]> nv-tegra.nvidia Code Review - linux-2.6.git/commit
[PATCH] Kprobes causes NX protection fault on i686 SMP
authorPrasanna S Panchamukhi <prasanna@in.ibm.com>
Fri, 24 Feb 2006 21:04:08 +0000 (13:04 -0800)
committerLinus Torvalds <torvalds@g5.osdl.org>
Fri, 24 Feb 2006 22:31:37 +0000 (14:31 -0800)
commit124d90be62343f71bbb7a6b4a907b5584181e6d5
tree6e9a53f6bee52bb551724ec29e7710a656fbb187
parentd1521260f57d70d0ba86d2a309ec1ce7979be2fc
[PATCH] Kprobes causes NX protection fault on i686 SMP

Fix a problem seen on i686 machine with NX support where the instruction
could not be single stepped because of NX bit set on the memory pages
allocated by kprobes module.  This patch provides allocation of instruction
solt so that the processor can execute the instruction from that location
similar to x86_64 architecture.  Thanks to Bibo and Masami for testing this
patch.

Signed-off-by: Prasanna S Panchamukhi <prasanna@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
arch/i386/kernel/kprobes.c
include/asm-i386/kprobes.h