linux-kernel - Re: [PATCH] Revert "x86: optimize page faults like all other achitectures and kill notifier cruft"

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Message-ID: <Pine.LNX.4.64.0801091418510.25041@twin.jikos.cz>
Date:	Wed, 9 Jan 2008 14:19:58 +0100 (CET)
From:	Jiri Kosina <jikos@...os.cz>
To:	David Miller <davem@...emloft.net>
cc:	hch@....de, airlied@...ux.ie,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andi Kleen <ak@...e.de>, pq@....fi, jbeulich@...ell.com,
	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Revert "x86: optimize page faults like all other
 achitectures and kill notifier cruft"

On Tue, 8 Jan 2008, David Miller wrote:

> You can set a kprobe on the x86 fault handler to do things like
> mmiotrace.

Currently, on x86, you can not, because:

	fastcall void __kprobes do_page_fault( ... );

-- 
Jiri Kosina
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