From: David Woodhouse <dwmw2@infradead.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: Zwane Mwaikambo <zwane@mwaikambo.name>,
Linus Torvalds <torvalds@transmeta.com>,
Robert Love <rml@tech9.net>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH][RFC] per isr in_progress markers
Date: Tue, 10 Sep 2002 16:05:08 +0100 [thread overview]
Message-ID: <11228.1031670308@redhat.com> (raw)
In-Reply-To: <Pine.LNX.4.44.0209092122030.4648-100000@localhost.localdomain>
mingo@elte.hu said:
> this is something i have a 0.5 MB patch for that touches a few
> hundred drivers. I can dust it off if there's demand - it will break
> almost nothing because i've done the hard work of adding the default
> 'no work was done' bit to every driver's IRQ handler.
Note that you can also survive IRQ storms this way -- if all handlers
returned 'no work was done' and you get over $N irqs per second, disable
that IRQ for a while.
--
dwmw2
next prev parent reply other threads:[~2002-09-10 15:01 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-07 22:34 [PATCH][RFC] per isr in_progress markers Zwane Mwaikambo
2002-09-08 7:55 ` Ingo Molnar
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 [this message]
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
-- strict thread matches above, loose matches on Subject: below --
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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