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Date: Fri, 11 May 2007 18:17:56 -0700 From: Andrew Morton <akpm@...ux-foundation.org> To: Matt Mackall <mpm@...enic.com>, rlove@...ve.org, linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>, Dmitry Torokhov <dtor@...l.ru> Subject: Re: 2.6.21-mm2: HDAPS? BUG: at kernel/mutex.c:311 On Fri, 11 May 2007 17:53:35 -0700 Andrew Morton <akpm@...ux-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? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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