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DateSun, 13 Jul 2008 11:25:43 +0100
FromAlan Cox <>
SubjectRe: [PATCH 2.6.25.10 1/2] libata: fix locking for kmap_atomic
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


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