Messages in this thread |  | | | Date | Fri, 12 Sep 2008 11:06:07 +0200 | | From | Ingo Molnar <> | | Subject | Re: [PATCH] kmemcheck: lazy checking for MOVS instructions | |
* Vegard Nossum <vegard.nossum@gmail.com> wrote:
> Comments, anyone?
>
> >From 36190b27a77b8ff5bbea09cf765c1f335c3920e4 Mon Sep 17 00:00:00 2001
> From: Vegard Nossum <vegard.nossum@gmail.com>
> Date: Thu, 11 Sep 2008 17:31:07 +0200
> Subject: [PATCH] kmemcheck: lazy checking for MOVS instructions
>
> This patch adds the support for lazy (as opposed to eager) checking
> for [REP] MOVS instructions (mostly used in memcpy()). This means that
> if both the source and destination addresses are tracked by kmemcheck,
> we copy the shadow memory instead of checking that it is initialized.
>
> In this way, we get rid of a few more false positives.
looks good to me. I've applied it to tip/kmemcheck - but can zap it and
pull your for-tip branch as well.
Ingo
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