorganized so that internal failures and race conditions are less likely to result in an unwanted file creation. A fault injector has been added to help exercise paths that are run during kernel metadata cache invalidation. These caches contain information maintained by user space about exported filesystems. Many of our test workloads do not trigger cache invalidation. There is one patch that is needed to support PREEMPT_RT and a fix for an ancient "sleep while spin-locked" splat that seems to have become easier to hit since v5.18-rc3. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEKLLlsBKG3yQ88j7+M2qzM29mf5cFAmKPliAACgkQM2qzM29m f5dB3BAAorPa2L8xu5P1Ge1oTNogNSOVRkLPDzEkfEwK07ZM2qvz78eMZGkMziJ/ strorvBWl3SWBlVtTePgNpJUjgYQ75MRRwaX7Qh2WuHeRKm1JlZm0/NId3+zKgbh N40QI20jdswWcNDuhidxVFFWurd09GlcM4z1cu8gZLbfthkiUOjZoPiLkXeNcvhk 7wC9GiueWxHefYQQDAKh1nQS/L0GG1EkzJdJo7WUVAldZ9qVY9LpmJVMRqrBBbta XrFYfpeY1zFFDY4Qolyz5PUJSeQuDj9PctlhoZ6B1hp56PD/6yaqVhYXiPxtlALj tITtktfiekULZkgfvfvyzssCv+wkbYiaEBZcSSCauR7dkGOmBmajO+cf7vpsERgE fbCU8DWGk78SMeehdCrO+26cV37VP+8c2t2Txq/rG5Eq4ZoCi++Hj5poRboFLqb+ oom+0Ee0LfcAKXkxH5gWTPTblHo49GzGitPZtRzTgZ9uFnVwvEaJ4+t0ij0J8JpL HuVtWrg5/REhqpEvOSwF0sRmkYWLTu7KdueGn/iZ8xUi7GHEue01NsVkClohKJcR WOjWrbNCNF/LJaG88MX0z5u7IO7s9bOHphd7PJ92vR+4YsehW3uRhk+rNi2ZBqQz hzULfu8BiaicV9fdB/hDcMmKQD6U6due2AVVPtxTf5XY+CHQNRY= =phE1 -----END PGP SIGNATURE----- Merge tag 'nfsd-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux Pull nfsd updates from Chuck Lever: "We introduce 'courteous server' in this release. Previously NFSD would purge open and lock state for an unresponsive client after one lease period (typically 90 seconds). Now, after one lease period, another client can open and lock those files and the unresponsive client's lease is purged; otherwise if the unresponsive client's open and lock state is uncontended, the server retains that open and lock state for up to 24 hours, allowing the client's workload to resume after a lengthy network partition. A longstanding issue with NFSv4 file creation is also addressed. Previously a file creation can fail internally, returning an error to the client, but leave the newly created file in place as an artifact. The file creation code path has been reorganized so that internal failures and race conditions are less likely to result in an unwanted file creation. A fault injector has been added to help exercise paths that are run during kernel metadata cache invalidation. These caches contain information maintained by user space about exported filesystems. Many of our test workloads do not trigger cache invalidation. There is one patch that is needed to support PREEMPT_RT and a fix for an ancient 'sleep while spin-locked' splat that seems to have become easier to hit since v5.18-rc3" * tag 'nfsd-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (36 commits) NFSD: nfsd_file_put() can sleep NFSD: Add documenting comment for nfsd4_release_lockowner() NFSD: Modernize nfsd4_release_lockowner() NFSD: Fix possible sleep during nfsd4_release_lockowner() nfsd: destroy percpu stats counters after reply cache shutdown nfsd: Fix null-ptr-deref in nfsd_fill_super() nfsd: Unregister the cld notifier when laundry_wq create failed SUNRPC: Use RMW bitops in single-threaded hot paths NFSD: Clean up the show_nf_flags() macro NFSD: Trace filecache opens NFSD: Move documenting comment for nfsd4_process_open2() NFSD: Fix whitespace NFSD: Remove dprintk call sites from tail of nfsd4_open() NFSD: Instantiate a struct file when creating a regular NFSv4 file NFSD: Clean up nfsd_open_verified() NFSD: Remove do_nfsd_create() NFSD: Refactor NFSv4 OPEN(CREATE) NFSD: Refactor NFSv3 CREATE NFSD: Refactor nfsd_create_setattr() NFSD: Avoid calling fh_drop_write() twice in do_nfsd_create() ... |
||
|
Linus Torvalds
|
7f50d4dfe8 |
OpenRISC updates for 5.19
Fixups and enhancements for OpenRISC:
- A few sparse warning fixups and other cleanups I noticed when working
on a recent TLB bug found on a new OpenRISC core bring up.
- A few fixup's from me and Jason A Donenfeld to help shutdown OpenRISC
platforms when running CI tests
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Merge tag 'for-linus' of https://github.com/openrisc/linux
Pull OpenRISC updates from Stafford Horne:
- A few sparse warning fixups and other cleanups I noticed when working
on a recent TLB bug found on a new OpenRISC core bring up.
- A few fixup's from me and Jason A Donenfeld to help shutdown OpenRISC
platforms when running CI tests
* tag 'for-linus' of https://github.com/openrisc/linux:
openrisc: Allow power off handler overriding
openrisc: Remove unused IMMU tlb workardound
openrisc/fault: Fix symbol scope warnings
openrisc/delay: Add include to fix symbol not declared warning
openrisc/time: Fix symbol scope warnings
openrisc/traps: Declare unhandled_exception for asmlinkage
openrisc/traps: Remove die_if_kernel function
openrisc/traps: Declare file scope symbols as static
openrisc: Update litex defconfig to support glibc userland
openrisc: Pretty print show_registers memory dumps
openrisc: Add syscall details to emergency syscall debugging
openrisc: Add support for liteuart emergency printing
openrisc: Cleanup emergency print handling
openrisc: Add gcc machine instruction flag configuration
openrisc: define nop command for simulator reboot
openrisc: remove bogus nops and shutdowns
openrisc: fix typos in comments
|
||
|
Linus Torvalds
|
ba62a537b4 |
ARC changes for 5.19-rc1
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||
|
Linus Torvalds
|
ef98f9cfe2 |
Modules updates for v5.19-rc1
As promised, for v5.19 I queued up quite a bit of work for modules, but
still with a pretty conservative eye. These changes have been soaking on
modules-next (and so linux-next) for quite some time, the code shift was
merged onto modules-next on March 22, and the last patch was queued on May
5th.
The following are the highlights of what bells and whistles we will get for
v5.19:
1) It was time to tidy up kernel/module.c and one way of starting with
that effort was to split it up into files. At my request Aaron Tomlin
spearheaded that effort with the goal to not introduce any
functional at all during that endeavour. The penalty for the split
is +1322 bytes total, +112 bytes in data, +1210 bytes in text while
bss is unchanged. One of the benefits of this other than helping
make the code easier to read and review is summoning more help on review
for changes with livepatching so kernel/module/livepatch.c is now
pegged as maintained by the live patching folks.
The before and after with just the move on a defconfig on x86-64:
$ size kernel/module.o
text data bss dec hex filename
38434 4540 104 43078 a846 kernel/module.o
$ size -t kernel/module/*.o
text data bss dec hex filename
4785 120 0 4905 1329 kernel/module/kallsyms.o
28577 4416 104 33097 8149 kernel/module/main.o
1158 8 0 1166 48e kernel/module/procfs.o
902 108 0 1010 3f2 kernel/module/strict_rwx.o
3390 0 0 3390 d3e kernel/module/sysfs.o
832 0 0 832 340 kernel/module/tree_lookup.o
39644 4652 104 44400 ad70 (TOTALS)
2) Aaron added module unload taint tracking (MODULE_UNLOAD_TAINT_TRACKING),
so to enable tracking unloaded modules which did taint the kernel.
3) Christophe Leroy added CONFIG_ARCH_WANTS_MODULES_DATA_IN_VMALLOC
which lets architectures to request having modules data in vmalloc
area instead of module area. There are three reasons why an
architecture might want this:
a) On some architectures (like book3s/32) it is not possible to protect
against execution on a page basis. The exec stuff can be mapped by
different arch segment sizes (on book3s/32 that is 256M segments). By
default the module area is in an Exec segment while vmalloc area is in
a NoExec segment. Using vmalloc lets you muck with module data as
NoExec on those architectures whereas before you could not.
b) By pushing more module data to vmalloc you also increase the
probability of module text to remain within a closer distance
from kernel core text and this reduces trampolines, this has been
reported on arm first and powerpc folks are following that lead.
c) Free'ing module_alloc() (Exec by default) area leaves this
exposed as Exec by default, some architectures have some
security enhancements to set this as NoExec on free, and splitting
module data with text let's future generic special allocators
be added to the kernel without having developers try to grok
the tribal knowledge per arch. Work like Rick Edgecombe's
permission vmalloc interface [0] becomes easier to address over
time.
