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From: Mike Galbraith <umgwanakikbuti@gmail.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
	Rafael David Tinoco <inaddy@ubuntu.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Jens Axboe <axboe@kernel.dk>,
	Frederic Weisbecker <fweisbec@gmail.com>
Subject: Re: smp_call_function_single lockups
Date: Fri, 20 Mar 2015 18:14:35 +0100	[thread overview]
Message-ID: <1426871675.3356.7.camel@gmail.com> (raw)
In-Reply-To: <CA+55aFycvNk7YSLLZJX1VNuVsDz+siLaNM4JHYCMCrSqXv41xQ@mail.gmail.com>

On Fri, 2015-03-20 at 09:26 -0700, Linus Torvalds wrote:
> On Fri, Mar 20, 2015 at 3:15 AM, Peter Zijlstra <peterz@infradead.org> wrote:
> >
> > Linus, any plans for this patch? I think it does solve a fair few issues
> > the current code has.
> 
> So I didn't really have any plans. I think it's a good patch, and it
> might even fix a bug and improve code generation, but it didn't fix
> the lockup problem, so..
> 
> > do you want me to route it through tip (and write a changelog while I'm
> > at it) or will you be taking it yourself?
> 
> If you think it's worth committing, then go ahead.  Add my signed-off,
> although I have to note that I didn't do a lot of testing of that
> patch (I think it was compile-tested when I sent it out, and then I
> ended up running it for a while, and obviously it got *some* testing
> by the person who saw the lockup that just showed that it didn't fix
> the problem ;(

I carried it for a while on boxen big and small, so it got some burn-in.

	-Mike


  reply	other threads:[~2015-03-20 17:16 UTC|newest]

Thread overview: 77+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-11 13:19 smp_call_function_single lockups Rafael David Tinoco
2015-02-11 18:18 ` Linus Torvalds
2015-02-11 19:59   ` Linus Torvalds
2015-02-11 20:42     ` Linus Torvalds
2015-02-12 16:38       ` Rafael David Tinoco
2015-02-18 22:25       ` Peter Zijlstra
2015-02-19 15:42         ` Rafael David Tinoco
2015-02-19 16:14           ` Linus Torvalds
2015-02-23 14:01             ` Rafael David Tinoco
2015-02-23 19:32               ` Linus Torvalds
2015-02-23 20:50                 ` Peter Zijlstra
2015-02-23 21:02                   ` Rafael David Tinoco
2015-02-19 16:16           ` Peter Zijlstra
2015-02-19 16:26           ` Linus Torvalds
2015-02-19 16:32             ` Rafael David Tinoco
2015-02-19 16:59               ` Linus Torvalds
2015-02-19 17:30                 ` Rafael David Tinoco
2015-02-19 17:39                 ` Linus Torvalds
2015-02-19 20:29                   ` Linus Torvalds
2015-02-19 21:59                     ` Linus Torvalds
2015-02-19 22:45                       ` Linus Torvalds
2015-03-31  3:15                         ` Chris J Arges
2015-03-31  4:28                           ` Linus Torvalds
2015-03-31 10:56                             ` [debug PATCHes] " Ingo Molnar
2015-03-31 22:38                               ` Chris J Arges
2015-04-01 12:39                                 ` Ingo Molnar
2015-04-01 14:10                                   ` Chris J Arges
2015-04-01 14:55                                     ` Ingo Molnar
2015-03-31  4:46                           ` Linus Torvalds
2015-03-31 15:08                           ` Linus Torvalds
2015-03-31 22:23                             ` Chris J Arges
2015-03-31 23:07                               ` Linus Torvalds
2015-04-01 14:32                                 ` Chris J Arges
2015-04-01 15:36                                   ` Linus Torvalds
2015-04-02  9:55                                     ` Ingo Molnar
2015-04-02 17:35                                       ` Linus Torvalds
2015-04-01 12:43                               ` Ingo Molnar
2015-04-01 16:10                                 ` Chris J Arges
2015-04-01 16:14                                   ` Linus Torvalds
2015-04-01 21:59                                     ` Chris J Arges
2015-04-02 17:31                                       ` Linus Torvalds
2015-04-02 18:26                                         ` Ingo Molnar
2015-04-02 18:51                                           ` Chris J Arges
2015-04-02 19:07                                             ` Ingo Molnar
2015-04-02 20:57                                               ` Linus Torvalds
2015-04-02 21:13                                               ` Chris J Arges
2015-04-03  5:43                                                 ` [PATCH] smp/call: Detect stuck CSD locks Ingo Molnar
2015-04-03  5:47                                                   ` Ingo Molnar
2015-04-06 16:58                                                   ` Chris J Arges
2015-04-06 17:32                                                     ` Linus Torvalds
2015-04-07  9:21                                                       ` Ingo Molnar
2015-04-07 20:59                                                         ` Chris J Arges
2015-04-07 21:15                                                           ` Linus Torvalds
2015-04-08  6:47                                                           ` Ingo Molnar
2015-04-13  3:56                                                             ` Chris J Arges
2015-04-13  6:14                                                               ` Ingo Molnar
2015-04-15 19:54                                                                 ` Chris J Arges
2015-04-16 11:04                                                                   ` Ingo Molnar
2015-04-16 15:58                                                                     ` Chris J Arges
2015-04-16 16:31                                                                       ` Ingo Molnar
2015-04-29 21:08                                                                         ` Chris J Arges
2015-05-11 14:00                                                                           ` Ingo Molnar
2015-05-20 18:19                                                                             ` Chris J Arges
2015-04-03  5:45                                                 ` smp_call_function_single lockups Ingo Molnar
2015-04-06 17:23                                         ` Chris J Arges
2015-02-20  9:30                     ` Ingo Molnar
2015-02-20 16:49                       ` Linus Torvalds
2015-02-20 19:41                         ` Ingo Molnar
2015-02-20 20:03                           ` Linus Torvalds
2015-02-20 20:11                             ` Ingo Molnar
2015-03-20 10:15       ` Peter Zijlstra
2015-03-20 16:26         ` Linus Torvalds
2015-03-20 17:14           ` Mike Galbraith [this message]
2015-04-01 14:22       ` Frederic Weisbecker
2015-04-18 10:13       ` [tip:locking/urgent] smp: Fix smp_call_function_single_async() locking tip-bot for Linus Torvalds
2015-02-22  8:59 smp_call_function_single lockups Daniel J Blueman
2015-02-22 10:37 ` Ingo Molnar

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