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(parent: 410b7d3) | patch
x86_64: fix kernel rodata NX setting
authorPekka Paalanen <pq@iki.fi>
Mon, 12 May 2008 19:21:01 +0000 (21:21 +0200)
committerThomas Gleixner <tglx@linutronix.de>
Fri, 23 May 2008 19:53:07 +0000 (21:53 +0200)
commiteb3529f3d806cddf48c58bf7816fdf8681f4cf45
tree78160905e5c943a0a19fe7774c927a73d61638b7tree | snapshot
parent410b7d3b4e54077fba86a79da20aad0083c34859commit | diff
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.

Signed-off-by: Pekka Paalanen <pq@iki.fi>
Acked-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
arch/x86/mm/init_64.c diff | blob | history
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