linux-kernel - Re: [PATCH] powerpc/smp: Do not disable IPI interrupts during suspend

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Date:	Fri, 14 Sep 2012 08:11:35 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Kumar Gala <galak@...nel.crashing.org>
Cc:	"linuxppc-dev@...ts.ozlabs.org list" <linuxppc-dev@...ts.ozlabs.org>,
	Zhao Chenhui <chenhui.zhao@...escale.com>,
	"linux-kernel@...r.kernel.org list" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] powerpc/smp: Do not disable IPI interrupts during
 suspend

On Thu, 2012-09-13 at 13:16 -0500, Kumar Gala wrote:
> >> Yes, we disabled all non-boot CPUs on suspend by calling
> disable_nonboot_cpus().
> >> The disable_nonboot_cpus() needs IPIs to work. But prior to
> >> calling disable_nonboot_cpus(), the IPIs are disabled in
> dpm_suspend_noirq().

Sure, no biggie on this one, forgot to ack it, just stick my ack in and
put it in your tree.

Cheers,
Ben.


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