linux-kernel - Re: File corruption when using kernels 2.6.18+

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Message-ID: <84144f020710022218x147ffc74y477c0a1be3e60d66@mail.gmail.com>
Date:	Wed, 3 Oct 2007 08:18:55 +0300
From:	"Pekka Enberg" <penberg@...helsinki.fi>
To:	"Neil Romig" <neil@...ig.demon.co.uk>
Cc:	linux-kernel@...r.kernel.org, hyoshiok@...aclelinux.com
Subject: Re: File corruption when using kernels 2.6.18+

Hi Neil,

On 10/3/07, Neil Romig <neil@...ig.demon.co.uk> wrote:
> Thanks for your help on this. I have narrowed it down to commit
> "c22ce143d15eb288543fe9873e1c5ac1c01b69a1 x86: cache pollution aware
> __copy_from_user_ll()". This fits with the errors I'm getting, so now I need
> to find out if I can safely ignore this patch, or does it have to be modified?
> This is my first Linux bug in many years of simply using it, so I'm a little
> nervous!

Just to make sure, if you disable CONFIG_X86_INTEL_USERCOPY, the
corruption goes away?
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