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[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>
This commit is contained in:
Andi Kleen 2006-01-16 01:56:48 +01:00 committed by Linus Torvalds
parent 5b74357328
commit 142a64a650
1 changed files with 1 additions and 1 deletions
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arch/x86_64/kernel/setup64.c
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@ -38,7 +38,7 @@ struct desc_ptr idt_descr = { 256 * 16, (unsigned long) idt_table };
char boot_cpu_stack[IRQSTACKSIZE] __attribute__((section(".bss.page_aligned")));
unsigned long __supported_pte_mask __read_mostly = ~0UL;
static int do_not_nx __initdata = 0;
static int do_not_nx __cpuinitdata = 0;
/* noexec=on|off
Control non executable mappings for 64bit processes.