| Subject | Re: lockdep oddity | From | Daniel Walker <> | Date | Tue, 05 Sep 2006 13:07:47 -0700 |
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On Tue, 2006-09-05 at 15:03 +0200, Heiko Carstens wrote:
> > Found this will debugging some random memory corruptions that happen when > CONFIG_PROVE_LOCKING and CONFIG_PROFILE_LIKELY are both on. > Switching both off or having only one of them on seems to work.
There's potential for a some issues in current -mm , given the config above. If you us the generic atomic operations (asm-generic/bitops/atomic.h) for test_and_set_bit(). It eventually calls into trace_hardirqs_off() and then back into likely profiling.
What architecture are you running this on?
Daniel
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