linux-kernel - Re: [PATCH] x86_64: enable irq in default

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Message-ID: <20080108080419.GD31838@elte.hu>
Date:	Tue, 8 Jan 2008 09:04:19 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
Cc:	mingo@...hat.com, tglx@...utronix.de, hpa@...or.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86_64: enable irq in default_idle


* Hiroshi Shimamoto <h-shimamoto@...jp.nec.com> wrote:

> Hi Ingo,
> 
> I think local_irq_enable() is missing in default_idle() on x86_64. 
> It's for recent x86 tree.
> 
> From: Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
> Subject: [PATCH] x86_64: enable irq in default_idle
> 
> local_irq_enable() is missing after sched_clock_idle_wakeup_event().

thanks Hiroshi, applied.

The effects of this bug should be increased latencies on 64-bit. Did you 
notice these latencies, or did you find the bug in some other way (code 
review)?

	Ingo
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