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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-10-14 15:14:20 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-10-14 15:14:20 -0400 |
| commit | 60a6ca6c943bee3c76b5905e66d5fcd83ae8d34f (patch) | |
| tree | d9e96036c963ace769577e3ebf6af76fafcc8948 /lib | |
| parent | 2b34218e893a0ff39f6f46517cb5df2f990db8c0 (diff) | |
| parent | b483cf3bc249d7af706390efa63d6671e80d1c09 (diff) | |
| download | linux-60a6ca6c943bee3c76b5905e66d5fcd83ae8d34f.tar.bz2 | |
Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Ingo Molnar:
"Two lockdep fixes for bugs introduced by the cross-release dependency
tracking feature - plus a commit that disables it because performance
regressed in an absymal fashion on some systems"
* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/lockdep: Disable cross-release features for now
locking/selftest: Avoid false BUG report
locking/lockdep: Fix stacktrace mess
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 4 | ||||
| -rw-r--r-- | lib/locking-selftest.c | 2 |
2 files changed, 4 insertions, 2 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index c1e720a22c71..dfdad67d8f6c 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1092,8 +1092,8 @@ config PROVE_LOCKING select DEBUG_MUTEXES select DEBUG_RT_MUTEXES if RT_MUTEXES select DEBUG_LOCK_ALLOC - select LOCKDEP_CROSSRELEASE - select LOCKDEP_COMPLETIONS + select LOCKDEP_CROSSRELEASE if BROKEN + select LOCKDEP_COMPLETIONS if BROKEN select TRACE_IRQFLAGS default n help diff --git a/lib/locking-selftest.c b/lib/locking-selftest.c index cd0b5c964bd0..2b827b8a1d8c 100644 --- a/lib/locking-selftest.c +++ b/lib/locking-selftest.c @@ -2031,11 +2031,13 @@ void locking_selftest(void) print_testname("mixed read-lock/lock-write ABBA"); pr_cont(" |"); dotest(rlock_ABBA1, FAILURE, LOCKTYPE_RWLOCK); +#ifdef CONFIG_PROVE_LOCKING /* * Lockdep does indeed fail here, but there's nothing we can do about * that now. Don't kill lockdep for it. */ unexpected_testcase_failures--; +#endif pr_cont(" |"); dotest(rwsem_ABBA1, FAILURE, LOCKTYPE_RWSEM); |