[0] https://lore.kernel.org/lkml/20201120202426.18009-1-rick.p.edgecombe@intel.com/#r
4) Masahiro Yamada's symbol search enhancements
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Merge tag 'modules-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux
Pull modules updates from Luis Chamberlain:
- It was time to tidy up kernel/module.c and one way of starting with
that effort was to split it up into files. At my request Aaron Tomlin
spearheaded that effort with the goal to not introduce any functional
at all during that endeavour. The penalty for the split is +1322
bytes total, +112 bytes in data, +1210 bytes in text while bss is
unchanged. One of the benefits of this other than helping make the
code easier to read and review is summoning more help on review for
changes with livepatching so kernel/module/livepatch.c is now pegged
as maintained by the live patching folks.
The before and after with just the move on a defconfig on x86-64:
$ size kernel/module.o
text data bss dec hex filename
38434 4540 104 43078 a846 kernel/module.o
$ size -t kernel/module/*.o
text data bss dec hex filename
4785 120 0 4905 1329 kernel/module/kallsyms.o
28577 4416 104 33097 8149 kernel/module/main.o
1158 8 0 1166 48e kernel/module/procfs.o
902 108 0 1010 3f2 kernel/module/strict_rwx.o
3390 0 0 3390 d3e kernel/module/sysfs.o
832 0 0 832 340 kernel/module/tree_lookup.o
39644 4652 104 44400 ad70 (TOTALS)
- Aaron added module unload taint tracking (MODULE_UNLOAD_TAINT_TRACKING),
to enable tracking unloaded modules which did taint the kernel.
- Christophe Leroy added CONFIG_ARCH_WANTS_MODULES_DATA_IN_VMALLOC
which lets architectures to request having modules data in vmalloc
area instead of module area. There are three reasons why an
architecture might want this:
a) On some architectures (like book3s/32) it is not possible to
protect against execution on a page basis. The exec stuff can be
mapped by different arch segment sizes (on book3s/32 that is 256M
segments). By default the module area is in an Exec segment while
vmalloc area is in a NoExec segment. Using vmalloc lets you muck
with module data as NoExec on those architectures whereas before
you could not.
b) By pushing more module data to vmalloc you also increase the
probability of module text to remain within a closer distance
from kernel core text and this reduces trampolines, this has been
reported on arm first and powerpc folks are following that lead.
c) Free'ing module_alloc() (Exec by default) area leaves this
exposed as Exec by default, some architectures have some security
enhancements to set this as NoExec on free, and splitting module
data with text let's future generic special allocators be added
to the kernel without having developers try to grok the tribal
knowledge per arch. Work like Rick Edgecombe's permission vmalloc
interface [0] becomes easier to address over time.
[0] https://lore.kernel.org/lkml/20201120202426.18009-1-rick.p.edgecombe@intel.com/#r
- Masahiro Yamada's symbol search enhancements
* tag 'modules-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux: (33 commits)
module: merge check_exported_symbol() into find_exported_symbol_in_section()
module: do not binary-search in __ksymtab_gpl if fsa->gplok is false
module: do not pass opaque pointer for symbol search
module: show disallowed symbol name for inherit_taint()
module: fix [e_shstrndx].sh_size=0 OOB access
module: Introduce module unload taint tracking
module: Move module_assert_mutex_or_preempt() to internal.h
module: Make module_flags_taint() accept a module's taints bitmap and usable outside core code
module.h: simplify MODULE_IMPORT_NS
powerpc: Select ARCH_WANTS_MODULES_DATA_IN_VMALLOC on book3s/32 and 8xx
module: Remove module_addr_min and module_addr_max
module: Add CONFIG_ARCH_WANTS_MODULES_DATA_IN_VMALLOC
module: Introduce data_layout
module: Prepare for handling several RB trees
module: Always have struct mod_tree_root
module: Rename debug_align() as strict_align()
module: Rework layout alignment to avoid BUG_ON()s
module: Move module_enable_x() and frob_text() in strict_rwx.c
module: Make module_enable_x() independent of CONFIG_ARCH_HAS_STRICT_MODULE_RWX
module: Move version support into a separate file
...
|
||
|
Linus Torvalds
|
44d35720c9 |
sysctl changes for v5.19-rc1
For two kernel releases now kernel/sysctl.c has been being cleaned up slowly, since the tables were grossly long, sprinkled with tons of #ifdefs and all this caused merge conflicts with one susbystem or another. This tree was put together to help try to avoid conflicts with these cleanups going on different trees at time. So nothing exciting on this pull request, just cleanups. I actually had this sysctl-next tree up since v5.18 but I missed sending a pull request for it on time during the last merge window. And so these changes have been being soaking up on sysctl-next and so linux-next for a while. The last change was merged May 4th. Most of the compile issues were reported by 0day and fixed. To help avoid a conflict with bpf folks at Daniel Borkmann's request I merged bpf-next/pr/bpf-sysctl into sysctl-next to get the effor which moves the BPF sysctls from kernel/sysctl.c to BPF core. Possible merge conflicts and known resolutions as per linux-next: bfp: https://lkml.kernel.org/r/20220414112812.652190b5@canb.auug.org.au rcu: https://lkml.kernel.org/r/20220420153746.4790d532@canb.auug.org.au powerpc: https://lkml.kernel.org/r/20220520154055.7f964b76@canb.auug.org.au -----BEGIN PGP SIGNATURE----- iQJGBAABCgAwFiEENnNq2KuOejlQLZofziMdCjCSiKcFAmKOq8ASHG1jZ3JvZkBr ZXJuZWwub3JnAAoJEM4jHQowkoinDAkQAJVo5YVM9f74UwYp4PQhTpjxJBCjRoZD z1u9bp5rMj2ujTC8Fr7VmzKaHrb8+r1C1WvCvZtIzemYNB4lZUrHpVDYfXuXiPRB ihPmEjhlPO5PFBx6cVCpI3cu9bEhG00rLc1QXnABx/pXwNPcOTJAGZJVamZvqubk chjgZrb7N+adHPfvS55v1+zpwdeKfpp5U3zuu5qlT/nn0GS0HCVzOj5fj4oC4wtJ IqfUubo+FX50Ga58yQABWNrjaPD9Crykz5ohVazy3ElQl0hJ4VsK65ct3blqc2vz 1Bb8kPpWuv6aZ5nr1lCVE8qvF4ZIL33ySvpg5BSdWLQEDrBbSpzvJe9Yn7wgR+eq y7fhpO24+zRM82EoDMEvyxX9u1n1RsvoXRtf3ds9BGf63MUxk8a1cgjlU6vuyO2U JhDmfM1xzdKvPoY4COOnHzcAiIqzItTqKd09N5y0cahmYstROU8lvp9huhTAHqk1 SjQMbLIZG7OnX8ZeQcR1EB8sq/IOPZT48ejj0iJmQ8FyMaep71MOQLYyLPAq4lgh JHXm8P6QdB57jfJbqAeNSyZoK0qdxOUR/83Zcah7Jjns6vkju1DNatEsaEEI2y2M 4n7/rkHeZ3TyFHBUX4e9FomKvGLsAalDBRiqsuxLSOPMU8rGrNLAslOAtKwvp90X 4ht3M2VP098l =btwh -----END PGP SIGNATURE----- Merge tag 'sysctl-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux Pull sysctl updates from Luis Chamberlain: "For two kernel releases now kernel/sysctl.c has been being cleaned up slowly, since the tables were grossly long, sprinkled with tons of #ifdefs and all this caused merge conflicts with one susbystem or another. This tree was put together to help try to avoid conflicts with these cleanups going on different trees at time. So nothing exciting on this pull request, just cleanups. Thanks a lot to the Uniontech and Huawei folks for doing some of this nasty work" * tag 'sysctl-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux: (28 commits) sched: Fix build warning without CONFIG_SYSCTL reboot: Fix build warning without CONFIG_SYSCTL kernel/kexec_core: move kexec_core sysctls into its own file sysctl: minor cleanup in new_dir() ftrace: fix building with SYSCTL=y but DYNAMIC_FTRACE=n fs/proc: Introduce list_for_each_table_entry for proc sysctl mm: fix unused variable kernel warning when SYSCTL=n latencytop: move sysctl to its own file ftrace: fix building with SYSCTL=n but DYNAMIC_FTRACE=y ftrace: Fix build warning ftrace: move sysctl_ftrace_enabled to ftrace.c kernel/do_mount_initrd: move real_root_dev sysctls to its own file kernel/delayacct: move delayacct sysctls to its own file kernel/acct: move acct sysctls to its own file kernel/panic: move panic sysctls to its own file kernel/lockdep: move lockdep sysctls to its own file mm: move page-writeback sysctls to their own file mm: move oom_kill sysctls to their own file kernel/reboot: move reboot sysctls to its own file sched: Move energy_aware sysctls to topology.c ... |
