From: Jason Wang <jasowang@redhat.com>
To: "H. Peter Anvin" <hpa@zytor.com>,
kys@microsoft.com, haiyangz@microsoft.com, tglx@linutronix.de,
mingo@redhat.com, x86@kernel.org, devel@linuxdriverproject.org,
linux-kernel@vger.kernel.org
Cc: "stable@vger.kernel.org >> Stable" <stable@vger.kernel.org>
Subject: Re: [PATCH] x86, hyperv: bypass the timer_irq_works() check
Date: Sun, 26 Jan 2014 12:42:30 +0800 [thread overview]
Message-ID: <52E49236.6080805@redhat.com> (raw)
In-Reply-To: <52E2D904.6020608@zytor.com>
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@microsoft.com>
>> Cc: Haiyang Zhang <haiyangz@microsoft.com>
>> Signed-off-by: Jason Wang <jasowang@redhat.com>
> This should be in -stable, right?
>
> -hpa
>
>
Oh, right.
Cc: <stable@vger.kernel.org>
next parent reply other threads:[~2014-01-26 4:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1390543371-10748-1-git-send-email-jasowang@redhat.com>
[not found] ` <52E2D904.6020608@zytor.com>
2014-01-26 4:42 ` Jason Wang [this message]
2014-02-11 8:30 ` [PATCH] x86, hyperv: bypass the timer_irq_works() check Jason Wang
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