From: Andi Kleen <ak@suse.de>
To: Richard J Moore <richardj_moore@uk.ibm.com>
Cc: Satoshi Oshima <soshima@redhat.com>,
Andrew Morton <akpm@osdl.org>,
"Keshavamurthy, Anil S" <anil.s.keshavamurthy@intel.com>,
"Hideo AOKI@redhat" <haoki@redhat.com>,
Masami Hiramatsu <hiramatu@sdl.hitachi.co.jp>,
Jim Keniston <jkenisto@us.ibm.com>,
linux-kernel@vger.kernel.org,
Ananth N Mavinakayanahalli <mananth@in.ibm.com>,
Prasanna S Panchamukhi <prasanna@in.ibm.com>,
sugita <sugita@sdl.hitachi.co.jp>,
systemtap@sources.redhat.com, systemtap-owner@sourceware.org
Subject: Re: [PATCH] kprobes: bad manipulation of 2 byte opcode on x86_64
Date: Fri, 19 May 2006 13:33:11 +0200 [thread overview]
Message-ID: <200605191333.11930.ak@suse.de> (raw)
In-Reply-To: <OFAED3DE10.BAEAFDF2-ON41257173.002E89ED-41257173.002E9AB6@uk.ibm.com>
On Friday 19 May 2006 10:29, Richard J Moore wrote:
> Is there any possibility of a inducing a page fault when checking the
> second byte?
AFAIK instr is in the out of line instruction copy. Kernel would need
to be pretty broken already if that page faulted.
-Andi
next prev parent reply other threads:[~2006-05-19 12:34 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-18 21:32 [PATCH] kprobes: bad manupilation of 2 byte opcode on x86_64 Satoshi Oshima
2006-05-19 8:29 ` [PATCH] kprobes: bad manipulation " Richard J Moore
2006-05-19 11:33 ` Andi Kleen [this message]
2006-05-19 14:13 ` Satoshi Oshima
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