Re: [PATCH] x86_64: fix kernel rodata NX setting
From: Ingo Molnar
Date: Mon Apr 21 2008 - 15:03:36 EST
* Pekka Paalanen <pq@xxxxxx> wrote:
> From 35922163c8054bd8d12df78ebae6a6a603760206 Mon Sep 17 00:00:00 2001
> From: Pekka Paalanen <pq@xxxxxx>
> Date: Mon, 21 Apr 2008 21:36:09 +0300
> Subject: [PATCH] x86_64: fix kernel rodata NX setting
>
> Without CONFIG_DYNAMIC_FTRACE, mark_rodata_ro() would mark a wrong
> number of pages as no-execute. The bug was introduced in the patch
> "ftrace: dont write protect kernel text". The symptom was machine
> reboot after a CPU hotplug.
thanks Pekka, nice fix!
Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/