Re: [uml-devel] [PATCH resend] um, hweight: Fix UML boot crash

From: AmÃrico Wang
Date: Wed Jun 09 2010 - 05:29:14 EST

On Wed, Jun 09, 2010 at 10:46:01AM +0200, Geert Uytterhoeven wrote:
>On Wed, Jun 9, 2010 at 10:09, Boaz Harrosh <bharrosh@xxxxxxxxxxx> wrote:
>> On 06/09/2010 11:04 AM, Boaz Harrosh wrote:
>>> From: Borislav Petkov <bp@xxxxxxxxx>
>>> Obviously UML cannot stomach callee reg-saving trickery
>>> introduced with d61931d89be506372d01a90d1755f6d0a9fafe2d
>>> (x86: Add optimized popcnt variants) and oopses during boot:
>>> Redirect arch_hweight.h include from the x86 portion to the generic
>>> arch_hweight.h which is a fallback to the software hweight routines.
>>> LKML-Reference: <201005271944.09541.toralf.foerster@xxxxxx>
>>> Signed-off-by: Borislav Petkov <bp@xxxxxxxxx>
>Tested-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
>> who's going to push this ASAP. I was just (again) 3/4 through a bisect
>> on 2.6.35-rc2. When I finally realized "Hey that patch, I forgot".
>> (My concentration is not what it used to be)
>> Please push this, someone
>Peter, are you happy with this?
>Although we still don't know why UML cannot grok it, it does fix a
>regression in post-2.6.34.

Usually Andrew should take UML patches.
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