From: Ingo Molnar <mingo@elte.hu>
To: Brice Goglin <Brice.Goglin@ens-lyon.org>
Cc: Andrew Morton <akpm@osdl.org>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.15-mm4
Date: Sun, 15 Jan 2006 05:42:05 +0100 [thread overview]
Message-ID: <20060115044205.GA7456@elte.hu> (raw)
In-Reply-To: <43C9CE62.9070302@ens-lyon.org>
* Brice Goglin <Brice.Goglin@ens-lyon.org> wrote:
> >Could you try the patch below?
>
> Yes, it does fix it. What's the bug ? The mutexes are supposed to work
> where semaphores do, aren't they ?
no, not always. We could introduce mutex_trylock_irqsafe() and
mutex_unlock_irqsafe(), but it's probably not worth doing it - it's just
3-4 cases so far, out of hundreds of mutex conversions.
Ingo
next prev parent reply other threads:[~2006-01-15 4:41 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-14 15:34 2.6.15-mm4 Brice Goglin
2006-01-15 4:07 ` 2.6.15-mm4 Ingo Molnar
2006-01-15 4:24 ` 2.6.15-mm4 Brice Goglin
2006-01-15 4:42 ` Ingo Molnar [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-01-14 13:51 2.6.15-mm4 Andrew Morton
2006-01-14 22:49 ` 2.6.15-mm4 Reuben Farrelly
2006-01-16 4:08 ` 2.6.15-mm4 Tejun Heo
2006-01-14 23:10 ` 2.6.15-mm4 Reuben Farrelly
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