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>

diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index e5eaa8072ae03277df2f0c1961fbb5700ff71135..ca26232da7abc96de39cf3b5c437ab7614d7e54d 100644 (file)
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -160,9 +160,6 @@ static inline int srmmu_pte_none(pte_t pte)
 static inline int srmmu_pte_present(pte_t pte)
 { return ((pte_val(pte) & SRMMU_ET_MASK) == SRMMU_ET_PTE); }
 
-static inline int srmmu_pte_read(pte_t pte)
-{ return !(pte_val(pte) & SRMMU_NOREAD); }
-
 static inline void srmmu_pte_clear(pte_t *ptep)
 { srmmu_set_pte(ptep, __pte(0)); }
 
@@ -2181,7 +2178,6 @@ void __init ld_mmu_srmmu(void)
 
        BTFIXUPSET_CALL(pte_present, srmmu_pte_present, BTFIXUPCALL_NORM);
        BTFIXUPSET_CALL(pte_clear, srmmu_pte_clear, BTFIXUPCALL_SWAPO0G0);
-       BTFIXUPSET_CALL(pte_read, srmmu_pte_read, BTFIXUPCALL_NORM);
 
        BTFIXUPSET_CALL(pmd_bad, srmmu_pmd_bad, BTFIXUPCALL_NORM);
        BTFIXUPSET_CALL(pmd_present, srmmu_pmd_present, BTFIXUPCALL_NORM);

diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c
index 436021ceb2e7bd369490eda32eec58b4460ae815..bdd835fba02e8c3f02b58acfbf6f98c7c98aa57a 100644 (file)
--- a/arch/sparc/mm/sun4c.c
+++ b/arch/sparc/mm/sun4c.c
@@ -1748,11 +1748,6 @@ static int sun4c_pte_present(pte_t pte)
 }
 static void sun4c_pte_clear(pte_t *ptep)       { *ptep = __pte(0); }
 
-static int sun4c_pte_read(pte_t pte)
-{
-       return (pte_val(pte) & _SUN4C_PAGE_READ);
-}
-
 static int sun4c_pmd_bad(pmd_t pmd)
 {
        return (((pmd_val(pmd) & ~PAGE_MASK) != PGD_TABLE) ||
@@ -2212,7 +2207,6 @@ void __init ld_mmu_sun4c(void)
 
        BTFIXUPSET_CALL(pte_present, sun4c_pte_present, BTFIXUPCALL_NORM);
        BTFIXUPSET_CALL(pte_clear, sun4c_pte_clear, BTFIXUPCALL_STG0O0);
-       BTFIXUPSET_CALL(pte_read, sun4c_pte_read, BTFIXUPCALL_NORM);
 
        BTFIXUPSET_CALL(pmd_bad, sun4c_pmd_bad, BTFIXUPCALL_NORM);
        BTFIXUPSET_CALL(pmd_present, sun4c_pmd_present, BTFIXUPCALL_NORM);

diff --git a/include/asm-alpha/pgtable.h b/include/asm-alpha/pgtable.h
index 616d20662ff343cec53dbd069487cae7013f7298..99037b0323570c1e4831e1ec2228bc455fcabef0 100644 (file)
--- a/include/asm-alpha/pgtable.h
+++ b/include/asm-alpha/pgtable.h
@@ -264,21 +264,15 @@ extern inline void pgd_clear(pgd_t * pgdp)        { pgd_val(*pgdp) = 0; }
  * The following only work if pte_present() is true.
  * Undefined behaviour if not..
  */
-extern inline int pte_read(pte_t pte)          { return !(pte_val(pte) & _PAGE_FOR); }
 extern inline int pte_write(pte_t pte)         { return !(pte_val(pte) & _PAGE_FOW); }
-extern inline int pte_exec(pte_t pte)          { return !(pte_val(pte) & _PAGE_FOE); }
 extern inline int pte_dirty(pte_t pte)         { return pte_val(pte) & _PAGE_DIRTY; }
 extern inline int pte_young(pte_t pte)         { return pte_val(pte) & _PAGE_ACCESSED; }
 extern inline int pte_file(pte_t pte)          { return pte_val(pte) & _PAGE_FILE; }
 
