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authorTim Abbott <tabbott@ksplice.com>2009-09-16 16:44:27 -0400
committerH. Peter Anvin <hpa@zytor.com>2009-09-18 10:21:49 -0700
commit1dc818c1c574a4caa7b575bd9018d04090fb6c86 (patch)
tree346f49d1004f2c8024bb931ea5164060a10d6cc9 /arch/x86/boot
parentd223246ef7e6d73c8e3d9b58f27f2eb3fe95e25d (diff)
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x86: convert compressed loader to use __HEAD and HEAD_TEXT macros.
This has the consequence of changing the section name use for head code from ".text.head" to ".head.text". Linus suggested that we merge the ".text.head" section with ".text" (presumably while preserving the fact that the head code starts at 0). When I tried this it caused the kernel to not boot. Signed-off-by: Tim Abbott <tabbott@ksplice.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/boot')
-rw-r--r--arch/x86/boot/compressed/head_32.S3
-rw-r--r--arch/x86/boot/compressed/head_64.S3
-rw-r--r--arch/x86/boot/compressed/vmlinux.lds.S6
3 files changed, 8 insertions, 4 deletions
diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S
index 75e4f001e70..f543b70ffae 100644
--- a/arch/x86/boot/compressed/head_32.S
+++ b/arch/x86/boot/compressed/head_32.S
@@ -23,13 +23,14 @@
*/
.text
+#include <linux/init.h>
#include <linux/linkage.h>
#include <asm/segment.h>
#include <asm/page_types.h>
#include <asm/boot.h>
#include <asm/asm-offsets.h>
- .section ".text.head","ax",@progbits
+ __HEAD
ENTRY(startup_32)
cld
/*
diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index f62c284db9e..077e1b69198 100644
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -24,6 +24,7 @@
.code32
.text
+#include <linux/init.h>
#include <linux/linkage.h>
#include <asm/segment.h>
#include <asm/pgtable_types.h>
@@ -33,7 +34,7 @@
#include <asm/processor-flags.h>
#include <asm/asm-offsets.h>
- .section ".text.head"
+ __HEAD
.code32
ENTRY(startup_32)
cld
diff --git a/arch/x86/boot/compressed/vmlinux.lds.S b/arch/x86/boot/compressed/vmlinux.lds.S
index cc353e1b3ff..f4193bb4878 100644
--- a/arch/x86/boot/compressed/vmlinux.lds.S
+++ b/arch/x86/boot/compressed/vmlinux.lds.S
@@ -1,3 +1,5 @@
+#include <asm-generic/vmlinux.lds.h>
+
OUTPUT_FORMAT(CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT)
#undef i386
@@ -18,9 +20,9 @@ SECTIONS
* address 0.
*/
. = 0;
- .text.head : {
+ .head.text : {
_head = . ;
- *(.text.head)
+ HEAD_TEXT
_ehead = . ;
}
.rodata.compressed : {