From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: "Jakub W. Jozwicki" <jozwicki@aster.pl>
Cc: linux-kernel@vger.kernel.org, jgarzik@redhat.com
Subject: Re: [PATCH 2.6.25.10 1/2] libata: fix locking for kmap_atomic
Date: Sun, 13 Jul 2008 11:25:43 +0100 [thread overview]
Message-ID: <20080713112543.2dc9d6f7@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <200807130127.36706.jozwicki@aster.pl>
On Sun, 13 Jul 2008 01:27:36 +0200
"Jakub W. Jozwicki" <jozwicki@aster.pl> wrote:
> Change locking surrounding kmap_atomic from local_irqsave to
> local_irqsave_nort. This fixes issues with PREEMPT_RT.
>
> Signed-off-by: Jakub Jozwicki <jozwicki@aster.pl>
The right way to fix this is to use a bounce buffer. I sent Jeff patches
to do that a couple of times. I'm not sure what has happened to them
since ? So NAK this, we should apply the patch to actually fix the bug
instead.
Jeff ?
Alan
next prev parent reply other threads:[~2008-07-13 10:43 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-12 23:27 Jakub W. Jozwicki
2008-07-13 8:26 ` Andrew Morton
2008-07-13 13:17 ` Jakub W. Jozwicki
2008-07-13 17:46 ` Jeremy Fitzhardinge
2008-07-13 18:53 ` Jakub W. Jozwicki
2008-07-13 21:32 ` Jeremy Fitzhardinge
2008-07-13 10:25 ` Alan Cox [this message]
2008-07-13 13:30 ` Jakub W. Jozwicki
2008-07-13 14:15 ` Alan Cox
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