linux-kernel - [PATCH 4/4] i386: Specify section flags while creating new sections

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Message-ID: <20070103113455.GI17546@in.ibm.com>
Date:	Wed, 3 Jan 2007 17:04:55 +0530
From:	Vivek Goyal <vgoyal@...ibm.com>
To:	linux kernel mailing list <linux-kernel@...r.kernel.org>
Cc:	Fastboot mailing list <fastboot@...ts.osdl.org>,
	Morton Andrew Morton <akpm@...l.org>, Andi Kleen <ak@....de>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Sam Ravnborg <sam@...nborg.org>
Subject: [PATCH 4/4] i386: Specify section flags while creating new sections




o Older binutils (older than 2.6.15) require explicit flags to be set
  for section. (if a section has been defined using "section" directive).
  Otherwise a section which should have been allocatable and executable
  (AX) will not have properties as per intention.

o I had put a patch in -mm which will break the things if used with
  older binutils. Hence this is the fix on top of that patch.

http://kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.20-rc2/2.6.20-rc2-mm1/broken-out/i386-move-startup_32-in-texthead-section.patch

Signed-off-by: Vivek Goyal <vgoyal@...ibm.com>
---

 arch/i386/kernel/head.S |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff -puN arch/i386/kernel/head.S~i386-modify-section-directive-for-older-binutils arch/i386/kernel/head.S
--- linux-2.6.20-rc2-mm1-reloc/arch/i386/kernel/head.S~i386-modify-section-directive-for-older-binutils	2007-01-03 11:58:51.000000000 +0530
+++ linux-2.6.20-rc2-mm1-reloc-root/arch/i386/kernel/head.S	2007-01-03 12:00:03.000000000 +0530
@@ -53,7 +53,7 @@
  * any particular GDT layout, because we load our own as soon as we
  * can.
  */
-.section .text.head
+.section .text.head,"ax",@progbits
 ENTRY(startup_32)
 
 #ifdef CONFIG_PARAVIRT
@@ -155,9 +155,9 @@ page_pde_offset = (__PAGE_OFFSET >> 20);
  */
 
 #ifdef CONFIG_HOTPLUG_CPU
-.section .text
+.section .text,"ax",@progbits
 #else
-.section .init.text
+.section .init.text,"ax",@progbits
 #endif
 
 #ifdef CONFIG_SMP
_
-
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