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Date:	Fri, 8 Nov 2013 09:33:30 +0800
From:	Dave Young <dyoung@...hat.com>
To:	Baoquan He <bhe@...hat.com>
Cc:	linux-kernel@...r.kernel.org, mwhitehe@...hat.com, x86@...nel.org,
	chaowang@...hat.com, kexec@...ts.infradead.org,
	davej@...oraproject.org, mingo@...hat.com, holt@....com,
	hpa@...or.com, rmk+kernel@....linux.org.uk, tglx@...utronix.de,
	akpm@...ux-foundation.org, vgoyal@...hat.com, trenn@...e.de,
	stable@...r.kernel.org
Subject: Re: [PATCH] x86: make reboot task only run on the appropriate
 processor

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@...e.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@...e.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@...r.kernel.org
> is added as well then.
>

I also like it to be in stable.

Thanks
Dave
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