x86 setup: use X86_CR0_PE macro instead of hard-coded constant
To set CR0.PE, use the X86_CR0_PE macro defined in
<asm/processor-flags.h> instead of hardcoding it as a constant (1).
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/boot/pmjump.S b/arch/x86/boot/pmjump.S
index f7153d0..f5402d5 100644
--- a/arch/x86/boot/pmjump.S
+++ b/arch/x86/boot/pmjump.S
@@ -15,6 +15,7 @@
*/
#include <asm/boot.h>
+#include <asm/processor-flags.h>
#include <asm/segment.h>
.text
@@ -39,7 +40,7 @@
movw $__BOOT_TSS, %di
movl %cr0, %edx
- orb $1, %dl # Protected mode (PE) bit
+ orb $X86_CR0_PE, %dl # Protected mode
movl %edx, %cr0
jmp 1f # Short jump to serialize on 386/486
1: