[tip:x86/kbuild] x86, vmlinux.lds: fix relocatable symbols

From: tip-bot for Ingo Molnar
Date: Wed Apr 29 2009 - 07:07:55 EST


Commit-ID: fd0731944333db6e9e91b6954c6ef95f4b71ab04
Gitweb: http://git.kernel.org/tip/fd0731944333db6e9e91b6954c6ef95f4b71ab04
Author: Ingo Molnar <mingo@xxxxxxx>
AuthorDate: Wed, 29 Apr 2009 12:56:58 +0200
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Wed, 29 Apr 2009 13:01:18 +0200

x86, vmlinux.lds: fix relocatable symbols

__init_begin/_end symbols should be inside sections as well,
otherwise the relocatable kernel gets confused when freeing
init sections in the wrong place.

[ Impact: fix bootup crash ]

Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
Cc: Tim Abbott <tabbott@xxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
LKML-Reference: <20090429105056.GA28720@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>


---
arch/x86/kernel/vmlinux.lds.S | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index 0bdbaa5..4c85b2e 100644
--- a/arch/x86/kernel/vmlinux.lds.S
+++ b/arch/x86/kernel/vmlinux.lds.S
@@ -255,8 +255,8 @@ SECTIONS

/* Init code and data - will be freed after init */
. = ALIGN(PAGE_SIZE);
- __init_begin = .; /* paired with __init_end */
.init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
+ __init_begin = .; /* paired with __init_end */
_sinittext = .;
INIT_TEXT
_einittext = .;
@@ -346,8 +346,11 @@ SECTIONS
#endif

. = ALIGN(PAGE_SIZE);
+
/* freed after init ends here */
- __init_end = .;
+ .init.end : AT(ADDR(.init.end) - LOAD_OFFSET) {
+ __init_end = .;
+ }

#ifdef CONFIG_X86_64
.data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) {
--
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