Re: [Xen-devel] [PATCH 1/2] Xen/MCA: bugfix for mca bank clear

["Liu, Jinsong" <jinsong.liu@xxxxxxxxx>]

Jan Beulich wrote:
>>>> On 12.03.13 at 09:05, "Ren, Yongjie" <yongjie.ren@xxxxxxxxx> wrote:
>>> From: Liu, Jinsong
>>> Would you please test Jan's patch at *the* WSM-EX machine? It
>>> should be fine but test is necessary and better.
>> 
>> Your patch can work fine during my testing.
>> Tested-by: Yongjie Ren <yongjie.ren@xxxxxxxxx>
> 
> Jinsong,
> 
> so I think your concerns regarding broadcast not working were in
> fact misguided then? With the tool interposing values on the
> target CPU only, MSR reads and writes should end up to be
> consistent on every individual CPU (either always reading real
> MSRs and clearing them based on those real values, or always
> reading interposed values, and skipping the clearing write upon
> detection of reads having returned fake values).

Yes :)

> 
> Hence even if the tool interposed values on multiple CPUs, things
> ought to work fine as long as those values are consistent.
> 
> If you agree, do you mind putting your acked-by under the patch?
> 
> Jan

Sure,

Acked-by: Liu Jinsong <jinsong.liu@xxxxxxxxx>


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