x86: clean up pte_exec

- Rename it to pte_exec() from pte_exec_kernel(). There is nothing
kernel specific in there.
- Move it into the common file because _PAGE_NX is 0 on !PAE and then
pte_exec() will be always evaluate to true.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 0 insertions, 8 deletions

diff --git a/include/asm-x86/pgtable-2level.h b/include/asm-x86/pgtable-2level.h
index ce486bdbbbb7..701404fab308 100644
--- a/include/asm-x86/pgtable-2level.h
+++ b/include/asm-x86/pgtable-2level.h
@@ -56,14 +56,6 @@ static inline pte_t native_ptep_get_and_clear(pte_t *xp)
 #define pte_pfn(x)              (pte_val(x) >> PAGE_SHIFT)
 
 /*
- * All present pages are kernel-executable:
- */
-static inline int pte_exec_kernel(pte_t pte)
-{
-        return 1;
-}
-
-/*
  * Bits 0, 6 and 7 are taken, split up the 29 bits of offset
  * into this range:
  */