Re: FAILED: patch "[PATCH] hrtimers: Move SMP function call to thread context" failed to apply to 3.10-stable tree

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On 19/07/13 03:32, Zhouping Liu wrote:
> On 07/19/2013 01:36 AM, Greg KH wrote:
>> On Thu, Jul 18, 2013 at 03:57:26PM +0800, Zhouping Liu wrote:
>>> On 07/18/2013 01:00 PM, gregkh@xxxxxxxxxxxxxxxxxxx wrote:
>>>> The patch below does not apply to the 3.10-stable tree.
>>>> If someone wants it applied there, or to any other stable or longterm
>>>> tree, then please email the backport, including the original git commit
>>>> id to <stable@xxxxxxxxxxxxxxx>.
>>> Hi Greg,
>>>
>>> Its prerequisite patch is:
>>> 7c4c3a0f18b hrtimers: Support resuming with two or more CPUs online (but
>>> stopped)
>>> how about also back-port this patch?
>> I could do that, but from reading the changelog comments below, is this
>> patch really needed for 3.10-stable?  3.11 seems to make sense, as some
>> other code was using this api and causing problems, but that isn't in
>> 3.10 from what I can tell, right?
> 
> Agreed.
> 
>>
>> So, is it really needed for 3.10?
> 
> I can't judge it, as I'm not similar for timer, but depending on the
> patch's changelog comments,
> it's a performance improved for Xen guest, so can anyone give some
> comments about backporting
> it to 3.10-stable?

We do not want 7c4c3a0f18b (hrtimers: Support resuming with two or more
CPUs online (but stopped)) backported to stable trees.

Please take Thomas's backport instead.

David
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