 extern inline pte_t pte_wrprotect(pte_t pte)   { pte_val(pte) |= _PAGE_FOW; return pte; }
-extern inline pte_t pte_rdprotect(pte_t pte)   { pte_val(pte) |= _PAGE_FOR; return pte; }
-extern inline pte_t pte_exprotect(pte_t pte)   { pte_val(pte) |= _PAGE_FOE; return pte; }
 extern inline pte_t pte_mkclean(pte_t pte)     { pte_val(pte) &= ~(__DIRTY_BITS); return pte; }
 extern inline pte_t pte_mkold(pte_t pte)       { pte_val(pte) &= ~(__ACCESS_BITS); return pte; }
 extern inline pte_t pte_mkwrite(pte_t pte)     { pte_val(pte) &= ~_PAGE_FOW; return pte; }
-extern inline pte_t pte_mkread(pte_t pte)      { pte_val(pte) &= ~_PAGE_FOR; return pte; }
-extern inline pte_t pte_mkexec(pte_t pte)      { pte_val(pte) &= ~_PAGE_FOE; return pte; }
 extern inline pte_t pte_mkdirty(pte_t pte)     { pte_val(pte) |= __DIRTY_BITS; return pte; }
 extern inline pte_t pte_mkyoung(pte_t pte)     { pte_val(pte) |= __ACCESS_BITS; return pte; }
 

diff --git a/include/asm-arm/pgtable.h b/include/asm-arm/pgtable.h
index 21dec9f258d822d081a0e7da9251de908f5e0462..cb4c2c9d000a11b3a7f4db387657743fa44c5d55 100644 (file)
--- a/include/asm-arm/pgtable.h
+++ b/include/asm-arm/pgtable.h
@@ -257,9 +257,7 @@ extern struct page *empty_zero_page;
  * Undefined behaviour if not..
  */
 #define pte_present(pte)       (pte_val(pte) & L_PTE_PRESENT)
-#define pte_read(pte)          (pte_val(pte) & L_PTE_USER)
 #define pte_write(pte)         (pte_val(pte) & L_PTE_WRITE)
-#define pte_exec(pte)          (pte_val(pte) & L_PTE_EXEC)
 #define pte_dirty(pte)         (pte_val(pte) & L_PTE_DIRTY)
 #define pte_young(pte)         (pte_val(pte) & L_PTE_YOUNG)
 
@@ -275,12 +273,8 @@ extern struct page *empty_zero_page;
 #define PTE_BIT_FUNC(fn,op) \
 static inline pte_t pte_##fn(pte_t pte) { pte_val(pte) op; return pte; }
 
-/*PTE_BIT_FUNC(rdprotect, &= ~L_PTE_USER);*/
-/*PTE_BIT_FUNC(mkread,    |= L_PTE_USER);*/
 PTE_BIT_FUNC(wrprotect, &= ~L_PTE_WRITE);
 PTE_BIT_FUNC(mkwrite,   |= L_PTE_WRITE);
-PTE_BIT_FUNC(exprotect, &= ~L_PTE_EXEC);
-PTE_BIT_FUNC(mkexec,    |= L_PTE_EXEC);
 PTE_BIT_FUNC(mkclean,   &= ~L_PTE_DIRTY);
 PTE_BIT_FUNC(mkdirty,   |= L_PTE_DIRTY);
 PTE_BIT_FUNC(mkold,     &= ~L_PTE_YOUNG);

diff --git a/include/asm-arm26/pgtable.h b/include/asm-arm26/pgtable.h
index 2b20e9f08857483a100b81fd25751c732682d247..55a1a697d12b350e8c7d3c58e3865cbe3b3ab89f 100644 (file)
--- a/include/asm-arm26/pgtable.h
+++ b/include/asm-arm26/pgtable.h
@@ -218,9 +218,7 @@ extern struct page *empty_zero_page;
  * The following only work if pte_present() is true.
  * Undefined behaviour if not..
  */
-#define pte_read(pte)                   (!(pte_val(pte) & _PAGE_NOT_USER))
 #define pte_write(pte)                  (!(pte_val(pte) & _PAGE_READONLY))
-#define pte_exec(pte)                   (!(pte_val(pte) & _PAGE_NOT_USER))
 #define pte_dirty(pte)                  (!(pte_val(pte) & _PAGE_CLEAN))
 #define pte_young(pte)                  (!(pte_val(pte) & _PAGE_OLD))
 //ONLY when !pte_present() I think. nicked from arm32 (FIXME!)
@@ -231,8 +229,6 @@ static inline pte_t pte_##fn(pte_t pte) { pte_val(pte) op; return pte; }
 
