linux-kernel - Re: [patch] Add basic sanity checks to the syscall execution patch

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Message-ID: <20080904054444.79e71974@infradead.org>
Date:	Thu, 4 Sep 2008 05:44:44 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu, tglx@...x.de,
	hpa@...or.org, Benjamin Herrenschmidt <benh@...nel.crashing.org>
Subject: Re: [patch] Add basic sanity checks to the syscall execution patch

On Thu, 04 Sep 2008 14:01:46 +0200
Andi Kleen <andi@...stfloor.org> wrote:

> Arjan van de Ven <arjan@...radead.org> writes:
> 
> > Add basic sanity checks to the syscall execution patch
> 
> This just means that the root kits will switch to patch
> the first instruction of the entry points instead.
> 
> So the protection will be zero to minimal, but the overhead will
> be there forever.
> 
> Now that I said this I expect it to go in yesterday.
>

I'd have considered taking your email serious if you had left out the
uncalled and unneeded sarcasm line at the end.



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