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From: Andi Kleen <andi@firstfloor.org>
To: Arjan van de Ven <arjan@infradead.org>
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu, tglx@tglx.de,
	hpa@zytor.org, Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [patch] Add basic sanity checks to the syscall execution patch
Date: Thu, 04 Sep 2008 14:01:46 +0200	[thread overview]
Message-ID: <873akgw251.fsf@basil.nowhere.org> (raw)
In-Reply-To: <20080903195122.73905236@infradead.org> (Arjan van de Ven's message of "Wed, 3 Sep 2008 19:51:22 -0700")

Arjan van de Ven <arjan@infradead.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.

-Andi


  reply	other threads:[~2008-09-04 12:01 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-04  2:51 [patch] Add basic sanity checks to the syscall execution patch Arjan van de Ven
2008-09-04 12:01 ` Andi Kleen [this message]
2008-09-04 12:34   ` Alan Cox
2008-09-04 13:06     ` Andi Kleen
2008-09-04 12:44   ` Arjan van de Ven
2008-09-05  9:43     ` pageexec
2008-09-05 10:14       ` Benjamin Herrenschmidt
2008-09-05 10:49         ` pageexec
2008-09-05 10:57           ` Benjamin Herrenschmidt
2008-09-05 11:42             ` Ingo Molnar
2008-09-05 12:00               ` pageexec
2008-09-05 15:42                 ` Ingo Molnar
2008-09-05 16:23                   ` pageexec
2008-09-05 16:52                     ` Ingo Molnar
2008-09-05 17:26                       ` Andi Kleen
2008-09-05 19:42                         ` pageexec
2008-09-05 20:48                           ` Andi Kleen
2008-09-05 19:37                       ` pageexec
2008-09-06 15:42                         ` Ingo Molnar
2008-09-07  0:17                           ` pageexec
2008-09-05 12:01               ` Andi Kleen
2008-09-05 20:41               ` Willy Tarreau
2008-09-06 15:45                 ` Ingo Molnar
2008-09-06 16:34                   ` Jeroen van Rijn
2008-09-07 12:53                   ` Pavel Machek
2008-09-05 16:05       ` Arjan van de Ven

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