diff options
| author | Kees Cook <[email protected]> | 2010-11-10 18:35:53 +0000 |
|---|---|---|
| committer | H. Peter Anvin <[email protected]> | 2010-11-10 23:43:09 +0000 |
| commit | ebba638ae723d8a8fc2f7abce5ec18b688b791d7 (patch) | |
| tree | 774eebadd4ca78e988e8ad029bca0d5e0e43f81c /lib/dynamic_debug.c | |
| parent | x86, cpu: Clear XD_DISABLED flag on Intel to regain NX (diff) | |
| download | kernel-ebba638ae723d8a8fc2f7abce5ec18b688b791d7.tar.gz kernel-ebba638ae723d8a8fc2f7abce5ec18b688b791d7.zip | |
x86, cpu: Call verify_cpu during 32bit CPU startup
The XD_DISABLE-clearing side-effect needs to happen for both 32bit
and 64bit, but the 32bit init routines were not calling verify_cpu()
yet. This adds that call to gain the side-effect.
The longmode/SSE tests being performed in verify_cpu() need to happen very
early for 64bit but not for 32bit. Instead of including it in two places
for 32bit, we can just include it once in arch/x86/kernel/head_32.S.
Signed-off-by: Kees Cook <[email protected]>
LKML-Reference: <[email protected]>
Acked-by: Pekka Enberg <[email protected]>
Acked-by: Alan Cox <[email protected]>
Signed-off-by: H. Peter Anvin <[email protected]>
Diffstat (limited to 'lib/dynamic_debug.c')
0 files changed, 0 insertions, 0 deletions