On Tue, Jul 30, 2013 at 6:41 PM, Peter Zijlstra <pet...@infradead.org> wrote: > On Tue, Jul 30, 2013 at 10:13:41AM +0200, Maarten Lankhorst wrote: >> The check needs to be for > 1, because ctx->acquired is already incremented. >> This will prevent ww_mutex_lock_slow from returning -EDEADLK and not locking >> the mutex. It caused a lot of false gpu lockups on radeon with >> CONFIG_DEBUG_WW_MUTEX_SLOWPATH=y because a function that shouldn't be able >> to return -EDEADLK did. >> >> Cc: Alex Deucher <alexander.deuc...@amd.com> >> Signed-off-by: Maarten Lankhorst <maarten.lankho...@canonical.com>
Should this be merged via Ingo? or will I queue it in my -fixes? Dave. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
