From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
To: Arjan van de Ven <arjan@infradead.org>
Cc: prasanna@in.ibm.com, Andi Kleen <ak@suse.de>,
Andrew Morton <akpm@linux-foundation.org>,
Chuck Ebbert <cebbert@redhat.com>,
linux-kernel@vger.kernel.org, ananth@in.ibm.com
Subject: Re: [patch 2/2] kprobes x86_64 quick fix mark-ro-data
Date: Tue, 19 Jun 2007 09:30:20 -0400 [thread overview]
Message-ID: <20070619133020.GA22368@Krystal> (raw)
In-Reply-To: <1182259288.3014.7.camel@laptopd505.fenrus.org>
* Arjan van de Ven (arjan@infradead.org) wrote:
> On Tue, 2007-06-19 at 15:38 +0530, S. P. Prasanna wrote:
> > This patch is a quick fix for x86_64 to enable kprobes only if DEBUG_RODATA is
> > not configured. Since DEBUG_RODATA markes the kernel text pages as read-only.
>
>
> it does??
>
> I don't seem to be able to find this in the source code.....
>
See arch/x86_64/mm/init.c:mark_rodata_ro().
Mathieu
--
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
next prev parent reply other threads:[~2007-06-19 13:34 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-15 20:23 [patch 0/8] Immediate values for fast branches Mathieu Desnoyers
2007-06-15 20:23 ` [patch 1/8] Immediate Value - Architecture Independent Code Mathieu Desnoyers
2007-06-15 20:23 ` [patch 2/8] Immediate Values - Non Optimized Architectures Mathieu Desnoyers
2007-06-15 20:23 ` [patch 3/8] Immediate Value - Add kconfig menus Mathieu Desnoyers
2007-06-15 20:23 ` [patch 4/8] Immediate Value - i386 Optimization Mathieu Desnoyers
2007-06-15 22:02 ` Chuck Ebbert
2007-06-17 17:50 ` Mathieu Desnoyers
2007-06-18 14:57 ` [patch 4/8] Immediate Value - i386 Optimization; kprobes Mathieu Desnoyers
2007-06-18 18:44 ` Chuck Ebbert
2007-06-18 18:56 ` Andrew Morton
2007-06-18 19:27 ` Mathieu Desnoyers
2007-06-18 19:32 ` Andi Kleen
2007-06-18 20:16 ` Chuck Ebbert
2007-06-19 10:06 ` [patch 1/2] kprobes i386 quick fix mark-ro-data S. P. Prasanna
2007-06-19 10:08 ` [patch 2/2] kprobes x86_64 " S. P. Prasanna
2007-06-19 13:21 ` Arjan van de Ven
2007-06-19 13:30 ` Mathieu Desnoyers [this message]
2007-06-19 13:44 ` Arjan van de Ven
2007-06-19 14:31 ` S. P. Prasanna
2007-06-19 16:47 ` [patch 1/2] kprobes i386 " Andi Kleen
2007-06-15 20:23 ` [patch 5/8] Immediate Value - PowerPC Optimization Mathieu Desnoyers
2007-06-15 20:23 ` [patch 6/8] Immediate Value - Documentation Mathieu Desnoyers
2007-06-15 20:23 ` [patch 7/8] F00F bug fixup for i386 - use immediate values Mathieu Desnoyers
2007-06-15 20:23 ` [patch 8/8] Scheduler profiling - Use " Mathieu Desnoyers
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