 PTE_BIT_FUNC(wrprotect, |=  _PAGE_READONLY);
 PTE_BIT_FUNC(mkwrite,   &= ~_PAGE_READONLY);
-PTE_BIT_FUNC(exprotect, |=  _PAGE_NOT_USER);
-PTE_BIT_FUNC(mkexec,    &= ~_PAGE_NOT_USER);
 PTE_BIT_FUNC(mkclean,   |=  _PAGE_CLEAN);
 PTE_BIT_FUNC(mkdirty,   &= ~_PAGE_CLEAN);
 PTE_BIT_FUNC(mkold,     |=  _PAGE_OLD);

diff --git a/include/asm-avr32/pgtable.h b/include/asm-avr32/pgtable.h
index f6cc2b0f75c3118ce0b7adb3e4f989da042c5d83..c07bdd10b8911733ce4c3fd7ebb3816db36951f6 100644 (file)
--- a/include/asm-avr32/pgtable.h
+++ b/include/asm-avr32/pgtable.h
@@ -201,18 +201,10 @@ extern struct page *empty_zero_page;
  * The following only work if pte_present() is true.
  * Undefined behaviour if not..
  */
-static inline int pte_read(pte_t pte)
-{
-       return pte_val(pte) & _PAGE_USER;
-}
 static inline int pte_write(pte_t pte)
 {
        return pte_val(pte) & _PAGE_RW;
 }
-static inline int pte_exec(pte_t pte)
-{
-       return pte_val(pte) & _PAGE_EXECUTE;
-}
 static inline int pte_dirty(pte_t pte)
 {
        return pte_val(pte) & _PAGE_DIRTY;
@@ -231,21 +223,11 @@ static inline int pte_file(pte_t pte)
 }
 
 /* Mutator functions for PTE bits */
-static inline pte_t pte_rdprotect(pte_t pte)
-{
-       set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_USER));
-       return pte;
-}
 static inline pte_t pte_wrprotect(pte_t pte)
 {
        set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_RW));
        return pte;
 }
-static inline pte_t pte_exprotect(pte_t pte)
-{
-       set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_EXECUTE));
-       return pte;
-}
 static inline pte_t pte_mkclean(pte_t pte)
 {
        set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_DIRTY));
@@ -256,21 +238,11 @@ static inline pte_t pte_mkold(pte_t pte)
        set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_ACCESSED));
        return pte;
 }
-static inline pte_t pte_mkread(pte_t pte)
-{
-       set_pte(&pte, __pte(pte_val(pte) | _PAGE_USER));
-       return pte;
-}
 static inline pte_t pte_mkwrite(pte_t pte)
 {
        set_pte(&pte, __pte(pte_val(pte) | _PAGE_RW));
        return pte;
 }
-static inline pte_t pte_mkexec(pte_t pte)
-{
-       set_pte(&pte, __pte(pte_val(pte) | _PAGE_EXECUTE));
-       return pte;
-}
 static inline pte_t pte_mkdirty(pte_t pte)
 {
        set_pte(&pte, __pte(pte_val(pte) | _PAGE_DIRTY));

diff --git a/include/asm-cris/pgtable.h b/include/asm-cris/pgtable.h
index c94a7107019c353086b2493065e13e3159709132..417f71116215d5c80ef84cd5ee828070b4f785cb 100644 (file)
--- a/include/asm-cris/pgtable.h
+++ b/include/asm-cris/pgtable.h
@@ -111,9 +111,7 @@ extern unsigned long empty_zero_page;
  * Undefined behaviour if not..
  */
 
-static inline int pte_read(pte_t pte)           { return pte_val(pte) & _PAGE_READ; }
 static inline int pte_write(pte_t pte)          { return pte_val(pte) & _PAGE_WRITE; }
-static inline int pte_exec(pte_t pte)           { return pte_val(pte) & _PAGE_READ; }
 static inline int pte_dirty(pte_t pte)          { return pte_val(pte) & _PAGE_MODIFIED; }
 static inline int pte_young(pte_t pte)          { return pte_val(pte) & _PAGE_ACCESSED; }
 static inline int pte_file(pte_t pte)           { return pte_val(pte) & _PAGE_FILE; }
@@ -124,18 +122,6 @@ static inline pte_t pte_wrprotect(pte_t pte)
         return pte;
 }
 
