Re: [PATCH] perf/x86: fix RAPL rdmsrl_safe() usage

[Venkatesh Srinivas]

On Wed, Apr 23, 2014 at 12:00 PM, Borislav Petkov <bp@xxxxxxxxx> wrote:
> On Wed, Apr 23, 2014 at 07:04:19PM +0200, Stephane Eranian wrote:
>>
>> This patch fixes a bug introduced by commit 24223657.
>
> Maybe add
>
> Fixes: <commit-id>
>
> tag?
>
>> The rdmsrl_safe() function returns 0 on success.
>> The current code was failing to detect the RAPL PMU
>> on real hardware  (missing /sys/devices/power) because
>> the return value of rdmsrl_safe() was misinterpreted.
>>
>> Signed-off-by: Stephane Eranian <eranian@xxxxxxxxxx>
>
> Acked-by: Borislav Petkov <bp@xxxxxxx>

Brown-Paper-Bag-Worn-By: Venkatesh Srinivas <venkateshs@xxxxxxxxxx>

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