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Message-ID: <20111209071109.GE24537@elte.hu>
Date: Fri, 9 Dec 2011 08:11:09 +0100
From: Ingo Molnar <mingo@...e.hu>
To: Andi Kleen <andi@...stfloor.org>
Cc: Petr Holasek <pholasek@...hat.com>,
David Rientjes <rientjes@...gle.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
"H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org,
Anton Arapov <anton@...hat.com>
Subject: Re: [PATCH v2] NUMA x86: add constraints check for nid parameters
* Andi Kleen <andi@...stfloor.org> wrote:
> Petr Holasek <pholasek@...hat.com> writes:
>
> > This patch adds constraints checks for numa_set_distance()
> > function. It emits warning when pxms are used uninitialized
> > when parsing the SRAT.
>
> Can you expand on the motivation for this please?
> Is this to catch buggy code or to catch buggy SRATs?
Both.
> If the later are they actually out there?
Not that i know of - they would likely not boot Linux very well
today.
Thanks,
Ingo
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