From: John Reiser <jreiser@BitWagon.com>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Andi Kleen <andi@firstfloor.org>,
Vegard Nossum <vegard.nossum@gmail.com>,
Bart Van Assche <bart.vanassche@gmail.com>,
Pekka Enberg <penberg@cs.helsinki.fi>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Christoph Lameter <clameter@sgi.com>,
Daniel Walker <dwalker@mvista.com>,
Randy Dunlap <randy.dunlap@oracle.com>,
Josh Aune <luken@omner.org>, Pekka Paalanen <pq@iki.fi>
Subject: Re: [ANNOUNCE] kmemcheck v7
Date: Sat, 10 May 2008 14:29:26 -0700 [thread overview]
Message-ID: <482613B6.2080301@BitWagon.com> (raw)
In-Reply-To: <4826095F.3070501@goop.org>
Jeremy Fitzhardinge wrote:
> Determining stack
> boundaries has always been a bit fraught. Typically a stack switch has
> been determined heuristically by looking for a "large" change in stack
> pointer, but there's a callback to specifically mark a range of memory
> as a stack, so that movements into and out of a stack can be determined
> as a switch (added specifically to deal with small densely packed stacks
> in uml).
The valgrind+uml patches added a callback, "I am switching stacks >NOW<."
If possible then it is better to tell an interpreter what is happening,
rather than requiring that the interpreter [try to] figure it out.
--
John Reiser, jreiser@BitWagon.com
next prev parent reply other threads:[~2008-05-10 21:36 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-04 13:44 [ANNOUNCE] kmemcheck v7 Vegard Nossum
2008-04-04 13:45 ` [PATCH 1/3] kmemcheck: add the kmemcheck core Vegard Nossum
2008-04-04 13:46 ` [PATCH 2/3] x86: add hooks for kmemcheck Vegard Nossum
2008-04-04 13:47 ` [PATCH 3/3] slub: " Vegard Nossum
2008-05-10 9:07 ` [ANNOUNCE] kmemcheck v7 Bart Van Assche
2008-05-10 9:06 ` Pekka Enberg
2008-05-10 11:04 ` Bart Van Assche
2008-05-10 12:02 ` Vegard Nossum
2008-05-10 12:37 ` Andi Kleen
2008-05-10 13:22 ` Bart Van Assche
2008-05-10 17:17 ` Jeremy Fitzhardinge
2008-05-10 17:48 ` Andi Kleen
2008-05-10 20:45 ` Jeremy Fitzhardinge
2008-05-10 21:29 ` John Reiser [this message]
2008-05-10 23:05 ` Jeremy Fitzhardinge
2008-05-10 21:31 ` Andi Kleen
2008-05-10 22:59 ` Jeremy Fitzhardinge
2008-05-10 13:29 ` Bart Van Assche
2008-05-10 17:17 ` Jeremy Fitzhardinge
2008-05-10 20:35 ` Jeff Dike
2008-05-11 11:23 ` John Reiser
2008-05-11 12:08 ` John Reiser
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