linux-kernel - Re: [PATCH V3] powerpc/powernv: Check for IRQHAPPENED before sleeping

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Message-ID: <1404274005.7254.0.camel@concordia>
Date:	Wed, 02 Jul 2014 14:06:45 +1000
From:	Michael Ellerman <mpe@...erman.id.au>
To:	Preeti U Murthy <preeti@...ux.vnet.ibm.com>
Cc:	benh@...nel.crashing.org, mikey@...ling.org,
	shreyas@...ux.vnet.ibm.com, svaidy@...ux.vnet.ibm.com,
	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V3] powerpc/powernv: Check for IRQHAPPENED before
 sleeping

On Wed, 2014-07-02 at 09:19 +0530, Preeti U Murthy wrote:
> Commit 8d6f7c5a: "powerpc/powernv: Make it possible to skip the IRQHAPPENED
> check in power7_nap()" added code that prevents cpus from checking for
> pending interrupts just before entering sleep state, which is wrong. These
> interrupts are delivered during the soft irq disabled state of the cpu.

Acked-by: Michael Ellerman <mpe@...erman.id.au>

cheers


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