From: Russell King <rmk@arm.linux.org.uk>
To: Anton Blanchard <anton@samba.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Jan Glauber <glauber@gmx.de>,
Linux Arch list <linux-arch@vger.kernel.org>,
William Lee Irwin III <wli@holomorphy.com>
Subject: Re: [Patch] SMP call function cleanup
Date: Fri, 23 Apr 2004 10:00:19 +0100 [thread overview]
Message-ID: <20040423100019.A12650@flint.arm.linux.org.uk> (raw)
In-Reply-To: <20040423070521.GM22027@krispykreme>; from anton@samba.org on Fri, Apr 23, 2004 at 05:05:21PM +1000
On Fri, Apr 23, 2004 at 05:05:21PM +1000, Anton Blanchard wrote:
> The worry is we then start changing algorithms to suit, I could see
> someone replacing a timer based algorithm with an IPI send to cpumask
> one. Im theorising here and the IPI method may end up being more
> efficient on all architectures but we suffer from not having a decent
> example case yet.
Indeed and completely agreed.
Also, consider that the sending CPU may not be able to receive the IPI
itself, and should be excluded if that is the case.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 PCMCIA - http://pcmcia.arm.linux.org.uk/
2.6 Serial core
next prev parent reply other threads:[~2004-04-23 9:00 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-23 6:53 [Patch] SMP call function cleanup Martin Schwidefsky
2004-04-23 7:05 ` Anton Blanchard
2004-04-23 9:00 ` Russell King [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-04-23 7:46 Martin Schwidefsky
2004-04-23 6:46 Martin Schwidefsky
2004-04-22 12:21 Jan Glauber
2004-04-22 12:28 ` William Lee Irwin III
2004-04-22 12:37 ` Anton Blanchard
2004-04-22 12:49 ` William Lee Irwin III
2004-04-22 12:59 ` James Bottomley
2004-04-22 13:24 ` William Lee Irwin III
2004-04-22 13:46 ` James Bottomley
2004-04-22 14:06 ` William Lee Irwin III
[not found] ` <1082641822.1329.45.camel@halo>
[not found] ` <1082642332.1778.39.camel@mulgrave>
2004-04-22 14:15 ` Jan Glauber
2004-04-23 0:05 ` Benjamin Herrenschmidt
2004-04-23 0:21 ` Anton Blanchard
2004-04-23 0:32 ` Benjamin Herrenschmidt
2004-04-22 13:58 ` Jan Glauber
2004-04-22 12:33 ` Anton Blanchard
2004-04-22 14:00 ` Jan Glauber
2004-04-22 14:13 ` William Lee Irwin III
2004-04-23 0:04 ` Benjamin Herrenschmidt
2004-04-23 23:38 ` David S. Miller
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