From: Rik van Riel <riel@redhat.com>
To: Yasunori Goto <y-goto@jp.fujitsu.com>
Cc: clemens@ladisch.de,
Linux Kernel ML <linux-kernel@vger.kernel.org>,
robert.picco@hp.com, venkatesh.pallipadi@intel.com,
vojtech@suse.cz, mingo@redhat.com
Subject: Re: [Patch] Fix the possibility of insane return value of hpet_calibrate() against SMI.
Date: Sat, 14 Mar 2009 04:23:05 -0400 [thread overview]
Message-ID: <49BB6969.4040608@redhat.com> (raw)
In-Reply-To: <20090313134846.24B6.E1E9C6FF@jp.fujitsu.com>
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@jp.fujitsu.com>
Acked-by: Rik van Riel <riel@redhat.com>
--
All rights reversed.
next prev parent reply other threads:[~2009-03-14 8:23 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-13 5:00 [Patch] Fix the possibility of insane return value of hpet_calibrate() against SMI Yasunori Goto
2009-03-14 8:23 ` Rik van Riel [this message]
2009-03-15 19:56 ` Paul Gortmaker
2009-03-16 2:34 ` Yasunori Goto
2009-03-16 8:59 ` Vojtech Pavlik
2009-03-16 9:52 ` Clemens Ladisch
2009-03-17 10:12 ` Yasunori Goto
2009-03-17 13:12 ` Paul Gortmaker
2009-03-18 0:45 ` Yasunori Goto
2009-03-18 2:47 ` [Patch] Fix the possibility of insane return value of hpet_calibrate() against SMI. (take 2) Yasunori Goto
2009-03-18 7:44 ` Clemens Ladisch
2009-03-18 8:25 ` Vojtech Pavlik
2009-03-18 13:55 ` Paul Gortmaker
2009-03-18 15:11 ` Clemens Ladisch
2009-03-18 15:32 ` Paul Gortmaker
2009-03-30 21:06 ` Andrew Morton
2009-03-30 21:23 ` Paul Gortmaker
-- strict thread matches above, loose matches on Subject: below --
2008-12-04 10:34 [Patch] Fix the possibility of insane return value of hpet_calibrate() against SMI Yasunori Goto
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