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

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>

diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S
index 1d7fbbc..8ef964d 100644 (file)
--- a/arch/x86/boot/compressed/head_32.S
+++ b/arch/x86/boot/compressed/head_32.S
@@ -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

diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index 6b1766c..90c1521 100644 (file)
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -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

diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index f36bd42..d031bad 100644 (file)
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -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
 
 /*