From: Bill Irwin <bill.irwin@oracle.com>
To: Matt Mackall <mpm@selenic.com>
Cc: Christoph Hellwig <hch@infradead.org>,
Andi Kleen <andi@firstfloor.org>,
Alan Cox <alan@lxorguk.ukuu.org.uk>, David Chinner <dgc@sgi.com>,
Zan Lynx <zlynx@acm.org>, Adrian Bunk <bunk@stusta.de>,
Linux Kernel <linux-kernel@vger.kernel.org>,
wli@holomorphy.com
Subject: Re: [2/6] add config option to vmalloc stacks (was: Re: [-mm patch] i386: enable 4k stacks by default)
Date: Tue, 1 May 2007 15:51:25 -0700 [thread overview]
Message-ID: <20070501225125.GU26598@holomorphy.com> (raw)
In-Reply-To: <20070501223606.GQ11166@waste.org>
On Mon, Apr 30, 2007 at 08:15:11PM +0100, Christoph Hellwig wrote:
>> So if you want to invest some time into getting this into mergeable
>> shape I'd suggest you redo the patch series in the following way:
>> patch 1: dynamic allocated irq stacks
On Tue, May 01, 2007 at 05:36:06PM -0500, Matt Mackall wrote:
> Can we register them lazily at request_irq time?
These IRQ stacks are per-cpu, not per-IRQ. It may make sense to
implement per-IRQ stacks, in which case dynamic allocation at the time
of request_irq() will make sense.
Would you like me to implement per-IRQ IRQ stacks?
-- wli
next prev parent reply other threads:[~2007-05-01 22:55 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-28 19:19 [-mm patch] i386: enable 4k stacks by default Adrian Bunk
2007-04-28 21:18 ` Zan Lynx
2007-04-30 3:58 ` David Chinner
2007-04-30 8:17 ` Alan Cox
2007-04-30 10:26 ` Andi Kleen
2007-04-30 10:48 ` Christoph Hellwig
2007-04-30 12:13 ` Andi Kleen
2007-04-30 17:38 ` William Lee Irwin III
2007-04-30 17:40 ` [1/6] make stack size configurable (was: Re: [-mm patch] i386: enable 4k stacks by default) William Lee Irwin III
2007-04-30 18:10 ` Christoph Hellwig
2007-04-30 18:13 ` William Lee Irwin III
2007-04-30 18:25 ` Adrian Bunk
2007-04-30 18:32 ` William Lee Irwin III
2007-04-30 17:43 ` [2/6] add config option to vmalloc stacks " William Lee Irwin III
2007-04-30 18:11 ` Christoph Hellwig
2007-04-30 18:25 ` Jan Engelhardt
2007-04-30 19:09 ` William Lee Irwin III
2007-04-30 19:15 ` Christoph Hellwig
2007-04-30 19:23 ` Bill Irwin
2007-04-30 22:04 ` Bill Irwin
2007-05-01 22:36 ` Matt Mackall
2007-05-01 22:51 ` Bill Irwin [this message]
2007-05-01 23:07 ` Alan Cox
2007-05-01 23:23 ` Bill Irwin
2007-05-01 23:15 ` Matt Mackall
2007-05-01 23:27 ` Bill Irwin
2007-05-04 5:35 ` Joseph Fannin
2007-05-04 7:43 ` Bill Irwin
2007-04-30 17:44 ` [3/6] make IRQ stacks independently configurable " William Lee Irwin III
2007-04-30 18:11 ` Christoph Hellwig
2007-04-30 18:14 ` William Lee Irwin III
2007-04-30 17:45 ` [4/6] go BUG on vmallocspace in __pa() " William Lee Irwin III
2007-04-30 18:52 ` Andi Kleen
2007-04-30 18:58 ` William Lee Irwin III
2007-04-30 19:20 ` Alan Cox
2007-04-30 19:26 ` Bill Irwin
2007-05-02 22:31 ` [4/6] go BUG on vmallocspace in __pa() Jeremy Fitzhardinge
2007-05-02 22:48 ` Bill Irwin
2007-04-30 17:46 ` [5/6] dynamically allocate IRQ stacks (was: Re: [-mm patch] i386: enable 4k stacks by default) William Lee Irwin III
2007-04-30 19:49 ` Zwane Mwaikambo
2007-04-30 20:03 ` Bill Irwin
2007-04-30 20:07 ` Andi Kleen
2007-04-30 17:47 ` [6/6] arrange for a guard page on cpu 0's IRQ stack " William Lee Irwin III
2007-04-30 18:22 ` [-mm patch] i386: enable 4k stacks by default Jan Engelhardt
2007-04-30 18:35 ` William Lee Irwin III
2007-04-30 18:51 ` Andi Kleen
2007-04-30 8:55 ` Neil Brown
2007-04-30 8:59 ` Christoph Hellwig
2007-04-30 11:30 ` Jens Axboe
2007-04-30 23:24 ` Neil Brown
2007-05-01 8:01 ` Jens Axboe
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