linux-kernel - Re: [PATCH 1/2] x86, reboot: revert stop_other

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Message-ID: <20120507131021.GE23858@gmail.com>
Date:	Mon, 7 May 2012 15:10:21 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Don Zickus <dzickus@...hat.com>
Cc:	x86@...nel.org, LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH 1/2] x86, reboot: revert stop_other_cpus to using IRQ
 with NMI fallback


* Don Zickus <dzickus@...hat.com> wrote:

> The end result of this more 
> complicated-looking-diff-than-it-really-is, is a patch that 
> mostly reverts
> 
> 3603a25 x86, reboot: Use NMI instead of REBOOT_VECTOR to stop cpus
> 
> and instead just sticks another if-case after the REBOOT_IRQ 
> and checks to see if online_cpus are still > 1, and if so, 
> clobber the rest of the cpus with an NMI.

Ok, would be nice to shape this as a 'dumb' revert as-is, and do 
the simple change in a separate patch, or so. That makes it 
easier to review (and easier to debug, should it break).

Thanks,

	Ingo
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