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

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Message-ID: <tip-fd0731944333db6e9e91b6954c6ef95f4b71ab04@git.kernel.org>
Date:	Wed, 29 Apr 2009 11:05:13 GMT
From:	tip-bot for Ingo Molnar <mingo@...e.hu>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	torvalds@...ux-foundation.org, sam@...nborg.org, tabbott@....EDU,
	tglx@...utronix.de, mingo@...e.hu
Subject: [tip:x86/kbuild] x86, vmlinux.lds: fix relocatable symbols

Commit-ID:  fd0731944333db6e9e91b6954c6ef95f4b71ab04
Gitweb:     http://git.kernel.org/tip/fd0731944333db6e9e91b6954c6ef95f4b71ab04
Author:     Ingo Molnar <mingo@...e.hu>
AuthorDate: Wed, 29 Apr 2009 12:56:58 +0200
Committer:  Ingo Molnar <mingo@...e.hu>
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@...nborg.org>
Cc: Tim Abbott <tabbott@....EDU>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
LKML-Reference: <20090429105056.GA28720@...nus.ravnborg.org>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 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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