Re: [PATCH] x86: make reboot task only run on the appropriateprocessor
From: Dave Young
Date: Thu Nov 07 2013 - 20:34:33 EST
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@xxxxxxx>:
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@xxxxxxx
> 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@xxxxxxxxxxxxxxx
> is added as well then.
I also like it to be in stable.
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