linux-kernel - Re: [Patch] Fix the possibility of insane return value of hpet

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Message-ID: <49BB6969.4040608@redhat.com>
Date:	Sat, 14 Mar 2009 04:23:05 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Yasunori Goto <y-goto@...fujitsu.com>
CC:	clemens@...isch.de, Linux Kernel ML <linux-kernel@...r.kernel.org>,
	robert.picco@...com, venkatesh.pallipadi@...el.com,
	vojtech@...e.cz, mingo@...hat.com
Subject: Re: [Patch] Fix the possibility of insane return value of hpet_calibrate()
 against SMI.

Yasunori Goto wrote:

> hpet_calibrate() has a possibility of miss-calibration due to SMI.
> If SMI interrupts in the while loop of calibration, then return value
> will be big. This changes it tries 5 times and get minimum value as
> correct value.
> 
> Signed-off-by: Yasunori Goto <y-goto@...fujitsu.com>

Acked-by: Rik van Riel <riel@...hat.com>

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