-static inline pte_t pte_rdprotect(pte_t pte)
-{
-        pte_val(pte) &= ~(_PAGE_READ | _PAGE_SILENT_READ);
-       return pte;
-}
-
-static inline pte_t pte_exprotect(pte_t pte)
-{
-        pte_val(pte) &= ~(_PAGE_READ | _PAGE_SILENT_READ);
-       return pte;
-}
-
 static inline pte_t pte_mkclean(pte_t pte)
 {
        pte_val(pte) &= ~(_PAGE_MODIFIED | _PAGE_SILENT_WRITE); 
@@ -156,22 +142,6 @@ static inline pte_t pte_mkwrite(pte_t pte)
         return pte;
 }
 
-static inline pte_t pte_mkread(pte_t pte)
-{
-        pte_val(pte) |= _PAGE_READ;
-        if (pte_val(pte) & _PAGE_ACCESSED)
-                pte_val(pte) |= _PAGE_SILENT_READ;
-        return pte;
-}
-
-static inline pte_t pte_mkexec(pte_t pte)
-{
-        pte_val(pte) |= _PAGE_READ;
-        if (pte_val(pte) & _PAGE_ACCESSED)
-                pte_val(pte) |= _PAGE_SILENT_READ;
-        return pte;
-}
-
 static inline pte_t pte_mkdirty(pte_t pte)
 {
         pte_val(pte) |= _PAGE_MODIFIED;

diff --git a/include/asm-frv/pgtable.h b/include/asm-frv/pgtable.h
index 114aefae2701fc83914f3114918e55ecbaa160bf..adde699852556e83d19334f7af1cb9e9ab72dab2 100644 (file)
--- a/include/asm-frv/pgtable.h
+++ b/include/asm-frv/pgtable.h
@@ -377,19 +377,13 @@ static inline pmd_t *pmd_offset(pud_t *dir, unsigned long address)
  * The following only work if pte_present() is true.
  * Undefined behaviour if not..
  */
-static inline int pte_read(pte_t pte)          { return !((pte).pte & _PAGE_SUPER); }
-static inline int pte_exec(pte_t pte)          { return !((pte).pte & _PAGE_SUPER); }
 static inline int pte_dirty(pte_t pte)         { return (pte).pte & _PAGE_DIRTY; }
 static inline int pte_young(pte_t pte)         { return (pte).pte & _PAGE_ACCESSED; }
 static inline int pte_write(pte_t pte)         { return !((pte).pte & _PAGE_WP); }
 
-static inline pte_t pte_rdprotect(pte_t pte)   { (pte).pte |= _PAGE_SUPER; return pte; }
-static inline pte_t pte_exprotect(pte_t pte)   { (pte).pte |= _PAGE_SUPER; return pte; }
 static inline pte_t pte_mkclean(pte_t pte)     { (pte).pte &= ~_PAGE_DIRTY; return pte; }
 static inline pte_t pte_mkold(pte_t pte)       { (pte).pte &= ~_PAGE_ACCESSED; return pte; }
 static inline pte_t pte_wrprotect(pte_t pte)   { (pte).pte |= _PAGE_WP; return pte; }
-static inline pte_t pte_mkread(pte_t pte)      { (pte).pte &= ~_PAGE_SUPER; return pte; }
-static inline pte_t pte_mkexec(pte_t pte)      { (pte).pte &= ~_PAGE_SUPER; return pte; }
 static inline pte_t pte_mkdirty(pte_t pte)     { (pte).pte |= _PAGE_DIRTY; return pte; }
 static inline pte_t pte_mkyoung(pte_t pte)     { (pte).pte |= _PAGE_ACCESSED; return pte; }
 static inline pte_t pte_mkwrite(pte_t pte)     { (pte).pte &= ~_PAGE_WP; return pte; }

diff --git a/include/asm-i386/pgtable-2level.h b/include/asm-i386/pgtable-2level.h
index a50fd1773de8fa3b6312472c5a1f75211fe03124..84b03cf56a791ce9130914544059b8df1f12b923 100644 (file)
--- a/include/asm-i386/pgtable-2level.h
+++ b/include/asm-i386/pgtable-2level.h
@@ -56,14 +56,6 @@ static inline pte_t native_ptep_get_and_clear(pte_t *xp)
 #define pfn_pte(pfn, prot)     __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
 #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:
  */

