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x86: clean up pte_exec

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- 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>
This commit is contained in:
Andi Kleen
2008-01-30 13:33:42 +01:00
committed by Ingo Molnar
parent e66a95127d
commit 4c3c4b4513
5 changed files with 3 additions and 18 deletions
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8
include/asm-x86/pgtable-3level.h
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@@ -19,14 +19,6 @@
#define pud_bad(pud) 0
#define pud_present(pud) 1
/*
* All present pages with !NX bit are kernel-executable:
*/
static inline int pte_exec_kernel(pte_t pte)
{
return !(pte_val(pte) & _PAGE_NX);
}
/* Rules for using set_pte: the pte being assigned *must* be
* either not present or in a state where the hardware will
* not attempt to update the pte. In places where this is