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x86/asm/boot: Use already defined KEEP_SEGMENTS macro in head_{32,64}.S

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There is already defined macro KEEP_SEGMENTS in
<asm/bootparam.h>, let's use it instead of hardcoded
constants.

Signed-off-by: Alexander Kuleshov <kuleshovmail@gmail.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1424331298-7456-1-git-send-email-kuleshovmail@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Alexander Kuleshov 2015-02-19 13:34:58 +06:00 committed by Ingo Molnar
parent 0cdb81bef2
commit fb148d83ec
3 changed files with 6 additions and 3 deletions
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3
arch/x86/boot/compressed/head_32.S
View File

@ -29,6 +29,7 @@
#include <asm/page_types.h>
#include <asm/boot.h>
#include <asm/asm-offsets.h>
#include <asm/bootparam.h>
__HEAD
ENTRY(startup_32)
@ -102,7 +103,7 @@ preferred_addr:
* Test KEEP_SEGMENTS flag to see if the bootloader is asking
* us to not reload segments
*/
testb $(1<<6), BP_loadflags(%esi)
testb $KEEP_SEGMENTS, BP_loadflags(%esi)
jnz 1f
cli

3
arch/x86/boot/compressed/head_64.S
View File

@ -31,6 +31,7 @@
#include <asm/msr.h>
#include <asm/processor-flags.h>
#include <asm/asm-offsets.h>
#include <asm/bootparam.h>
__HEAD
.code32
@ -46,7 +47,7 @@ ENTRY(startup_32)
* Test KEEP_SEGMENTS flag to see if the bootloader is asking
* us to not reload segments
*/
testb $(1<<6), BP_loadflags(%esi)
testb $KEEP_SEGMENTS, BP_loadflags(%esi)
jnz 1f
cli

3
arch/x86/kernel/head_32.S
View File

@ -22,6 +22,7 @@
#include <asm/cpufeature.h>
#include <asm/percpu.h>
#include <asm/nops.h>
#include <asm/bootparam.h>
/* Physical address */
#define pa(X) ((X) - __PAGE_OFFSET)
@ -90,7 +91,7 @@ ENTRY(startup_32)
/* test KEEP_SEGMENTS flag to see if the bootloader is asking
us to not reload segments */
testb $(1<<6), BP_loadflags(%esi)
testb $KEEP_SEGMENTS, BP_loadflags(%esi)
jnz 2f
/*