[PATCH] x86, hyperv: bypass the timer_irq_works() check

Jason Wang jasowang at redhat.com
Sun Jan 26 04:42:30 UTC 2014


On 01/25/2014 05:20 AM, H. Peter Anvin wrote:
> On 01/23/2014 10:02 PM, Jason Wang wrote:
>> This patch bypass the timer_irq_works() check for hyperv guest since:
>>
>> - It was guaranteed to work.
>> - timer_irq_works() may fail sometime due to the lpj calibration were inaccurate
>>   in a hyperv guest or a buggy host.
>>
>> In the future, we should get the tsc frequency from hypervisor and use preset
>> lpj instead.
>>
>> Cc: K. Y. Srinivasan <kys at microsoft.com>
>> Cc: Haiyang Zhang <haiyangz at microsoft.com>
>> Signed-off-by: Jason Wang <jasowang at redhat.com>
> This should be in -stable, right?
>
> 	-hpa
>
>

Oh, right.

Cc: <stable at vger.kernel.org>


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