[tip:x86/mm] x86: unify noexec handling, fix

From: Ingo Molnar
Date: Fri Mar 06 2009 - 10:28:18 EST


Commit-ID: b517d59e8e80c506c0809d76dbec8354b7de6c5c
Gitweb: http://git.kernel.org/tip/b517d59e8e80c506c0809d76dbec8354b7de6c5c
Author: "Ingo Molnar" <mingo@xxxxxxx>
AuthorDate: Fri, 6 Mar 2009 15:37:07 +0100
Commit: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Fri, 6 Mar 2009 16:25:00 +0100

x86: unify noexec handling, fix

Impact: build fix

Move the nx_enabled variable to mm/init.c too.

Cc: Pekka Enberg <penberg@xxxxxxxxxxxxxx>
LKML-Reference: <1236265498.31324.12.camel@penberg-laptop>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>


---
arch/x86/mm/init.c | 2 ++
arch/x86/mm/init_32.c | 2 --
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index e7d8bb5..4b799e8 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -22,6 +22,8 @@ int direct_gbpages
#endif
;

+int nx_enabled;
+
#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
static int disable_nx __initdata;

diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 8ff1173..07bfd60 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -587,8 +587,6 @@ void zap_low_mappings(void)
flush_tlb_all();
}

-int nx_enabled;
-
pteval_t __supported_pte_mask __read_mostly = ~(_PAGE_NX | _PAGE_GLOBAL | _PAGE_IOMAP);
EXPORT_SYMBOL_GPL(__supported_pte_mask);

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