linux-kernel - Re: [PATCH 1/3] cpuidle: coupled: disable interrupts after entering safe state

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Message-ID: <CAMbhsRQzmyftujGhD+b7WwdXWP9b+=R0D7SavgKSjWKuFNLejQ@mail.gmail.com>
Date:	Fri, 23 Aug 2013 17:22:29 -0700
From:	Colin Cross <ccross@...roid.com>
To:	Stephen Warren <swarren@...dotorg.org>
Cc:	Linux PM list <linux-pm@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>,
	Neil Zhang <zhangwm@...vell.com>,
	Joseph Lo <josephl@...dia.com>,
	linux-tegra <linux-tegra@...r.kernel.org>,
	stable@...r.kernel.org, "Rafael J. Wysocki" <rjw@...k.pl>,
	Daniel Lezcano <daniel.lezcano@...aro.org>
Subject: Re: [PATCH 1/3] cpuidle: coupled: disable interrupts after entering
 safe state

On Fri, Aug 23, 2013 at 4:09 PM, Stephen Warren <swarren@...dotorg.org> wrote:
> On 08/23/2013 01:45 PM, Colin Cross wrote:
>> Calling cpuidle_enter_state is expected to return with interrupts
>> enabled, but interrupts must be disabled before starting the
>> ready loop synchronization stage.  Call local_irq_disable after
>> each call to cpuidle_enter_state for the safe state.
>
> Tested-by: Stephen Warren <swarren@...dia.com>
>
> Note: I tested the current Tegra cpuidle code that's in next-20130819.
> IIRC, Joseph reported the issue when trying to enable some additional
> feature in Tegra30 cpuidle. I didn't actually try to enable whatever
> that was; I just briefly tested for regressions in the existing code
> configuration.

Is that for the series or just this patch?
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