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From: Ingo Molnar <mingo@elte.hu>
To: Andrea Arcangeli <andrea@suse.de>
Cc: linas@austin.ibm.com, Andrew Morton <akpm@osdl.org>,
	<linux-kernel@vger.kernel.org>
Subject: Re: PATCH: Race in 2.6.0-test2 timer code
Date: Thu, 31 Jul 2003 09:04:09 +0200 (CEST)	[thread overview]
Message-ID: <Pine.LNX.4.44.0307310902540.11798-100000@localhost.localdomain> (raw)
In-Reply-To: <20030730221717.GB23835@dualathlon.random>


On Thu, 31 Jul 2003, Andrea Arcangeli wrote:

> ah, finally I see how can the timer->lock can have made the kernel
> stable again!
> 
> run_all_timers can still definitely run on x86 too if the local cpu
> timer runs on top of an irq handler:

as i told you ...

i've added the TIMER_BH thing to the 2.4 patch to ensure timer-fn
single-threadedness.

this issue has been fixed in 2.6 by the removal of TIMER_BH.

	Ingo


  reply	other threads:[~2003-07-31  7:04 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-07-29 15:41 PATCH: Race in 2.6.0-test2 timer code linas
2003-07-29 20:56 ` Andrew Morton
2003-07-30  5:57   ` Ingo Molnar
2003-07-30  6:36     ` Andrew Morton
2003-07-30  7:07       ` Ingo Molnar
2003-07-30  7:34         ` Andrea Arcangeli
2003-07-30  7:34           ` Ingo Molnar
2003-07-30  8:28             ` Andrea Arcangeli
2003-07-30 10:31               ` Ingo Molnar
2003-07-30 11:16                 ` Andrea Arcangeli
2003-07-30 11:49                   ` Ingo Molnar
2003-07-30 12:34                     ` Andrea Arcangeli
2003-07-30 21:18                       ` linas
2003-07-30 22:06                         ` Andrea Arcangeli
2003-07-30 22:17                           ` Andrea Arcangeli
2003-07-31  7:04                             ` Ingo Molnar [this message]
2003-07-30 21:19                       ` Andrea Arcangeli
2003-07-30 23:43                 ` linas
2003-07-30 23:56                   ` Andrea Arcangeli
2003-07-30 23:54                     ` Andrew Morton
2003-07-31  0:16                       ` Andrea Arcangeli
2003-07-31 17:23                     ` linas
2003-08-01  6:27                       ` Ingo Molnar
2003-07-30  7:40           ` Ingo Molnar
2003-07-30  8:37             ` Andrea Arcangeli
2003-07-30 10:34               ` Ingo Molnar
2003-07-30 10:51                 ` Andrew Morton
2003-07-30 11:28                   ` Andrea Arcangeli
2003-07-30 11:22                 ` Andrea Arcangeli
2003-07-30 20:05     ` linas
2003-07-31  6:50       ` Ingo Molnar
2003-07-31 22:56     ` linas
2003-08-01  6:23       ` Ingo Molnar

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