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Date: Sat, 13 Aug 2011 22:08:57 -0700
From: "H. Peter Anvin" <>
To: Andi Kleen <>
CC: Vasiliy Kulikov <>,
        Thomas Gleixner <>, Ingo Molnar <>,
        James Morris <>,,,,
Subject: Re: [RFC] x86: restrict pid namespaces to 32 or 64 bit syscalls

Andi Kleen <> wrote:

>"H. Peter Anvin" <> writes:
>> IA64 is totally different.  I'm extremely sceptical to this patch; it
>feels like putting code in a super-hot path to paper over a problem
>that has to be fixed anyway.
>Sounds to me a better alternative would be more aggressive, pro-active
>fuzzing of the compat calls.
> -- Speaking for myself only

Agreed.  Other than that, I can see a fine-grained permission filter, but the compat vs noncompat axis is just spurious.
Sent from my mobile phone. Please excuse my brevity and lack of formatting.

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