From: Scott Wood <scott@timesys.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: Ingo Molnar <mingo@elte.hu>, Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org, Scott Wood <scott@timesys.com>
Subject: Re: [patch] generic-hardirqs.patch, 2.6.9-rc1-bk14
Date: Thu, 9 Sep 2004 13:56:23 -0400 [thread overview]
Message-ID: <20040909175622.GA32489@yoda.timesys> (raw)
In-Reply-To: <20040908141217.A31690@infradead.org>
On Wed, Sep 08, 2004 at 02:12:17PM +0100, Christoph Hellwig wrote:
> On Wed, Sep 08, 2004 at 03:05:52PM +0200, Ingo Molnar wrote:
> > is there any architecture that cannot make use of kernel/hardirq.c _at
> > all_?
>
> s390 doesn't need it at all because it doesn't have the concept of hardirqs.
>
> At least arm{,26}, m68k{,nommu} and parisc and sparc{,64} use extremly
> different models for irq handling
They're not irreparably different, though (at least, not all of
them); we had generic IRQ code (with threads) running in our 2.4
kernel on arm and sparc64.
-Scott
next prev parent reply other threads:[~2004-09-09 18:29 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-08 12:06 [patch] generic-hardirqs.patch, 2.6.9-rc1-bk14 Ingo Molnar
2004-09-08 12:29 ` La Monte H.P. Yarroll
2004-09-08 13:25 ` Christoph Hellwig
2004-09-08 13:40 ` Ingo Molnar
2004-09-08 13:47 ` Christoph Hellwig
2004-09-08 12:34 ` Christoph Hellwig
2004-09-08 12:45 ` Ingo Molnar
2004-09-08 12:49 ` Christoph Hellwig
2004-09-08 13:05 ` Ingo Molnar
2004-09-08 13:12 ` Christoph Hellwig
2004-09-08 13:17 ` Ingo Molnar
2004-09-08 13:20 ` Christoph Hellwig
2004-09-08 13:32 ` Ingo Molnar
2004-09-09 17:56 ` Scott Wood [this message]
2004-09-08 12:57 ` William Lee Irwin III
2004-09-08 13:01 ` Christoph Hellwig
2004-09-08 13:09 ` William Lee Irwin III
2004-09-08 13:10 ` Ingo Molnar
2004-09-08 13:34 ` Zwane Mwaikambo
2004-09-08 13:31 ` Christoph Hellwig
2004-09-08 13:47 ` Zwane Mwaikambo
2004-09-08 14:09 ` Arjan van de Ven
2004-09-08 18:25 ` Ingo Molnar
2004-09-08 18:42 ` Zwane Mwaikambo
2004-09-08 21:14 ` [patch] generic-hardirqs-2.6.9-rc1-mm4.patch Ingo Molnar
2004-09-09 16:57 ` Christoph Hellwig
2004-09-09 17:24 ` Ingo Molnar
2004-09-09 17:53 ` William Lee Irwin III
2004-09-09 17:54 ` Arjan van de Ven
2004-09-09 17:56 ` William Lee Irwin III
2004-09-09 20:10 ` Russell King
2004-09-09 20:51 ` Scott Wood
2004-09-09 21:00 ` Russell King
2004-09-10 5:57 ` Arjan van de Ven
2004-09-09 20:24 ` Rafael J. Wysocki
2004-09-09 20:40 ` Andrew Morton
2004-09-09 20:49 ` Ingo Molnar
2004-09-08 13:03 ` [patch] generic-hardirqs.patch, 2.6.9-rc1-bk14 Arjan van de Ven
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