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SubjectRe: [PATCH] x86: make reboot task only run on the appropriate processor
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Yes, unless there is a better path for it since it is not x86-specific.  I am fine taking it, though.

Vivek Goyal <vgoyal@redhat.com> wrote:
>On Fri, Nov 08, 2013 at 08:12:00AM -0800, H. Peter Anvin wrote:
>> On 11/08/2013 07:14 AM, Vivek Goyal wrote:
>> >
>> > Hi Bao,
>> >
>> > This patch fixes the issue for me too. I noticed that we have
>generic
>> > function migrate_to_reboot_cpu() to achieve what we want and rest
>of
>> > the reboot paths are using it. So how about using that function. I
>> > wrote the new patch below. It works for me. Can you please give it
>> > a try.
>> >
>> > Thanks
>> > Vivek
>> >
>>
>> Is this path exercised for the kdump flow? migrate_to_reboot_cpu()
>is
>> unsafe in that case.
>
>Hi Peter,
>
>Can you please consider queuing up this patch for next release.
>
>Thanks
>Vivek
>
>>
>> > Index: linux-2.6/kernel/kexec.c
>> > ===================================================================
>> > --- linux-2.6.orig/kernel/kexec.c 2013-10-16 00:30:50.000000000
>-0400
>> > +++ linux-2.6/kernel/kexec.c 2013-11-08 21:34:02.492072375 -0500
>> > @@ -1676,6 +1676,7 @@ int kernel_kexec(void)
>> > #endif
>> > {
>> > kernel_restart_prepare(NULL);
>> > + migrate_to_reboot_cpu();
>> > printk(KERN_EMERG "Starting new kernel\n");
>> > machine_shutdown();
>> > }
>> >

--
Sent from my mobile phone. Please pardon brevity and lack of formatting.


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