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authorLinus Torvalds <torvalds@linux-foundation.org>2022-12-12 19:03:49 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2022-12-12 19:03:49 +0300
commitf433cf2102fec78cf05ece06fb8e24fbfc6a64d8 (patch)
treec34ee84aa3a985a32f33211617e4816c046b3560 /lib
parent5517a2eaec8f525506867988adc6cfe1c414c90a (diff)
parent144b9152791ffcd038c3b63063999b25780060d8 (diff)
downloadlinux-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.kcsan6
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