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From: Ulrich Obergfell <uobergfe@redhat.com>
To: Don Zickus <dzickus@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	lkml <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@kernel.org>, Michal Hocko <mhocko@suse.cz>,
	Stephane Eranian <eranian@google.com>,
	Andi Kleen <ak@linux.intel.com>, Paul Bunyan <pbunyan@redhat.com>
Subject: Re: [PATCH] watchdog: Fix race on single cpu boot
Date: Sat, 1 Aug 2015 09:05:52 -0400 (EDT)	[thread overview]
Message-ID: <110159750.2156696.1438434352724.JavaMail.zimbra@redhat.com> (raw)
In-Reply-To: <20150731153656.GB42272@redhat.com>


Don,

> Uli privately has been working on a patchset that cleans up a bunch of these
> race conditions.  We believe it should cover this case.  It uses the
> proc_mutex to synchronize everything.
>
> I think he is reaching out to you.  If you could try his patchset to see if
> it fixes things, it might be a cleaner approach than what you are doing.
>
> <small time goes by>
>
> Ok, I was poked on IRC and you have already done this and it passed your
> testcase.  Let me get Uli to post his patches. :-)
>
> Cheers,
> Don

I posted the patch set here:

  https://lkml.org/lkml/2015/8/1/64
  https://lkml.org/lkml/2015/8/1/65
  https://lkml.org/lkml/2015/8/1/66
  https://lkml.org/lkml/2015/8/1/67
  https://lkml.org/lkml/2015/8/1/68

Regards,

Uli

  reply	other threads:[~2015-08-01 13:06 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-31 11:56 Jiri Olsa
2015-07-31 15:36 ` Don Zickus
2015-08-01 13:05   ` Ulrich Obergfell [this message]
2015-08-01 16:25     ` Peter Zijlstra
2015-08-02 11:09       ` Ulrich Obergfell

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