From: Thomas Gleixner <tglx@linutronix.de>
To: Andrew Morton <akpm@osdl.org>
Cc: mingo@elte.hu, michal.k.k.piotrowski@gmail.com,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: + hrtimers-fix-reprogramming-smp-race.patch added to -mm tree
Date: Tue, 27 Mar 2007 09:32:47 +0200 [thread overview]
Message-ID: <1174980767.4023.11.camel@chaos> (raw)
In-Reply-To: <200703261946.l2QJkevj028804@shell0.pdx.osdl.net>
On Mon, 2007-03-26 at 12:46 -0700, akpm@linux-foundation.org wrote:
> The patch titled
> hrtimers: fix reprogramming SMP race
> has been added to the -mm tree. Its filename is
> hrtimers-fix-reprogramming-smp-race.patch
>
> *** Remember to use Documentation/SubmitChecklist when testing your code ***
>
> See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
> out what to do about this
>
> ------------------------------------------------------
> Subject: hrtimers: fix reprogramming SMP race
> From: Ingo Molnar <mingo@elte.hu>
>
> hrtimer_start() incorrectly set the 'reprogram' flag to enqueue_hrtimer(),
> which should only be 1 if the hrtimer is queued to the current CPU.
>
> Doing otherwise could result in a reprogramming of the current CPU's
> clockevents device, with a timer that is not queued to it - resulting in a
> bogus next expiry value.
Doh.
> Signed-off-by: Ingo Molnar <mingo@elte.hu>
> Cc: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Andrew, this should go into 2.6.21 as well.
tglx
parent reply other threads:[~2007-03-27 7:32 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <200703261946.l2QJkevj028804@shell0.pdx.osdl.net>]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1174980767.4023.11.camel@chaos \
--to=tglx@linutronix.de \
--cc=akpm@osdl.org \
--cc=linux-kernel@vger.kernel.org \
--cc=michal.k.k.piotrowski@gmail.com \
--cc=mingo@elte.hu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®