Messages in this thread | | | Date | Fri, 11 May 2007 18:17:56 -0700 | From | Andrew Morton <> | Subject | Re: 2.6.21-mm2: HDAPS? BUG: at kernel/mutex.c:311 |
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On Fri, 11 May 2007 17:53:35 -0700 Andrew Morton <akpm@linux-foundation.org> wrote:
> And indeed that's buggy - the non-debug version of spin_lock_mutex() is not > irq-safe. > > I'd say that's pretty dumb of the mutex interface, really. Doing a > mutex_trylock() should be OK from all contexts.
We can fix this in a low-impact fashion by making mutex_trylock() do a spin_trylock() on mutex->wait_lock, no?
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