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From: Ingo Molnar <mingo@elte.hu>
To: Mark Gross <mgross@linux.co.intel.com>
Cc: linux-kernel@vger.kernel.org, Linus Torvalds <torvalds@osdl.org>
Subject: Re: [PATCH] SMP signal latency fix up.
Date: Fri, 7 Nov 2003 11:24:47 +0100 (CET)	[thread overview]
Message-ID: <Pine.LNX.4.56.0311071122360.21893@earth> (raw)
In-Reply-To: <1068158989.3555.43.camel@localhost.localdomain>


On Thu, 6 Nov 2003, Mark Gross wrote:

> Running on SMP and the 2.6.0-test9 kernel, it takes about 10000 * 1/HZ
> seconds.  Running this command with maxcpus=1 the command finishes in
> fraction of a second.  Under SMP the signal delivery isn't kicking the
> task if its in the run state on the other CPU.

yeah - good catch - it's a brown paper bag bug.

	Ingo

  parent reply	other threads:[~2003-11-07 22:25 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-11-06 22:49 [PATCH] SMP signal latency fix up Mark Gross
2003-11-06 23:20 ` Linus Torvalds
2003-11-07  1:39   ` Mark Gross
2003-11-07  1:42     ` Mark Gross
2003-11-07  9:45       ` Ingo Molnar
2003-11-07 15:43         ` Mark Gross
2003-11-07  9:39   ` Ingo Molnar
2003-11-07 15:09     ` Linus Torvalds
2003-11-07 15:17       ` Ingo Molnar
2003-11-07 15:31         ` Ingo Molnar
2003-11-07 15:29       ` Ingo Molnar
2003-11-07 17:03     ` Mark Gross
2003-11-08  6:48       ` Ingo Molnar
2003-11-06 23:26 ` Chris Friesen
2003-11-06 23:35   ` Mark Gross
2003-11-07  0:55     ` Nuno Silva
2003-11-07 10:24 ` Ingo Molnar [this message]
  -- strict thread matches above, loose matches on Subject: below --
2003-11-06 23:00 Mark Gross

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