||
|
Linus Torvalds
|
cdeffe87f7 |
- api: hrtimer fix
- qcom: log pending irq during resume minor cosmetic changes - omap: use pm_runtime_resume_and_get - imx: use pm_runtime_resume_and_get remove redundant initializer - mtk: added GCE header for MT8186 enable support for MT8186 - tegra: remove redundant NULL check added hsp_sm_ops for send/recv api support shared mailboxes - stm: remove unsupported "wakeup" irq - pcc: sanitize mbox allocated memory before use - misc: documentation fixes for arm_mhu and qcom-ipcc - -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE6EwehDt/SOnwFyTyf9lkf8eYP5UFAmKO3ZYACgkQf9lkf8eY P5VYug/8DfK0Ang0Sgw7DkT0w1TVY5sAUvq9EgA5z65HL2Vf6hdCMN5JAAVOBuqg L8BcKegci3/aa5rxbRXpjAcNAFVG9RiaZ6i0qrXL2QGpNGoqXDFH4z7thREjgCYz LgwSILyNneOovEuNqCFas7zyJSzzaIUCOybJgHA8ZVpCOnCKNHW5mZhi8tlCIbJ9 aY0rLD7Kc9ZLQ3N4JfvjtevaQ5EQR8EpMCQSIksdm5U9k8ej8dJPfDibUzM0PICU o1DAYG9WxsqibufkJjFYFKf3uxW6dlcWzhUB4QVP3gnmvSIicNfaHTNvOgYOeLYw d9yXz/ixxakVH2zGTCz6WELG8YQSzvzkjwOFAeDI7vNYgKE23v6l0Hj7dnc+akYW 08wP4Nyo5HRUPk4KnIOiRpNMw7QQKfS7Lufp8L6uwHVlf0uLBvoT49Px9d5ZdIO9 4pR8DLfuSfhU5swuhepipCs7z+NGfvMp2eeqqv1urfvlgjh9d2Y2A/g5qhC4/Zjt CK27rKIFTpL0Wn2r1pV6+1rLXc0x3o5CXJBFMNLYZEfMJ91ZvyS3InZqebIcUk7f 0yUzLGCSY0a86Xriq8lvkYs+roQxl4Gqm2Jwn9RQisQQ2Q1OOW0g2ZqaG7mZGQf3 v5/gq5w3x1rbHU5Cn8yuFMw8D9O0kJ6ExNdqHtfiNLkmcPMM8Vc= =f51u -----END PGP SIGNATURE----- Merge tag 'mailbox-v5.19' of git://git.linaro.org/landing-teams/working/fujitsu/integration Pull mailbox updates from Jassi Brar: "api: - hrtimer fix qcom: - log pending irq during resume - minor cosmetic changes omap: - use pm_runtime_resume_and_get imx: - use pm_runtime_resume_and_get - remove redundant initializer mtk: - added GCE header for MT8186 - enable support for MT8186 tegra: - remove redundant NULL check - added hsp_sm_ops for send/recv api - support shared mailboxes stm: - remove unsupported "wakeup" irq pcc: - sanitize mbox allocated memory before use misc: - documentation fixes for arm_mhu and qcom-ipcc" * tag 'mailbox-v5.19' of git://git.linaro.org/landing-teams/working/fujitsu/integration: mailbox: qcom-ipcc: Fix -Wunused-function with CONFIG_PM_SLEEP=n mailbox: forward the hrtimer if not queued and under a lock mailbox: qcom-ipcc: Log the pending interrupt during resume mailbox: pcc: Fix an invalid-load caught by the address sanitizer dt-bindings: mailbox: remove the IPCC "wakeup" IRQ mailbox: correct kerneldoc mailbox: omap: using pm_runtime_resume_and_get to simplify the code mailbox:imx: using pm_runtime_resume_and_get mailbox: mediatek: support mt8186 adsp mailbox dt-bindings: mailbox: mtk,adsp-mbox: add mt8186 compatible name mailbox: tegra-hsp: Add 128-bit shared mailbox support dt-bindings: tegra186-hsp: add type for shared mailboxes mailbox: tegra-hsp: Add tegra_hsp_sm_ops dt-bindings: gce: add the GCE header file for MT8186 mailbox: remove an unneeded NULL check on list iterator mailbox: imx: remove redundant initializer dt-bindings: mailbox: qcom-ipcc: simplify the example |
||
|
Linus Torvalds
|
7182e89769 |
gpio updates for v5.19
- use ioread()/iowrite() interfaces instead of raw inb()/outb() in drivers
- make irqchips immutable due to the new warning popping up when drivers try to
modify the irqchip structures
- add new compatibles to dt-bindings for realtek-otto, renesas-rcar and pca95xx
- add support for new models to gpio-rcar, gpio-pca953x & gpio-realtek-otto
- allow parsing of GPIO hogs represented as children nodes of gpio-uniphier
- define a set of common GPIO consumer strings in dt-bindings
- shrink code in gpio-ml-ioh by using more devres interfaces
- pass arguments to devm_kcalloc() in correct order in gpio-sim
- add new helpers for iterating over GPIO firmware nodes and descriptors to
gpiolib core and use it in several drivers
- drop unused syscon_regmap_lookup_by_compatible() function
- correct format specifiers and signedness of variables in GPIO ACPI
- drop unneeded error checks in gpio-ftgpio
- stop using the deprecated of_gpio.h header in gpio-zevio
- drop platform_data support in gpio-max732x
- simplify Kconfig dependencies in gpio-vf610
- use raw spinlocks where needed to make PREEMPT_RT happy
- fix return values in board files using gpio-pcf857x
- convert more drivers to using fwnode instead of of_node
- minor fixes and improvements in gpiolib core
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Merge tag 'gpio-updates-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"We have lots of small changes all over the place, but no huge reworks
or new drivers:
- use ioread()/iowrite() interfaces instead of raw inb()/outb() in
drivers
- make irqchips immutable due to the new warning popping up when
drivers try to modify the irqchip structures
- add new compatibles to dt-bindings for realtek-otto, renesas-rcar
and pca95xx
- add support for new models to gpio-rcar, gpio-pca953x &
gpio-realtek-otto
- allow parsing of GPIO hogs represented as children nodes of
gpio-uniphier
- define a set of common GPIO consumer strings in dt-bindings
- shrink code in gpio-ml-ioh by using more devres interfaces
- pass arguments to devm_kcalloc() in correct order in gpio-sim
- add new helpers for iterating over GPIO firmware nodes and
descriptors to gpiolib core and use it in several drivers
- drop unused syscon_regmap_lookup_by_compatible() function
- correct format specifiers and signedness of variables in GPIO ACPI
- drop unneeded error checks in gpio-ftgpio
- stop using the deprecated of_gpio.h header in gpio-zevio
- drop platform_data support in gpio-max732x
- simplify Kconfig dependencies in gpio-vf610
- use raw spinlocks where needed to make PREEMPT_RT happy
- fix return values in board files using gpio-pcf857x
- convert more drivers to using fwnode instead of of_node
- minor fixes and improvements in gpiolib core"
* tag 'gpio-updates-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (55 commits)
gpio: sifive: Make the irqchip immutable
gpio: rcar: Make the irqchip immutable
gpio: pcf857x: Make the irqchip immutable
gpio: pca953x: Make the irqchip immutable
gpio: dwapb: Make the irqchip immutable
gpio: sim: Use correct order for the parameters of devm_kcalloc()
gpio: ml-ioh: Convert to use managed functions pcim* and devm_*
gpio: ftgpio: Remove unneeded ERROR check before clk_disable_unprepare
gpio: ws16c48: Utilize iomap interface
gpio: gpio-mm: Utilize iomap interface
gpio: 104-idio-16: Utilize iomap interface
gpio: 104-idi-48: Utilize iomap interface
gpio: 104-dio-48e: Utilize iomap interface
gpio: zevio: drop of_gpio.h header
gpio: max77620: Make the irqchip immutable
dt-bindings: gpio: pca95xx: add entry for pca6408
gpio: pca953xx: Add support for pca6408
gpio: max732x: Drop unused support for irq and setup code via platform data
gpio: vf610: drop the SOC_VF610 dependency for GPIO_VF610
gpio: syscon: Remove usage of syscon_regmap_lookup_by_compatible
...
