Messages in this thread | | | Date | Mon, 25 Nov 2013 10:53:23 +0100 | From | Peter Zijlstra <> | Subject | Re: kernel BUG at drivers/md/raid5.c:693! |
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On Mon, Nov 25, 2013 at 10:35:22AM +1100, NeilBrown wrote: > Ingo/Peter: is it considered OK to call wake_up while holding a spinlock?
Yes, very much so. Doing a wakeup isn't _that_ expensive.
> Could "sleeping spinlocks" affect this at all? (some sample stack traces are > below).
Not entirely sure, are you referencing to -rt where me make spinlock_t pi-mutexes?
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