diff options
| author | Jan Beulich <jbeulich@novell.com> | 2007-07-15 23:38:17 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-16 09:05:36 -0700 |
| commit | 45e98cdb6d365b34b7a2d849e4d8bdc264d8e6e4 (patch) | |
| tree | 172a959293a2c31691a162eca6af131e3ac89da2 /include/asm-i386 | |
| parent | 98011f569e2ae1e4ae394f6e23faa16676d50de4 (diff) | |
page table handling cleanup
Kill pte_rdprotect(), pte_exprotect(), pte_mkread(), pte_mkexec(), pte_read(),
pte_exec(), and pte_user() except where arch-specific code is making use of
them.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-i386')
| -rw-r--r-- | include/asm-i386/pgtable-2level.h | 8 | ||||
| -rw-r--r-- | include/asm-i386/pgtable-3level.h | 17 | ||||
| -rw-r--r-- | include/asm-i386/pgtable.h | 6 |
3 files changed, 1 insertions, 30 deletions
diff --git a/include/asm-i386/pgtable-2level.h b/include/asm-i386/pgtable-2level.h index a50fd1773de8..84b03cf56a79 100644 --- a/include/asm-i386/pgtable-2level.h +++ b/include/asm-i386/pgtable-2level.h @@ -57,14 +57,6 @@ static inline pte_t native_ptep_get_and_clear(pte_t *xp) #define pfn_pmd(pfn, prot) __pmd(((pfn) << PAGE_SHIFT) | pgprot_val(prot)) /* - * All present user pages are user-executable: - */ -static inline int pte_exec(pte_t pte) -{ - return pte_user(pte); -} - -/* * All present pages are kernel-executable: */ static inline int pte_exec_kernel(pte_t pte) diff --git a/include/asm-i386/pgtable-3level.h b/include/asm-i386/pgtable-3level.h index eb0f1d7e96a1..948a33414118 100644 --- a/include/asm-i386/pgtable-3level.h +++ b/include/asm-i386/pgtable-3level.h @@ -20,26 +20,11 @@ #define pud_present(pud) 1 /* - * Is the pte executable? - */ -static inline int pte_x(pte_t pte) -{ - return !(pte_val(pte) & _PAGE_NX); -} - -/* - * All present user-pages with !NX bit are user-executable: - */ -static inline int pte_exec(pte_t pte) -{ - return pte_user(pte) && pte_x(pte); -} -/* * All present pages with !NX bit are kernel-executable: */ static inline int pte_exec_kernel(pte_t pte) { - return pte_x(pte); + return !(pte_val(pte) & _PAGE_NX); } /* Rules for using set_pte: the pte being assigned *must* be diff --git a/include/asm-i386/pgtable.h b/include/asm-i386/pgtable.h index 628fa7747d0c..0efa8063a3e9 100644 --- a/include/asm-i386/pgtable.h +++ b/include/asm-i386/pgtable.h @@ -218,8 +218,6 @@ extern unsigned long pg0[]; * The following only work if pte_present() is true. * Undefined behaviour if not.. */ -static inline int pte_user(pte_t pte) { return (pte).pte_low & _PAGE_USER; } -static inline int pte_read(pte_t pte) { return (pte).pte_low & _PAGE_USER; } static inline int pte_dirty(pte_t pte) { return (pte).pte_low & _PAGE_DIRTY; } static inline int pte_young(pte_t pte) { return (pte).pte_low & _PAGE_ACCESSED; } static inline int pte_write(pte_t pte) { return (pte).pte_low & _PAGE_RW; } @@ -230,13 +228,9 @@ static inline int pte_huge(pte_t pte) { return (pte).pte_low & _PAGE_PSE; } */ static inline int pte_file(pte_t pte) { return (pte).pte_low & _PAGE_FILE; } -static inline pte_t pte_rdprotect(pte_t pte) { (pte).pte_low &= ~_PAGE_USER; return pte; } -static inline pte_t pte_exprotect(pte_t pte) { (pte).pte_low &= ~_PAGE_USER; return pte; } static inline pte_t pte_mkclean(pte_t pte) { (pte).pte_low &= ~_PAGE_DIRTY; return pte; } static inline pte_t pte_mkold(pte_t pte) { (pte).pte_low &= ~_PAGE_ACCESSED; return pte; } static inline pte_t pte_wrprotect(pte_t pte) { (pte).pte_low &= ~_PAGE_RW; return pte; } -static inline pte_t pte_mkread(pte_t pte) { (pte).pte_low |= _PAGE_USER; return pte; } -static inline pte_t pte_mkexec(pte_t pte) { (pte).pte_low |= _PAGE_USER; return pte; } static inline pte_t pte_mkdirty(pte_t pte) { (pte).pte_low |= _PAGE_DIRTY; return pte; } static inline pte_t pte_mkyoung(pte_t pte) { (pte).pte_low |= _PAGE_ACCESSED; return pte; } static inline pte_t pte_mkwrite(pte_t pte) { (pte).pte_low |= _PAGE_RW; return pte; } |