|
||
|
Linus Torvalds
|
f1f88bb51f |
chrome platform changes for 5.19
cros_ec: * Fix wrong error handling path. * Clean-up patches. cros_ec_chardev: * Re-introduce cros_ec_cmd_xfer to fix ABI broken. cros_ec_lpcs: * Support the Framework Laptop. cros_ec_typec: * Fix NULL dereference. chromeos_acpi: * Add ChromeOS ACPI device driver. * Fix Sphinx errors when `make htmldocs`. misc: * Drop BUG_ON()s. -----BEGIN PGP SIGNATURE----- iIkEABYIADEWIQS0yQeDP3cjLyifNRUrxTEGBto89AUCYoxDdBMcdHp1bmdiaUBr ZXJuZWwub3JnAAoJECvFMQYG2jz0UtgA/i2XEXq9znb7BriG43ZvplcFD4sMVGcQ xz4V4jHjNWIPAQDPOf28QMybiBQv3wWpLrx+gBLhYxRvEoeWxmbwN0UHAA== =9qNL -----END PGP SIGNATURE----- Merge tag 'tag-chrome-platform-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux Pull chrome platform updates from Tzung-Bi Shih: "cros_ec: - Fix wrong error handling path - Clean-up patches cros_ec_chardev: - Re-introduce cros_ec_cmd_xfer to fix ABI broken cros_ec_lpcs: - Support the Framework Laptop cros_ec_typec: - Fix NULL dereference chromeos_acpi: - Add ChromeOS ACPI device driver - Fix Sphinx errors when `make htmldocs` misc: - Drop BUG_ON()s" * tag 'tag-chrome-platform-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux: platform/chrome: Use imperative mood for ChromeOS ACPI sysfs ABI descriptions platform/chrome: Use tables for values lists of ChromeOS ACPI sysfs ABI platform/chrome: cros_ec_spi: drop BUG_ON() if `din` isn't large enough platform/chrome: cros_ec_spi: drop unneeded BUG_ON() platform/chrome: cros_ec_i2c: drop BUG_ON() in cros_ec_pkt_xfer_i2c() platform/chrome: cros_ec_proto: drop BUG_ON() in cros_ec_get_host_event() platform/chrome: cros_ec_proto: drop BUG_ON() in cros_ec_prepare_tx() platform/chrome: correct cros_ec_prepare_tx() usage platform/chrome: cros_ec_proto: drop unneeded BUG_ON() in prepare_packet() platform/chrome: Add ChromeOS ACPI device driver platform/chrome: cros_ec_typec: Check for EC driver platform/chrome: cros_ec_lpcs: reserve the MEC LPC I/O ports first platform/chrome: cros_ec_lpcs: detect the Framework Laptop platform/chrome: Re-introduce cros_ec_cmd_xfer and use it for ioctls platform/chrome: cros_ec: append newline to all logs platform/chrome: cros_ec: sort header inclusion alphabetically platform/chrome: cros_ec: determine `wake_enabled` in cros_ec_suspend() platform/chrome: cros_ec: remove unused variable `was_wake_device` platform/chrome: cros_ec: fix error handling in cros_ec_register() |
||
Sean Young
|
b1c8312c6b |
media: lirc: add missing exceptions for lirc uapi header file
Commit |
||
|
Linus Torvalds
|
bf9095424d |
S390:
* ultravisor communication device driver
* fix TEID on terminating storage key ops
RISC-V:
* Added Sv57x4 support for G-stage page table
* Added range based local HFENCE functions
* Added remote HFENCE functions based on VCPU requests
* Added ISA extension registers in ONE_REG interface
* Updated KVM RISC-V maintainers entry to cover selftests support
ARM:
* Add support for the ARMv8.6 WFxT extension
* Guard pages for the EL2 stacks
* Trap and emulate AArch32 ID registers to hide unsupported features
* Ability to select and save/restore the set of hypercalls exposed
to the guest
* Support for PSCI-initiated suspend in collaboration with userspace
* GICv3 register-based LPI invalidation support
* Move host PMU event merging into the vcpu data structure
* GICv3 ITS save/restore fixes
* The usual set of small-scale cleanups and fixes
x86:
* New ioctls to get/set TSC frequency for a whole VM
* Allow userspace to opt out of hypercall patching
* Only do MSR filtering for MSRs accessed by rdmsr/wrmsr
AMD SEV improvements:
* Add KVM_EXIT_SHUTDOWN metadata for SEV-ES
* V_TSC_AUX support
Nested virtualization improvements for AMD:
* Support for "nested nested" optimizations (nested vVMLOAD/VMSAVE,
nested vGIF)
* Allow AVIC to co-exist with a nested guest running
* Fixes for LBR virtualizations when a nested guest is running,
and nested LBR virtualization support
* PAUSE filtering for nested hypervisors
Guest support:
* Decoupling of vcpu_is_preempted from PV spinlocks
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm updates from Paolo Bonzini:
"S390:
- ultravisor communication device driver
- fix TEID on terminating storage key ops
RISC-V:
- Added Sv57x4 support for G-stage page table
- Added range based local HFENCE functions
- Added remote HFENCE functions based on VCPU requests
- Added ISA extension registers in ONE_REG interface
- Updated KVM RISC-V maintainers entry to cover selftests support
ARM:
- Add support for the ARMv8.6 WFxT extension
- Guard pages for the EL2 stacks
- Trap and emulate AArch32 ID registers to hide unsupported features
- Ability to select and save/restore the set of hypercalls exposed to
the guest
- Support for PSCI-initiated suspend in collaboration with userspace
- GICv3 register-based LPI invalidation support
- Move host PMU event merging into the vcpu data structure
- GICv3 ITS save/restore fixes
- The usual set of small-scale cleanups and fixes
x86:
- New ioctls to get/set TSC frequency for a whole VM
- Allow userspace to opt out of hypercall patching
- Only do MSR filtering for MSRs accessed by rdmsr/wrmsr
AMD SEV improvements:
- Add KVM_EXIT_SHUTDOWN metadata for SEV-ES
- V_TSC_AUX support
Nested virtualization improvements for AMD:
- Support for "nested nested" optimizations (nested vVMLOAD/VMSAVE,
nested vGIF)
- Allow AVIC to co-exist with a nested guest running
- Fixes for LBR virtualizations when a nested guest is running, and
nested LBR virtualization support
- PAUSE filtering for nested hypervisors
Guest support:
- Decoupling of vcpu_is_preempted from PV spinlocks"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (199 commits)
KVM: x86: Fix the intel_pt PMI handling wrongly considered from guest
KVM: selftests: x86: Sync the new name of the test case to .gitignore
Documentation: kvm: reorder ARM-specific section about KVM_SYSTEM_EVENT_SUSPEND
x86, kvm: use correct GFP flags for preemption disabled
KVM: LAPIC: Drop pending LAPIC timer injection when canceling the timer
x86/kvm: Alloc dummy async #PF token outside of raw spinlock
KVM: x86: avoid calling x86 emulator without a decoded instruction
KVM: SVM: Use kzalloc for sev ioctl interfaces to prevent kernel data leak
x86/fpu: KVM: Set the base guest FPU uABI size to sizeof(struct kvm_xsave)
s390/uv_uapi: depend on CONFIG_S390
KVM: selftests: x86: Fix test failure on arch lbr capable platforms
KVM: LAPIC: Trace LAPIC timer expiration on every vmentry
KVM: s390: selftest: Test suppression indication on key prot exception
KVM: s390: Don't indicate suppression on dirtying, failing memop
selftests: drivers/s390x: Add uvdevice tests
drivers/s390/char: Add Ultravisor io device
MAINTAINERS: Update KVM RISC-V entry to cover selftests support
RISC-V: KVM: Introduce ISA extension register
RISC-V: KVM: Cleanup stale TLB entries when host CPU changes
RISC-V: KVM: Add remote HFENCE functions based on VCPU requests
...
|
||
|
Linus Torvalds
|
98931dd95f |
Yang Shi has improved the behaviour of khugepaged collapsing of readonly
file-backed transparent hugepages.
