Messages in this thread | | | Subject | Re: [patch 2/2] kprobes x86_64 quick fix mark-ro-data | From | Arjan van de Ven <> | Date | Tue, 19 Jun 2007 06:44:30 -0700 |
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On Tue, 2007-06-19 at 09:30 -0400, Mathieu Desnoyers wrote: > * 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().
eh woops
PATCH] x86: tighten kernel image page access rights author Jan Beulich <jbeulich@novell.com>
Wed, 2 May 2007 17:27:10 +0000 (19:27 +0200) committer Andi Kleen <andi@basil.nowhere.org>
Wed, 2 May 2007 17:27:10 +0000 (19:27 +0200) commit 6fb14755a676282a4e6caa05a08c92db8e45cfff
changed it to include text (even though Andi vetoed that before when I asked for it on grounds of breaking kprobes)... sounds this really wants to be a 2nd config option to seperatedly do code and data.
-- if you want to mail me at work (you don't), use arjan (at) linux.intel.com Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org
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