Re: [PATCH -tip] x86: do_boot_cpu - check if we have ESR register

From: Maciej W. Rozycki
Date: Wed Oct 22 2008 - 11:29:54 EST


On Wed, 22 Oct 2008, Cyrill Gorcunov wrote:

> We should touch ESR register if only we have it.
> The patch fixes the problem mentoined here
>
> http://lkml.org/lkml/2008/10/17/147
>
> Signed-off-by: Cyrill Gorcunov <gorcunov@xxxxxxxxx>
> CC: Glauber Costa <glommer@xxxxxxxxx>
> ---

Acked-by: Maciej W. Rozycki <macro@xxxxxxxxxxxxxx>

Note this is one of the few places you can actually write to the ESR
unconditionally -- there is another similar piece of code elsewhere in
this file which could get adjusted to look the same as this one after your
change. Thanks for this fix.

Maciej
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