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 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?


Thanks,
Zhouping
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