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Commit 142a64a6 authored by Andi Kleen's avatar Andi Kleen Committed by Linus Torvalds
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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: default avatarShaohua <Li&lt;shaohua.li@intel.com>
Signed-off-by: default avatarAndi Kleen <ak@suse.de>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 5b743573

arch/x86_64/kernel/setup64.c

+1 −1
Original line number Diff line number Diff line
@@ -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.