From: Keith Owens <kaos@ocs.com.au>
To: Andi Kleen <ak@suse.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] cache colour task_structs
Date: Thu, 01 Nov 2001 15:42:12 +1100 [thread overview]
Message-ID: <28006.1004589732@kao2.melbourne.sgi.com> (raw)
In-Reply-To: Your message of "01 Nov 2001 02:43:20 BST." <p73668vqn9j.fsf@amdsim2.suse.de>
On 01 Nov 2001 02:43:20 +0100,
Andi Kleen <ak@suse.de> wrote:
>You could do that even today (without slab task_struct) by using a
>random/coloured at fork time value for esp0. This could just be a static
>colour counter that is subtracted.
>
>Just don't forget to teach ptrace and proc WCHAN and oops printing about it;
>they currently use hardcoded stack offsets. It'll also likely break kdb.
Should not affect kdb. It uses current->esp0 for accessing user regs.
Back trace unwinds the stack until it hits a 0 return address, it just
not check for esp0.
next prev parent reply other threads:[~2001-11-01 4:42 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <3BE050AD.C6D7CE4B@colorfullife.com.suse.lists.linux.kernel>
[not found] ` <E15z6HM-0005gW-00@the-village.bc.nu.suse.lists.linux.kernel>
2001-11-01 1:43 ` [PATCH] cache colour task_structs Andi Kleen
2001-11-01 2:18 ` Davide Libenzi
2001-11-01 4:42 ` Keith Owens [this message]
2001-10-31 19:27 Manfred Spraul
2001-11-01 1:04 ` Alan Cox
2001-11-01 10:49 ` Manfred Spraul
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