From: Andi Kleen <ak@suse.de>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] x86: Fix potential overflow in perfctr reservation
Date: Sun, 22 Apr 2007 14:14:32 +0200 [thread overview]
Message-ID: <200704221414.32946.ak@suse.de> (raw)
In-Reply-To: <20070422010917.6427e7a2.akpm@linux-foundation.org>
>
> The created a warning storm:
Hmm, yes good idea to fix that. Probably for x86-64 too.
>
> I worry rather a lot about how well runtime tested this very late change
> was,
I tested it with oprofile and checked the nmi watchdog.
> and whether it works correctly even with this fix applied. Perhaps
> we should jsut revert?
Then you get the memory corruption back.
The change really only enlarges the bitmaps a little anyways, it does not
change any algorithms.
-Andi
next prev parent reply other threads:[~2007-04-22 12:14 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200704172359.l3HNxAMV024586@hera.kernel.org>
2007-04-22 8:09 ` [PATCH] x86: Fix potential overflow in perfctr reservation Andrew Morton
2007-04-22 12:14 ` Andi Kleen [this message]
2007-04-23 5:11 ` YOSHIFUJI Hideaki / 吉藤英明
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