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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-12-12 08:03:49 -0800 |
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| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-12-12 08:03:49 -0800 |
| commit | f433cf2102fec78cf05ece06fb8e24fbfc6a64d8 (patch) | |
| tree | c34ee84aa3a985a32f33211617e4816c046b3560 /tools | |
| parent | 5517a2eaec8f525506867988adc6cfe1c414c90a (diff) | |
| parent | 144b9152791ffcd038c3b63063999b25780060d8 (diff) | |
| download | lwn-f433cf2102fec78cf05ece06fb8e24fbfc6a64d8.tar.gz lwn-f433cf2102fec78cf05ece06fb8e24fbfc6a64d8.zip | |
Merge tag 'kcsan.2022.12.02a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull KCSAN updates from Paul McKenney:
- Add instrumentation for memcpy(), memset(), and memmove() for Clang
v16+'s new function names that are used when the -fsanitize=thread
argument is given
- Fix objtool warnings from KCSAN's volatile instrumentation, and typos
in a pair of Kconfig options' help clauses
* tag 'kcsan.2022.12.02a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
kcsan: Fix trivial typo in Kconfig help comments
objtool, kcsan: Add volatile read/write instrumentation to whitelist
kcsan: Instrument memcpy/memset/memmove with newer Clang
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/objtool/check.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 43ec14c29a60..a7f1e6c8bb0a 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -999,6 +999,16 @@ static const char *uaccess_safe_builtin[] = { "__tsan_read_write4", "__tsan_read_write8", "__tsan_read_write16", + "__tsan_volatile_read1", + "__tsan_volatile_read2", + "__tsan_volatile_read4", + "__tsan_volatile_read8", + "__tsan_volatile_read16", + "__tsan_volatile_write1", + "__tsan_volatile_write2", + "__tsan_volatile_write4", + "__tsan_volatile_write8", + "__tsan_volatile_write16", "__tsan_atomic8_load", "__tsan_atomic16_load", "__tsan_atomic32_load", |