diff options
| author | Andi Kleen <ak@suse.de> | 2006-01-15 19:56:48 -0500 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-16 14:27:59 -0500 |
| commit | 142a64a650fa5786c2ecea3de5ae3d5a2de72312 (patch) | |
| tree | 1216c324cfb4abf6a3b4a0650899da30441edea9 | |
| parent | 5b74357328eb325c12ea76f043524e7924a021e4 (diff) | |
[PATCH] x86_64: set do_not_nx as cpuinitdata
'check_efer' uses 'do_not_nx'. Hotpluged CPU could wrongly disable NX.
Signed-off-by: Shaohua Li<shaohua.li@intel.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | arch/x86_64/kernel/setup64.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86_64/kernel/setup64.c b/arch/x86_64/kernel/setup64.c index 6eff51e9400c..8ac4db09610a 100644 --- a/arch/x86_64/kernel/setup64.c +++ b/arch/x86_64/kernel/setup64.c | |||
| @@ -38,7 +38,7 @@ struct desc_ptr idt_descr = { 256 * 16, (unsigned long) idt_table }; | |||
| 38 | char boot_cpu_stack[IRQSTACKSIZE] __attribute__((section(".bss.page_aligned"))); | 38 | char boot_cpu_stack[IRQSTACKSIZE] __attribute__((section(".bss.page_aligned"))); |
| 39 | 39 | ||
| 40 | unsigned long __supported_pte_mask __read_mostly = ~0UL; | 40 | unsigned long __supported_pte_mask __read_mostly = ~0UL; |
| 41 | static int do_not_nx __initdata = 0; | 41 | static int do_not_nx __cpuinitdata = 0; |
| 42 | 42 | ||
| 43 | /* noexec=on|off | 43 | /* noexec=on|off |
| 44 | Control non executable mappings for 64bit processes. | 44 | Control non executable mappings for 64bit processes. |