Johannes Weiner has arranged for zswap memory use to be tracked and
managed on a per-cgroup basis.
Munchun Song adds a /proc knob ("hugetlb_optimize_vmemmap") for runtime
enablement of the recent huge page vmemmap optimization feature.
Baolin Wang contributes a series to fix some issues around hugetlb
pagetable invalidation.
Zhenwei Pi has fixed some interactions between hwpoisoned pages and
virtualization.
Tong Tiangen has enabled the use of the presently x86-only
page_table_check debugging feature on arm64 and riscv.
David Vernet has done some fixup work on the memcg selftests.
Peter Xu has taught userfaultfd to handle write protection faults against
shmem- and hugetlbfs-backed files.
More DAMON development from SeongJae Park - adding online tuning of the
feature and support for monitoring of fixed virtual address ranges. Also
easier discovery of which monitoring operations are available.
Nadav Amit has done some optimization of TLB flushing during mprotect().
Neil Brown continues to labor away at improving our swap-over-NFS support.
David Hildenbrand has some fixes to anon page COWing versus
get_user_pages().
Peng Liu fixed some errors in the core hugetlb code.
Joao Martins has reduced the amount of memory consumed by device-dax's
compound devmaps.
Some cleanups of the arch-specific pagemap code from Anshuman Khandual.
Muchun Song has found and fixed some errors in the TLB flushing of
transparent hugepages.
Roman Gushchin has done more work on the memcg selftests.
And, of course, many smaller fixes and cleanups. Notably, the customary
million cleanup serieses from Miaohe Lin.
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Merge tag 'mm-stable-2022-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
"Almost all of MM here. A few things are still getting finished off,
reviewed, etc.
- Yang Shi has improved the behaviour of khugepaged collapsing of
readonly file-backed transparent hugepages.
- Johannes Weiner has arranged for zswap memory use to be tracked and
managed on a per-cgroup basis.
- Munchun Song adds a /proc knob ("hugetlb_optimize_vmemmap") for
runtime enablement of the recent huge page vmemmap optimization
feature.
- Baolin Wang contributes a series to fix some issues around hugetlb
pagetable invalidation.
- Zhenwei Pi has fixed some interactions between hwpoisoned pages and
virtualization.
- Tong Tiangen has enabled the use of the presently x86-only
page_table_check debugging feature on arm64 and riscv.
- David Vernet has done some fixup work on the memcg selftests.
- Peter Xu has taught userfaultfd to handle write protection faults
against shmem- and hugetlbfs-backed files.
- More DAMON development from SeongJae Park - adding online tuning of
the feature and support for monitoring of fixed virtual address
ranges. Also easier discovery of which monitoring operations are
available.
- Nadav Amit has done some optimization of TLB flushing during
mprotect().
- Neil Brown continues to labor away at improving our swap-over-NFS
support.
- David Hildenbrand has some fixes to anon page COWing versus
get_user_pages().
- Peng Liu fixed some errors in the core hugetlb code.
- Joao Martins has reduced the amount of memory consumed by
device-dax's compound devmaps.
- Some cleanups of the arch-specific pagemap code from Anshuman
Khandual.
- Muchun Song has found and fixed some errors in the TLB flushing of
transparent hugepages.
- Roman Gushchin has done more work on the memcg selftests.
... and, of course, many smaller fixes and cleanups. Notably, the
customary million cleanup serieses from Miaohe Lin"
* tag 'mm-stable-2022-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (381 commits)
mm: kfence: use PAGE_ALIGNED helper
selftests: vm: add the "settings" file with timeout variable
selftests: vm: add "test_hmm.sh" to TEST_FILES
selftests: vm: check numa_available() before operating "merge_across_nodes" in ksm_tests
selftests: vm: add migration to the .gitignore
selftests/vm/pkeys: fix typo in comment
ksm: fix typo in comment
selftests: vm: add process_mrelease tests
Revert "mm/vmscan: never demote for memcg reclaim"
mm/kfence: print disabling or re-enabling message
include/trace/events/percpu.h: cleanup for "percpu: improve percpu_alloc_percpu event trace"
include/trace/events/mmflags.h: cleanup for "tracing: incorrect gfp_t conversion"
mm: fix a potential infinite loop in start_isolate_page_range()
MAINTAINERS: add Muchun as co-maintainer for HugeTLB
zram: fix Kconfig dependency warning
mm/shmem: fix shmem folio swapoff hang
cgroup: fix an error handling path in alloc_pagecache_max_30M()
mm: damon: use HPAGE_PMD_SIZE
tracing: incorrect isolate_mote_t cast in mm_vmscan_lru_isolate
nodemask.h: fix compilation error with GCC12
...
|
||
|
Linus Torvalds
|
df202b452f |
Kbuild updates for v5.19
- Add HOSTPKG_CONFIG env variable to allow users to override pkg-config
- Support W=e as a shorthand for KCFLAGS=-Werror
- Fix CONFIG_IKHEADERS build to support toybox cpio
- Add scripts/dummy-tools/pahole to ease distro packagers' life
- Suppress false-positive warnings from checksyscalls.sh for W=2 build
- Factor out the common code of arch/*/boot/install.sh into
scripts/install.sh
- Support 'kernel-install' tool in scripts/prune-kernel
- Refactor module-versioning to link the symbol versions at the final
link of vmlinux and modules
- Remove CONFIG_MODULE_REL_CRCS because module-versioning now works in
an arch-agnostic way
- Refactor modpost, Makefiles
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Merge tag 'kbuild-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Add HOSTPKG_CONFIG env variable to allow users to override pkg-config
- Support W=e as a shorthand for KCFLAGS=-Werror
- Fix CONFIG_IKHEADERS build to support toybox cpio
- Add scripts/dummy-tools/pahole to ease distro packagers' life
- Suppress false-positive warnings from checksyscalls.sh for W=2 build
- Factor out the common code of arch/*/boot/install.sh into
scripts/install.sh
- Support 'kernel-install' tool in scripts/prune-kernel
- Refactor module-versioning to link the symbol versions at the final
link of vmlinux and modules
- Remove CONFIG_MODULE_REL_CRCS because module-versioning now works in
an arch-agnostic way
- Refactor modpost, Makefiles
* tag 'kbuild-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (56 commits)
genksyms: adjust the output format to modpost
kbuild: stop merging *.symversions
kbuild: link symbol CRCs at final link, removing CONFIG_MODULE_REL_CRCS
modpost: extract symbol versions from *.cmd files
modpost: add sym_find_with_module() helper
modpost: change the license of EXPORT_SYMBOL to bool type
modpost: remove left-over cross_compile declaration
kbuild: record symbol versions in *.cmd files
kbuild: generate a list of objects in vmlinux
modpost: move *.mod.c generation to write_mod_c_files()
modpost: merge add_{intree_flag,retpoline,staging_flag} to add_header
scripts/prune-kernel: Use kernel-install if available
kbuild: factor out the common installation code into scripts/install.sh
modpost: split new_symbol() to symbol allocation and hash table addition
modpost: make sym_add_exported() always allocate a new symbol
modpost: make multiple export error
modpost: dump Module.symvers in the same order of modules.order
modpost: traverse the namespace_list in order
modpost: use doubly linked list for dump_lists
modpost: traverse unresolved symbols in order
...
|
||
|
Linus Torvalds
|
16477cdfef |
asm-generic changes for 5.19
The asm-generic tree contains three separate changes for linux-5.19:
- The h8300 architecture is retired after it has been effectively
unmaintained for a number of years. This is the last architecture we
supported that has no MMU implementation, but there are still a few
architectures (arm, m68k, riscv, sh and xtensa) that support CPUs with
and without an MMU.
- A series to add a generic ticket spinlock that can be shared by most
architectures with a working cmpxchg or ll/sc type atomic, including
the conversion of riscv, csky and openrisc. This series is also a
prerequisite for the loongarch64 architecture port that will come as
a separate pull request.
- A cleanup of some exported uapi header files to ensure they can be
included from user space without relying on other kernel headers.
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Merge tag 'asm-generic-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic updates from Arnd Bergmann:
"The asm-generic tree contains three separate changes for linux-5.19:
- The h8300 architecture is retired after it has been effectively
unmaintained for a number of years. This is the last architecture
we supported that has no MMU implementation, but there are still a
few architectures (arm, m68k, riscv, sh and xtensa) that support
CPUs with and without an MMU.
