[PATCH] x86-64: correct segment permission flags in linker script

[PATCH] x86-64: correct segment permission flags in linker script

[Jan Beulich]

While these don't get actively used (afaict), it still doesn't hurt for
them to properly reflect what how respective segments will get mapped/
accessed.

Signed-off-by: Jan Beulich <jbeulich@novell.com>

---
 arch/x86/kernel/vmlinux.lds.S |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- linux-2.6.31-rc8/arch/x86/kernel/vmlinux.lds.S	2009-08-28 14:57:38.000000000 +0200
+++ 2.6.31-rc8-x86_64-segment-flags/arch/x86/kernel/vmlinux.lds.S	2009-09-03 11:39:08.000000000 +0200
@@ -45,9 +45,9 @@ PHDRS {
 	text PT_LOAD FLAGS(5);          /* R_E */
 	data PT_LOAD FLAGS(7);          /* RWE */
 #ifdef CONFIG_X86_64
-	user PT_LOAD FLAGS(7);          /* RWE */
+	user PT_LOAD FLAGS(5);          /* R_E */
 #ifdef CONFIG_SMP
-	percpu PT_LOAD FLAGS(7);        /* RWE */
+	percpu PT_LOAD FLAGS(6);        /* RW_ */
 #endif
 	init PT_LOAD FLAGS(7);          /* RWE */
 #endif

[tip:x86/urgent] x86: Correct segment permission flags in 64-bit linker script

[tip-bot for Jan Beulich]

Commit-ID:  8d0cc631f6dd0a9283ceb7d61d8b85ecbcd355ea
Gitweb:     http://git.kernel.org/tip/8d0cc631f6dd0a9283ceb7d61d8b85ecbcd355ea
Author:     Jan Beulich <JBeulich@novell.com>
AuthorDate: Fri, 4 Sep 2009 09:18:07 +0100
Committer:  Ingo Molnar <mingo@elte.hu>
CommitDate: Sun, 20 Sep 2009 20:23:47 +0200

x86: Correct segment permission flags in 64-bit linker script

While these don't get actively used (afaict), it still doesn't hurt
for them to properly reflect what how respective segments will get
mapped/ accessed.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
LKML-Reference: <4AA0E95F0200007800013707@vpn.id2.novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>


---
 arch/x86/kernel/vmlinux.lds.S |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index 0ccb57d..a46accc 100644
--- a/arch/x86/kernel/vmlinux.lds.S
+++ b/arch/x86/kernel/vmlinux.lds.S
@@ -45,9 +45,9 @@ PHDRS {
 	text PT_LOAD FLAGS(5);          /* R_E */
 	data PT_LOAD FLAGS(7);          /* RWE */
 #ifdef CONFIG_X86_64
-	user PT_LOAD FLAGS(7);          /* RWE */
+	user PT_LOAD FLAGS(5);          /* R_E */
 #ifdef CONFIG_SMP
-	percpu PT_LOAD FLAGS(7);        /* RWE */
+	percpu PT_LOAD FLAGS(6);        /* RW_ */
 #endif
 	init PT_LOAD FLAGS(7);          /* RWE */
 #endif