[PATCH] x86: make reboot task only run on the appropriate processor

[Dave Young]

On 11/05/13 at 05:16pm, Baoquan He wrote:
> Currently system always reboot after below message when execute "kexec -e".
> 
> [    0.572119] smpboot: Booting Node   0, Processors  #   1 OK
> 
> In commit 1b3a5d02ee070c8f9943333b9b6370f486601e0f, reboot= handling was
> moved to kerne/reboot.c. However, the code to migrate current thread to
> reboot cpu was removed. That cause this incorrect kexec behavior.
> 
> Now add that code block back.

quote a mail from Thomas Renninger <trenn at suse.de>:
Answer his questions here.

> > For the smp boot issue I think there's nothing to do with dracut.
> >
> > Can you try below patch?
> > https://lkml.org/lkml/2013/11/5/88
>
> That seem to have helped, thanks!
>
> Feel free to add:
>
> Tested-by: trenn at suse.de
>
> The problem existed in 3.11 already?
> I had the problem with a 3.11 kernel and tried a
> 3.12 kernel with this patch now.

It's a regression between 3.10 ~ 3.11

>
> It would be great if:
> Cc: stable at vger.kernel.org
> is added as well then.
>

I also like it to be in stable.

Thanks
Dave