- A series to add a generic ticket spinlock that can be shared by
most architectures with a working cmpxchg or ll/sc type atomic,
including the conversion of riscv, csky and openrisc. This series
is also a prerequisite for the loongarch64 architecture port that
will come as a separate pull request.
- A cleanup of some exported uapi header files to ensure they can be
included from user space without relying on other kernel headers"
* tag 'asm-generic-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
h8300: remove stale bindings and symlink
sparc: add asm/stat.h to UAPI compile-test coverage
powerpc: add asm/stat.h to UAPI compile-test coverage
mips: add asm/stat.h to UAPI compile-test coverage
riscv: add linux/bpf_perf_event.h to UAPI compile-test coverage
kbuild: prevent exported headers from including <stdlib.h>, <stdbool.h>
agpgart.h: do not include <stdlib.h> from exported header
csky: Move to generic ticket-spinlock
RISC-V: Move to queued RW locks
RISC-V: Move to generic spinlocks
openrisc: Move to ticket-spinlock
asm-generic: qrwlock: Document the spinlock fairness requirements
asm-generic: qspinlock: Indicate the use of mixed-size atomics
asm-generic: ticket-lock: New generic ticket-based spinlock
remove the h8300 architecture
|
||
|
Linus Torvalds
|
ecf0aa5317 |
ARM: ARMv4T/v5 multiplatform support for v5.19, part 1
This series has been 12 years in the making, it mostly finishes the work that was started with the founding of Linaro to clean up platform support in the kernel. The largest change here is a cleanup of the omap1 platform, which is the final ARM machine type to get converted to the common-clk subsystem. All the omap1 specific drivers are now made independent of the mach/*.h headers to allow the platform to be part of a generic ARMv4/v5 multiplatform kernel. The last bit that enables this support is still missing here while we wait for some last dependencies to make it into the mainline kernel through other subsystems. The s3c24xx, ixp4xx, iop32x, ep93xx and dove platforms were all almost at the point of allowing multiplatform kernels, this work gets completed here along with a few additional cleanup. At the same time, the s3c24xx and s3c64xx are now deprecated and expected to get removed in the future. The PXA and OMAP1 bits are in a separate branch because of dependencies. Once both branches are merged, only the three Intel StrongARM platforms (RiscPC, Footbridge/NetWinder and StrongARM1100) need separate kernels, and there are no plans to include these. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEo6/YBQwIrVS28WGKmmx57+YAGNkFAmKOP3sACgkQmmx57+YA GNk+DhAAmrPNuS8JDlCRPa76Nd9PC9aitnnEGYytQ6bgwexKd3qdvP7gdUtr7jlV 8k4KiGnnZZjEGd4i5cAVhSCyBbCt4oPKhato62KneEsO19xLsVmmTpQg1LPK75do mHYKpc+6932Lp6WrtI1F75id0phx684tpZp9P4ggXwMwgYkagq9rcO+mGUNZWDc8 D9SdAmoObtSCoBCYYbq2VhAPA79mSKKVpLGehzd+Gq5cuf/jJQD0u1E00izkdyZc r/5acQ7PHQlVXqSONYgCpkvDTqmjg9cvVCKeKLpFspV3f6vBVRgV60UGfwhpdPHY N119KUJtPf81xnLSxsqBFA34LMSerrH72YM5cYupKiiYcTDr+Yw6zrtNR6ktkt/B F1Tc/QV+A9CGergxljy39G1smEuwKtNiVA//NSlUORCHxgwa5XUB0mQIzNcWARa4 oMDLhBF7ES211CB7Yto2FR6gBQbh2A9HSpjOh6kxdHrRb4FCgoXjPhzBoMxPoSFu XIzJpMb18K4bI+hKRYddEOK5V0kHt9mzT7ViGT/2+n13IHKIGmKrZxwDH7mohAW9 4GF77gGbQsE9szajkx5EG1t+PWextQeeMyYW05bXO/mbDwA0n7EdjGpBeedvTZw3 6gUWVahfYp9hZWPdxJ4fbGnlbSovCq0y4tj5fbZHPh6AOAtmvWY= =CTtN -----END PGP SIGNATURE----- Merge tag 'arm-multiplatform-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull ARMv4T/v5 multiplatform support from Arnd Bergmann: "This series has been 12 years in the making, it mostly finishes the work that was started with the founding of Linaro to clean up platform support in the kernel. The largest change here is a cleanup of the omap1 platform, which is the final ARM machine type to get converted to the common-clk subsystem. All the omap1 specific drivers are now made independent of the mach/*.h headers to allow the platform to be part of a generic ARMv4/v5 multiplatform kernel. The last bit that enables this support is still missing here while we wait for some last dependencies to make it into the mainline kernel through other subsystems. The s3c24xx, ixp4xx, iop32x, ep93xx and dove platforms were all almost at the point of allowing multiplatform kernels, this work gets completed here along with a few additional cleanup. At the same time, the s3c24xx and s3c64xx are now deprecated and expected to get removed in the future. The PXA and OMAP1 bits are in a separate branch because of dependencies. Once both branches are merged, only the three Intel StrongARM platforms (RiscPC, Footbridge/NetWinder and StrongARM1100) need separate kernels, and there are no plans to include these" * tag 'arm-multiplatform-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (61 commits) ARM: ixp4xx: Consolidate Kconfig fixing issue ARM: versatile: Add missing of_node_put in dcscb_init ARM: config: Refresh IXP4xx config after multiplatform ARM: omap1: add back omap_set_dma_priority() stub ARM: omap: fix missing declaration warnings ARM: omap: fix address space warnings from sparse ARM: spear: remove include/mach/ subdirectory ARM: davinci: remove include/mach/ subdirectory ARM: omap2: remove include/mach/ subdirectory integrator: remove empty ap_init_early() ARM: s3c: fix include path MAINTAINERS: omap1: Add Janusz as an additional maintainer ARM: omap1: htc_herald: fix typos in comments ARM: OMAP1: fix typos in comments ARM: OMAP1: clock: Remove noop code ARM: OMAP1: clock: Remove unused code ARM: OMAP1: clock: Fix UART rate reporting algorithm ARM: OMAP1: clock: Fix early UART rate issues ARM: OMAP1: Prepare for conversion of OMAP1 clocks to CCF ARM: omap1: fix build with no SoC selected ... |
||
|
Linus Torvalds
|
a0439cf4ec |
ARM: defconfig updates for 5.19
Lots of smaller additions to the defconfig files for both 32-bit and 64-bit arm platforms, enabling drivers that are now usable on common hardware, and a few options to make it possible to boot a file system image using systemd. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEo6/YBQwIrVS28WGKmmx57+YAGNkFAmKOQ2EACgkQmmx57+YA GNmaRxAAtqPojqqVPuUAtwhj05CHfoD4EsKtqptXMOHenZBnY4w8d6cXgN1Iapqe 1DHG2lXYlqls89u+tSQ6GCPUdRgCvbPjahGnuZ+W9buHkYUEADBiulRJlnopzHQX sUDcL7bs3hPgUegyEbh+RspKdxGHEU0mtJ5ghdPa523Wl7XMd4LLWgPom9YVwqE5 y14iASsuCnPfkL2ro7wtmtMuEVMvGInBQzy3NTc/cBda3nEI3pDrJOLuos1YByaU euoZfePu2JbFS+2xhH6BOJ5oz0ClqvY3NZmW0V+G1R6hPmnDz18WlyrjrQZRS4o/ x+NCLFJdMp8TlJgYkg5nCmdrjAbaor5S5qXTaA3D+TMjPURG0Aoiotho8VjSriwD Uy5irnkn+26sn6ivgKxja+qDJISvKXujScZA1dZwcyQmY+0cwLg/sgS4AhJU4uT3 I2ENqIq7cm9xq4ZZWwVAIFGh/F3XbSS5z3YrMFvKphDpDTvrYysWNGKQijjGTeqp pgXU7P1TGpWnUkqUMO/Hd6WxtI56aEeQ4u0P+53Na3hFfvO/zzUkNdS3dahjCUbI fBdowjrqln11eMu8ixygWj3QRNKf8ADIs7McVzbGNmvKyc+4XTtA43xMimM/azbq JaoUsUBUX0589n9ONjEF/8TR4pftH9Y9sK9TuQVHaISsHpeka3o= =+8LA -----END PGP SIGNATURE----- Merge tag 'arm-defconfig-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull ARM defconfig updates from Arnd Bergmann: "Lots of smaller additions to the defconfig files for both 32-bit and 64-bit arm platforms, enabling drivers that are now usable on common hardware, and a few options to make it possible to boot a file system image using systemd" * tag 'arm-defconfig-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (39 commits) ARM: configs: Enable ASoC AC'97 glue ARM: configs: Enable audio on BeagleBone Black in multi_v7_defconfig ARM: configs: at91: Enable AUTOFS_FS required by systemd ARM: configs: at91: Enable options required for systemd ARM: configs: at91: sama7: enable CONFIG_RESET_CONTROLLER ARM: configs: at91: sama7: add MCHP PDMC and DMIC drivers ARM: configs: at91: sama7: Enable MTD_UBI_BLOCK ARM: configs: at91: sama7: Enable MTD_UBI_FASTMAP ARM: configs: at91: sama7: add xisc and csi2dc ARM: multi_v7_defconfig: add atmel video pipeline modules ARM: configs: at91: Remove MTD_BLOCK and use MTD_UBI_BLOCK for read only block FS arm64: defconfig: Enable the WM8524 codec driver arm64: defconfig: Enable modules for arm displays arm: nomadik: drop selecting obsolete CLKSRC_NOMADIK_MTU_SCHED_CLOCK arm64: defconfig: Enable Renesas RZ/V2M SoC arm64: defconfig: Enable ARCH_R9A07G043 arm64: defconfig: Enable configs for DisplayPort on J721e arm64: defconfig: Build Tegra ASRC module ARM: multi_v7_defconfig: enable CONFIG_ARCH_BCMBCA in armv7 defconfig arm: mediatek: select arch timer for mt7629 ... |
||
|
Linus Torvalds
|
cc3c470ae4 |
ARM: driver changes for 5.19
There are minor updates to SoC specific drivers for chips by Rockchip,
Samsung, NVIDIA, TI, NXP, i.MX, Qualcomm, and Broadcom. Noteworthy
driver changes include:
- Several conversions of DT bindings to yaml format.
