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| author | Peter Zijlstra <peterz@infradead.org> | 2017-08-28 14:42:45 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-08-29 15:15:17 +0200 |
| commit | d82fed75294229abc9d757f08a4817febae6c4f4 (patch) | |
| tree | c3efefae71e4e11df469ca68f5dab855ace0e7c4 /lib/locking-selftest.c | |
| parent | sched/completion: Avoid unnecessary stack allocation for COMPLETION_INITIALIZ... (diff) | |
| download | linux-d82fed75294229abc9d757f08a4817febae6c4f4.tar.xz linux-d82fed75294229abc9d757f08a4817febae6c4f4.zip | |
locking/lockdep/selftests: Fix mixed read-write ABBA tests
Commit:
e91498589746 ("locking/lockdep/selftests: Add mixed read-write ABBA tests")
adds an explicit FAILURE to the locking selftest but overlooked the
fact that this kills lockdep. Fudge the test to avoid this.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: hpa@zytor.com
Link: http://lkml.kernel.org/r/20170828124245.xlo2yshxq2btgmuf@hirez.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'lib/locking-selftest.c')
| -rw-r--r-- | lib/locking-selftest.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/locking-selftest.c b/lib/locking-selftest.c index 3c7151a6cd98..cd0b5c964bd0 100644 --- a/lib/locking-selftest.c +++ b/lib/locking-selftest.c @@ -2031,6 +2031,12 @@ void locking_selftest(void) print_testname("mixed read-lock/lock-write ABBA"); pr_cont(" |"); dotest(rlock_ABBA1, FAILURE, LOCKTYPE_RWLOCK); + /* + * Lockdep does indeed fail here, but there's nothing we can do about + * that now. Don't kill lockdep for it. + */ + unexpected_testcase_failures--; + pr_cont(" |"); dotest(rwsem_ABBA1, FAILURE, LOCKTYPE_RWSEM); |