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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-12-12 19:03:49 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-12-12 19:03:49 +0300 |
| commit | f433cf2102fec78cf05ece06fb8e24fbfc6a64d8 (patch) | |
| tree | c34ee84aa3a985a32f33211617e4816c046b3560 /lib | |
| parent | 5517a2eaec8f525506867988adc6cfe1c414c90a (diff) | |
| parent | 144b9152791ffcd038c3b63063999b25780060d8 (diff) | |
| download | linux-f433cf2102fec78cf05ece06fb8e24fbfc6a64d8.tar.xz | |
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 'lib')
| -rw-r--r-- | lib/Kconfig.kcsan | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/Kconfig.kcsan b/lib/Kconfig.kcsan index 47a693c45864..375575a5a0e3 100644 --- a/lib/Kconfig.kcsan +++ b/lib/Kconfig.kcsan @@ -125,7 +125,7 @@ config KCSAN_SKIP_WATCH default 4000 help The number of per-CPU memory operations to skip, before another - watchpoint is set up, i.e. one in KCSAN_WATCH_SKIP per-CPU + watchpoint is set up, i.e. one in KCSAN_SKIP_WATCH per-CPU memory operations are used to set up a watchpoint. A smaller value results in more aggressive race detection, whereas a larger value improves system performance at the cost of missing some races. @@ -135,8 +135,8 @@ config KCSAN_SKIP_WATCH_RANDOMIZE default y help If instruction skip count should be randomized, where the maximum is - KCSAN_WATCH_SKIP. If false, the chosen value is always - KCSAN_WATCH_SKIP. + KCSAN_SKIP_WATCH. If false, the chosen value is always + KCSAN_SKIP_WATCH. config KCSAN_INTERRUPT_WATCHER bool "Interruptible watchers" if !KCSAN_STRICT |