- Renesas adds driver support for R-Car V4H, RZ/V2M and RZ/G2UL SoCs.
- Qualcomm adds a bus driver for the SSC (Snapdragon Sensor Core),
and support for more chips in the RPMh power domains and the soc-id.
- NXP has a new driver for the HDMI blk-ctrl on i.MX8MP.
- Apple M1 gains support for the on-chip NVMe controller, making it
possible to finally use the internal disks. This also includes SoC
drivers for their RTKit IPC and for the SART DMA address filter.
For other subsystems that merge their drivers through the SoC tree,
we have
- Firmware drivers for the ARM firmware stack including TEE, OP-TEE,
SCMI and FF-A get a number of smaller updates and cleanups. OP-TEE
now has a cache for firmware argument structures as an optimization,
and SCMI now supports the 3.1 version of the specification.
- Reset controller updates to Amlogic, ASpeed, Renesas and ACPI drivers
- Memory controller updates for Tegra, and a few updates for other
platforms.
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Merge tag 'arm-drivers-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM driver updates from Arnd Bergmann:
"There are minor updates to SoC specific drivers for chips by Rockchip,
Samsung, NVIDIA, TI, NXP, i.MX, Qualcomm, and Broadcom.
Noteworthy driver changes include:
- Several conversions of DT bindings to yaml format.
- Renesas adds driver support for R-Car V4H, RZ/V2M and RZ/G2UL SoCs.
- Qualcomm adds a bus driver for the SSC (Snapdragon Sensor Core),
and support for more chips in the RPMh power domains and the
soc-id.
- NXP has a new driver for the HDMI blk-ctrl on i.MX8MP.
- Apple M1 gains support for the on-chip NVMe controller, making it
possible to finally use the internal disks. This also includes SoC
drivers for their RTKit IPC and for the SART DMA address filter.
For other subsystems that merge their drivers through the SoC tree, we
have
- Firmware drivers for the ARM firmware stack including TEE, OP-TEE,
SCMI and FF-A get a number of smaller updates and cleanups. OP-TEE
now has a cache for firmware argument structures as an
optimization, and SCMI now supports the 3.1 version of the
specification.
- Reset controller updates to Amlogic, ASpeed, Renesas and ACPI
drivers
- Memory controller updates for Tegra, and a few updates for other
platforms"
* tag 'arm-drivers-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (159 commits)
memory: tegra: Add MC error logging on Tegra186 onward
memory: tegra: Add memory controller channels support
memory: tegra: Add APE memory clients for Tegra234
memory: tegra: Add Tegra234 support
nvme-apple: fix sparse endianess warnings
soc/tegra: pmc: Document core domain fields
soc: qcom: pdr: use static for servreg_* variables
soc: imx: fix semicolon.cocci warnings
soc: renesas: R-Car V3U is R-Car Gen4
soc: imx: add i.MX8MP HDMI blk-ctrl
soc: imx: imx8m-blk-ctrl: Add i.MX8MP media blk-ctrl
soc: imx: add i.MX8MP HSIO blk-ctrl
soc: imx: imx8m-blk-ctrl: set power device name
soc: qcom: llcc: Add sc8180x and sc8280xp configurations
dt-bindings: arm: msm: Add sc8180x and sc8280xp LLCC compatibles
soc/tegra: pmc: Select REGMAP
dt-bindings: reset: st,sti-powerdown: Convert to yaml
dt-bindings: reset: st,sti-picophyreset: Convert to yaml
dt-bindings: reset: socfpga: Convert to yaml
dt-bindings: reset: snps,axs10x-reset: Convert to yaml
...
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Linus Torvalds
|
ae86218328 |
ARM: DT changes for 5.19, part 1
There are 40 branches this time, adding a lot of new hardware
support, and cleanups. Krzysztof Kozlowski continues his treewide
cleanups.
There are a number of new SoCs, all of them as part of existing
families, and typically added along with a reference board:
- Renesas RZ/G2UL (R9A07G043) is the single-core version of the RZ/G2L
general-purpose MPU.
- Renesas RZ/V2M (R9A09G011) is a smart camera SoC
- Renesas R-Car V4H (R8A779G0) is an automotive chip with Cortex-A76
cores and deep learning accerlation.
- Broadcom BCM47622 is a new broadband SoC based on a quad Cortex-A7
and dual Wifi-6.
- Corstone1000 is a generic platform from Arm that is used for designing
custom SoCs, the support for now is for the Fixed Virtual Platform
emulation for it.
- Mediatek MT8195 (Kompanio 1200) is a high-end consumer chip used
in upcoming Chromebooks.
- NXP i.MXRT1050 is a Cortex-M7 based microcontroller, the first
MMU-less SoC to be added in a while
New machines based on already supported SoCs this time are mainly
for 32-bit platforms and include:
- Two wireless routers based on Broadcom bcm4708
- 30 new boards based on NXP i.MX6, i.MX7 and i.MX8 families, mostly
for the industrial embedded market, and on NXP LS1021A based
IOT board.
- Two ethernet switches based on Microchip LAN966
- Eight Qualcomm Snapdragon based machines, including a smartwatch,
a Chromebook board and some phones
- Another phone based on the old ST-Ericsson Ux500 platform
- Seven STM32MP1 based boards
- Four single-board computers based on Rockchip RK3566/RK3568
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Merge tag 'arm-dt-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM DT updates from Arnd Bergmann:
"There are 40 branches this time, adding a lot of new hardware support,
and cleanups. Krzysztof Kozlowski continues his treewide cleanups.
There are a number of new SoCs, all of them as part of existing
families, and typically added along with a reference board:
- Renesas RZ/G2UL (R9A07G043) is the single-core version of the
RZ/G2L general-purpose MPU.
- Renesas RZ/V2M (R9A09G011) is a smart camera SoC
- Renesas R-Car V4H (R8A779G0) is an automotive chip with Cortex-A76
cores and deep learning accerlation.
- Broadcom BCM47622 is a new broadband SoC based on a quad Cortex-A7
and dual Wifi-6.
- Corstone1000 is a generic platform from Arm that is used for
designing custom SoCs, the support for now is for the Fixed Virtual
Platform emulation for it.
- Mediatek MT8195 (Kompanio 1200) is a high-end consumer chip used in
upcoming Chromebooks.
