From: Ingo Molnar <mingo@elte.hu>
To: Zwane Mwaikambo <zwane@mwaikambo.name>
Cc: Robert Love <rml@tech9.net>,
Linux Kernel <linux-kernel@vger.kernel.org>,
Linus Torvalds <torvalds@transmeta.com>
Subject: Re: [PATCH][RFC] per isr in_progress markers
Date: Sun, 8 Sep 2002 09:55:34 +0200 (CEST) [thread overview]
Message-ID: <Pine.LNX.4.44.0209080952410.16565-100000@localhost.localdomain> (raw)
In-Reply-To: <Pine.LNX.4.44.0209072342450.1096-100000@linux-box.realnet.co.sz>
On Sun, 8 Sep 2002, Zwane Mwaikambo wrote:
> What do you make of the following patch. It is supposed to ease
> irq sharing by allowing multiple isrs to be executed, but still not
> allowing a specific isr to be run asynchronously. I haven't been able to
> test it on SMP proper, only SMP kernel on UP machine and using a shared
> network card and sound card concurrently with an interrupt load of
> ~3000irqs/s
hm, perhaps it could confuse some of the more complex shared-IRQ-aware
device drivers, such as IDE. But your patch is very tempting nevertheless,
it removes much of the disadvantage of sharing interrupt lines. Most of
the handlers on the chain are supposed to be completely independent.
Ingo
next prev parent reply other threads:[~2002-09-08 7:45 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-07 22:34 Zwane Mwaikambo
2002-09-08 7:55 ` Ingo Molnar [this message]
2002-09-08 8:15 ` Ingo Molnar
2002-09-08 10:38 ` Zwane Mwaikambo
2002-09-08 13:31 ` Zwane Mwaikambo
2002-09-08 16:59 ` Zwane Mwaikambo
2002-09-08 22:01 ` Linus Torvalds
2002-09-08 23:03 ` Jeff Garzik
2002-09-09 6:49 ` bert hubert
2002-09-09 16:24 ` Linus Torvalds
2002-09-09 10:06 ` Ingo Molnar
2002-09-09 15:06 ` Linus Torvalds
2002-09-09 18:44 ` Ingo Molnar
2002-09-09 18:53 ` Linus Torvalds
2002-09-09 19:37 ` Zwane Mwaikambo
2002-09-09 19:23 ` Ingo Molnar
2002-09-09 20:05 ` Zwane Mwaikambo
2002-09-09 20:08 ` Andrew Morton
2002-09-10 15:05 ` David Woodhouse
2002-09-10 15:32 ` Alan Cox
2002-09-10 22:37 ` Gérard Roudier
2002-09-09 19:38 ` Maciej W. Rozycki
2002-09-10 11:55 ` Stephan von Krawczynski
2002-09-10 18:07 ` Gunther Mayer
2002-09-10 18:38 ` Zwane Mwaikambo
2002-09-10 7:46 ` Rogier Wolff
2002-09-08 10:57 ` Zwane Mwaikambo
2002-09-09 20:40 ` Alan Cox
2002-09-09 20:48 ` Andre Hedrick
2002-09-10 17:47 ` Zwane Mwaikambo
2002-09-09 9:49 zwane
2002-09-09 14:34 ` Robert Love
2002-09-09 18:23 ` Zwane Mwaikambo
2002-09-09 10:13 zwane
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