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* [PATCH 1/2] x86: rename do_not_nx to disable_nx in mm/init_64.c
@ 2009-03-05 15:04 Pekka Enberg
  2009-03-06 14:27 ` [tip:x86/mm] " Pekka Enberg
  0 siblings, 1 reply; 2+ messages in thread
From: Pekka Enberg @ 2009-03-05 15:04 UTC (permalink / raw)
  To: mingo; +Cc: x86, linux-kernel

From: Pekka Enberg <penberg@cs.helsinki.fi>

As a preparational step for unifying noexec handling on 32-bit and 64-bit,
rename the do_not_nx variable to disable_nx on 64-bit.

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---
 arch/x86/mm/init_64.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 7dd7ce4..bb50ce8 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -85,7 +85,7 @@ early_param("gbpages", parse_direct_gbpages_on);
 pteval_t __supported_pte_mask __read_mostly = ~_PAGE_IOMAP;
 EXPORT_SYMBOL_GPL(__supported_pte_mask);
 
-static int do_not_nx __cpuinitdata;
+static int disable_nx __cpuinitdata;
 
 /*
  * noexec=on|off
@@ -100,9 +100,9 @@ static int __init nonx_setup(char *str)
 		return -EINVAL;
 	if (!strncmp(str, "on", 2)) {
 		__supported_pte_mask |= _PAGE_NX;
-		do_not_nx = 0;
+		disable_nx = 0;
 	} else if (!strncmp(str, "off", 3)) {
-		do_not_nx = 1;
+		disable_nx = 1;
 		__supported_pte_mask &= ~_PAGE_NX;
 	}
 	return 0;
@@ -114,7 +114,7 @@ void __cpuinit check_efer(void)
 	unsigned long efer;
 
 	rdmsrl(MSR_EFER, efer);
-	if (!(efer & EFER_NX) || do_not_nx)
+	if (!(efer & EFER_NX) || disable_nx)
 		__supported_pte_mask &= ~_PAGE_NX;
 }
 
-- 
1.5.4.3




^ permalink raw reply related	[flat|nested] 2+ messages in thread

* [tip:x86/mm] x86: rename do_not_nx to disable_nx in mm/init_64.c
  2009-03-05 15:04 [PATCH 1/2] x86: rename do_not_nx to disable_nx in mm/init_64.c Pekka Enberg
@ 2009-03-06 14:27 ` Pekka Enberg
  0 siblings, 0 replies; 2+ messages in thread
From: Pekka Enberg @ 2009-03-06 14:27 UTC (permalink / raw)
  To: linux-tip-commits; +Cc: linux-kernel, hpa, mingo, penberg, tglx, mingo

Commit-ID:  5dd61dfabcaa5bfb67afb8a2d255bd1e156562e3
Gitweb:     http://git.kernel.org/tip/5dd61dfabcaa5bfb67afb8a2d255bd1e156562e3
Author:     "Pekka Enberg" <penberg@cs.helsinki.fi>
AuthorDate: Thu, 5 Mar 2009 17:04:57 +0200
Commit:     Ingo Molnar <mingo@elte.hu>
CommitDate: Fri, 6 Mar 2009 15:25:52 +0100

x86: rename do_not_nx to disable_nx in mm/init_64.c

As a preparational step for unifying noexec handling on 32-bit and 64-bit,
rename the do_not_nx variable to disable_nx on 64-bit.

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
LKML-Reference: <1236265497.31324.11.camel@penberg-laptop>
Signed-off-by: Ingo Molnar <mingo@elte.hu>


---
 arch/x86/mm/init_64.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 8a853bc..54efa57 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -85,7 +85,7 @@ early_param("gbpages", parse_direct_gbpages_on);
 pteval_t __supported_pte_mask __read_mostly = ~_PAGE_IOMAP;
 EXPORT_SYMBOL_GPL(__supported_pte_mask);
 
-static int do_not_nx __cpuinitdata;
+static int disable_nx __cpuinitdata;
 
 /*
  * noexec=on|off
@@ -100,9 +100,9 @@ static int __init nonx_setup(char *str)
 		return -EINVAL;
 	if (!strncmp(str, "on", 2)) {
 		__supported_pte_mask |= _PAGE_NX;
-		do_not_nx = 0;
+		disable_nx = 0;
 	} else if (!strncmp(str, "off", 3)) {
-		do_not_nx = 1;
+		disable_nx = 1;
 		__supported_pte_mask &= ~_PAGE_NX;
 	}
 	return 0;
@@ -114,7 +114,7 @@ void __cpuinit check_efer(void)
 	unsigned long efer;
 
 	rdmsrl(MSR_EFER, efer);
-	if (!(efer & EFER_NX) || do_not_nx)
+	if (!(efer & EFER_NX) || disable_nx)
 		__supported_pte_mask &= ~_PAGE_NX;
 }
 

^ permalink raw reply related	[flat|nested] 2+ messages in thread

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2009-03-05 15:04 [PATCH 1/2] x86: rename do_not_nx to disable_nx in mm/init_64.c Pekka Enberg
2009-03-06 14:27 ` [tip:x86/mm] " Pekka Enberg

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