- NXP i.MXRT1050 is a Cortex-M7 based microcontroller, the first
MMU-less SoC to be added in a while
New machines based on already supported SoCs this time are mainly for
32-bit platforms and include:
- Two wireless routers based on Broadcom bcm4708
- 30 new boards based on NXP i.MX6, i.MX7 and i.MX8 families, mostly
for the industrial embedded market, and on NXP LS1021A based IOT
board.
- Two ethernet switches based on Microchip LAN966
- Eight Qualcomm Snapdragon based machines, including a smartwatch, a
Chromebook board and some phones
- Another phone based on the old ST-Ericsson Ux500 platform
- Seven STM32MP1 based boards
- Four single-board computers based on Rockchip RK3566/RK3568"
* tag 'arm-dt-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (791 commits)
ARM: dts: kswitch-d10: enable networking
ARM: dts: lan966x: add switch node
ARM: dts: lan966x: add serdes node
ARM: dts: lan966x: add reset switch reset node
ARM: dts: lan966x: add MIIM nodes
ARM: dts: lan966x: add hwmon node
ARM: dts: lan966x: add basic Kontron KSwitch D10 support
ARM: dts: lan966x: add flexcom I2C nodes
ARM: dts: lan966x: add flexcom SPI nodes
ARM: dts: lan966x: add all flexcom usart nodes
ARM: dts: lan966x: add missing uart DMA channel
ARM: dts: lan966x: add sgpio node
ARM: dts: lan966x: swap dma channels for crypto node
ARM: dts: lan966x: rename pinctrl nodes
ARM: dts: at91: sama7g5: remove interrupt-parent from gic node
ARM: dts: at91: use generic node name for dataflash
ARM: dts: turris-omnia: Add atsha204a node
arm64: dts: mt8192: Follow binding order for SCP registers
arm64: dts: mediatek: add mtk-snfi for mt7622
arm64: dts: mediatek: mt8195-demo: enable uart1
...
|
||
|
Linus Torvalds
|
c011dd537f |
ARM: updates for 32-bit SoCs
These updates are for platform specific code in arch/arm/, mostly fixing minor issues. The at91 platform gains support for better power management on the lan966 platform and new firmware on the sama5 platform. The mediatek soc drivers in turn are enabled for the new mt8195 SoC. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEo6/YBQwIrVS28WGKmmx57+YAGNkFAmKORHMACgkQmmx57+YA GNnKYA//QhTTZePOMqHZHBVU4dqJuHrjd+rwME5u7a6hqSe3VYaFao6LF+P5fAzR IWk8svgCJLIdRx4tnA+kE7LIBsJoPwXYxhGUlgM5CfrxYClQuofnWP58Z+EbIAXx VIboLBW1Anw5y7zw+0JkB01DMuGzDDFnUJ4Y+0M3aW3VGC8wJXc+dM+t8BWOn7OW DNTcXfJgkRJBtzT++tMU4Z7Kmn//i4xohuT7dwJW4vvIfTL350Bl5Z1EHGnScfMk HgbJD5iF7Z12jj7ureuWengr/MN1eAPs18ZdWRcmo4Ie5IDWB50dMoYifjp/tslO oXRODrGCuX9yOjcjleGU1mAbb7zqoaThZcbI0yjVOaVwyU0fQR9NFJTqmSEEX97p LPZHU1CtAjRns7BW3ons9wPhy4s1xSPopJaHiXDwMMzAlx+kTcoFlFFvWCSlrcOC MMo+eN1BQ3SbIxi3Ji3p6MnmSLIiE/wq4nKCEagKAv+AjtqRXYDIsT+28A96Xgeo 1R5agDamDMp0h6ZrhHMGSIgppWe+qvX14Jp3Hw0Nocgdyf8ABDR9H3/gZasXKbZu LrbNLn3vNVKTMn9YpM0T94Uwf0nFPH6MOzFVmjahRute3TU7ioSXxbVPpNuiOkXj RFXe1YUoILjLJgHZSUEpdHP+meGUjeScHTQt6jV97WfTeq2ZALg= =Eoh1 -----END PGP SIGNATURE----- Merge tag 'arm-soc-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull 32-bit ARM SoC updates from Arnd Bergmann: "These updates are for platform specific code in arch/arm/, mostly fixing minor issues. The at91 platform gains support for better power management on the lan966 platform and new firmware on the sama5 platform. The mediatek soc drivers in turn are enabled for the new mt8195 SoC" * tag 'arm-soc-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (34 commits) ARM: at91: debug: add lan966 support ARM: at91: pm: add support for sama5d2 secure suspend ARM: at91: add code to handle secure calls ARM: at91: Kconfig: implement PIT64B selection ARM: at91: pm: add quirks for pm ARM: at91: pm: use kernel documentation style ARM: at91: pm: introduce macros for pm mode replacement ARM: at91: pm: keep documentation inline with structure members orion5x: fix typos in comments ARM: hisi: Add missing of_node_put after of_find_compatible_node ARM: shmobile: rcar-gen2: Drop comma after OF match table sentinel ARM: shmobile: Drop commas after dt_compat sentinels soc: mediatek: mutex: remove mt8195 MOD0 and SOF0 definition MAINTAINERS: Add Broadcom BCMBCA entry arm: bcmbca: add arch bcmbca machine entry MAINTAINERS: Broadcom internal lists aren't maintainers dt-bindings: pwrap: mediatek: Update pwrap document for mt8195 soc: mediatek: add DDP_DOMPONENT_DITHER0 enum for mt8195 vdosys0 soc: mediatek: add mtk-mutex support for mt8195 vdosys0 soc: mediatek: add mtk-mmsys support for mt8195 vdosys0 ... |
||
Uros Bizjak
|
3378323bbb |
locking/lockref: Use try_cmpxchg64 in CMPXCHG_LOOP macro
Use try_cmpxchg64 instead of cmpxchg64 in CMPXCHG_LOOP macro. x86 CMPXCHG instruction returns success in ZF flag, so this change saves a compare after cmpxchg (and related move instruction in front of cmpxchg). The main loop of lockref_get improves from: 13: 48 89 c1 mov %rax,%rcx 16: 48 c1 f9 20 sar $0x20,%rcx 1a: 83 c1 01 add $0x1,%ecx 1d: 48 89 ce mov %rcx,%rsi 20: 89 c1 mov %eax,%ecx 22: 48 89 d0 mov %rdx,%rax 25: 48 c1 e6 20 shl $0x20,%rsi 29: 48 09 f1 or %rsi,%rcx 2c: f0 48 0f b1 4d 00 lock cmpxchg %rcx,0x0(%rbp) 32: 48 39 d0 cmp %rdx,%rax 35: 75 17 jne 4e <lockref_get+0x4e> to: 13: 48 89 ca mov %rcx,%rdx 16: 48 c1 fa 20 sar $0x20,%rdx 1a: 83 c2 01 add $0x1,%edx 1d: 48 89 d6 mov %rdx,%rsi 20: 89 ca mov %ecx,%edx 22: 48 c1 e6 20 shl $0x20,%rsi 26: 48 09 f2 or %rsi,%rdx 29: f0 48 0f b1 55 00 lock cmpxchg %rdx,0x0(%rbp) 2f: 75 02 jne 33 <lockref_get+0x33> [ Michael Ellerman and Mark Rutland confirm that code generation on powerpc and arm64 respectively is also ok, even though they do not have a native arch_try_cmpxchg() implementation, and rely on the default fallback case - Linus ] Signed-off-by: Uros Bizjak <ubizjak@gmail.com> Tested-by: Michael Ellerman <mpe@ellerman.id.au> Tested-by: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Waiman.Long@hp.com Cc: paulmck@linux.vnet.ibm.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
Chuck Lever
|
08af54b3e5 |
NFSD: nfsd_file_put() can sleep
Now that there are no more callers of nfsd_file_put() that might hold a spin lock, ensure the lockdep infrastructure can catch newly introduced calls to nfsd_file_put() made while a spinlock is held. Link: https://lore.kernel.org/linux-nfs/ece7fd1d-5fb3-5155-54ba-347cfc19bd9a@oracle.com/T/#mf1855552570cf9a9c80d1e49d91438cd9085aada Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> |
||
|
Chuck Lever
|
043862b09c |
NFSD: Add documenting comment for nfsd4_release_lockowner()
And return explicit nfserr values that match what is documented in the new comment / API contract. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> |
||
|
Chuck Lever
|
bd8fdb6e54 |
NFSD: Modernize nfsd4_release_lockowner()
Refactor: Use existing helpers that other lock operations use. This change removes several automatic variables, so re-organize the variable declarations for readability. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> |