From: Dave Jones <davej@redhat.com>
To: John Stultz <johnstul@us.ibm.com>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>,
Prarit Bhargava <prarit@redhat.com>,
stable@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH 0/2][RFC] Potential fix for leapsecond caused futex issue (v2)
Date: Mon, 2 Jul 2012 14:51:03 -0400 [thread overview]
Message-ID: <20120702185103.GA32257@redhat.com> (raw)
In-Reply-To: <4FF11FCB.4030207@us.ibm.com>
On Sun, Jul 01, 2012 at 09:12:59PM -0700, John Stultz wrote:
> On 07/01/2012 11:29 AM, John Stultz wrote:
> > TODOs:
> > * Chase down the futex/hrtimer interaction to see if this could
> > be triggered in any other way.
> > * Get Tglx's input/ack
> > * Generate a backport for pre-v3.4 kernels
> So while still waiting for feedback on the clock_was_set() change, I
> went ahead and generated backports for most of the stable kernels on
> kernel.org.
>
> Clearly these shouldn't go anywhere until the fix is upstream, but since
> I assume there's a number of distro developers who are likely under
> pressure to have a fix soon, I wanted to make them available so no one
> is duplicating work.
>
> You can find them here:
> http://git.linaro.org/gitweb?p=people/jstultz/linux.git;a=summary
>
> I did boot and test each of those kernels with my leaptest-timer.c test
> successfully.
I'm curious how the test that I did with the kernel patch,
or Richard Cochran's userspace test program didn't trigger this bug
when we tested last week.
any ideas what we missed ?
Dave
next prev parent reply other threads:[~2012-07-02 18:51 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-01 18:29 [PATCH 0/2][RFC] Potential fix for leapsecond caused futex issue (v2) John Stultz
2012-07-01 18:30 ` [PATCH 1/2] [RFC] Fix clock_was_set so it is safe to call from atomic John Stultz
2012-07-02 8:53 ` Thomas Gleixner
2012-07-02 22:11 ` John Stultz
2012-07-01 18:30 ` [PATCH 2/2] [RFC] Fix leapsecond triggered hrtimer/futex load spike issue John Stultz
2012-07-01 18:34 ` [PATCH 0/2][RFC] Potential fix for leapsecond caused futex issue (v2) John Stultz
2012-07-01 18:47 ` Jan Engelhardt
2012-07-01 22:05 ` John Stultz
2012-07-02 4:12 ` John Stultz
2012-07-02 13:53 ` Prarit Bhargava
2012-07-02 18:51 ` Dave Jones [this message]
2012-07-02 19:08 ` John Stultz
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