diff --git a/include/asm-i386/pgtable-3level.h b/include/asm-i386/pgtable-3level.h
index eb0f1d7e96a169365a277e3817f6a50aced276ba..948a334141184f09e486baa971ed321cb6727f6f 100644 (file)
--- a/include/asm-i386/pgtable-3level.h
+++ b/include/asm-i386/pgtable-3level.h
@@ -19,27 +19,12 @@
 #define pud_bad(pud)                           0
 #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 628fa7747d0cce02dfd866c181c31dbd413c952c..0efa8063a3e9be27de5fad5caf86294f29239a19 100644 (file)
--- 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; }

diff --git a/include/asm-ia64/pgtable.h b/include/asm-ia64/pgtable.h
index 6580f31b31352c414fa55f6e5ddadcf287a9e9e3..f923d811c421aaccf9f018c54b5cb6fb50a64236 100644 (file)
--- a/include/asm-ia64/pgtable.h
+++ b/include/asm-ia64/pgtable.h
@@ -297,8 +297,6 @@ ia64_phys_addr_valid (unsigned long addr)
 /*
  * The following have defined behavior only work if pte_present() is true.
  */
-#define pte_user(pte)          ((pte_val(pte) & _PAGE_PL_MASK) == _PAGE_PL_3)
-#define pte_read(pte)          (((pte_val(pte) & _PAGE_AR_MASK) >> _PAGE_AR_SHIFT) < 6)
 #define pte_write(pte) ((unsigned) (((pte_val(pte) & _PAGE_AR_MASK) >> _PAGE_AR_SHIFT) - 2) <= 4)
 #define pte_exec(pte)          ((pte_val(pte) & _PAGE_AR_RX) != 0)
 #define pte_dirty(pte)         ((pte_val(pte) & _PAGE_D) != 0)
@@ -310,7 +308,6 @@ ia64_phys_addr_valid (unsigned long addr)
  */
 #define pte_wrprotect(pte)     (__pte(pte_val(pte) & ~_PAGE_AR_RW))
 #define pte_mkwrite(pte)       (__pte(pte_val(pte) | _PAGE_AR_RW))
-#define pte_mkexec(pte)                (__pte(pte_val(pte) | _PAGE_AR_RX))
 #define pte_mkold(pte)         (__pte(pte_val(pte) & ~_PAGE_A))
 #define pte_mkyoung(pte)       (__pte(pte_val(pte) | _PAGE_A))
 #define pte_mkclean(pte)       (__pte(pte_val(pte) & ~_PAGE_D))

diff --git a/include/asm-m32r/pgtable.h b/include/asm-m32r/pgtable.h
index 6604303fc47cd281e54e5abee4d62c62e0022834..35af58c6b812c95d5ed580a55e23a13d80db72ca 100644 (file)
--- a/include/asm-m32r/pgtable.h
+++ b/include/asm-m32r/pgtable.h
@@ -191,16 +191,6 @@ extern unsigned long empty_zero_page[1024];
  * The following only work if pte_present() is true.
  * Undefined behaviour if not..
  */
-static inline int pte_read(pte_t pte)
-{
-       return pte_val(pte) & _PAGE_READ;
-}
-
-static inline int pte_exec(pte_t pte)
-{
-       return pte_val(pte) & _PAGE_EXEC;
-}
-
 static inline int pte_dirty(pte_t pte)
 {
        return pte_val(pte) & _PAGE_DIRTY;
@@ -224,18 +214,6 @@ static inline int pte_file(pte_t pte)
        return pte_val(pte) & _PAGE_FILE;
 }
 
-static inline pte_t pte_rdprotect(pte_t pte)
-{
-       pte_val(pte) &= ~_PAGE_READ;
-       return pte;
-}
-
-static inline pte_t pte_exprotect(pte_t pte)
-{
-       pte_val(pte) &= ~_PAGE_EXEC;
-       return pte;
-}
-
 static inline pte_t pte_mkclean(pte_t pte)
 {
        pte_val(pte) &= ~_PAGE_DIRTY;
@@ -254,18 +232,6 @@ static inline pte_t pte_wrprotect(pte_t pte)
        return pte;
 }
 
-static inline pte_t pte_mkread(pte_t pte)
-{
-       pte_val(pte) |= _PAGE_READ;
-       return pte;
-}
-
-static inline pte_t pte_mkexec(pte_t pte)
-{
-       pte_val(pte) |= _PAGE_EXEC;
-       return pte;
-}
-
 static inline pte_t pte_mkdirty(pte_t pte)
 {
        pte_val(pte) |= _PAGE_DIRTY;

diff --git a/include/asm-m68k/motorola_pgtable.h b/include/asm-m68k/motorola_pgtable.h
index b5b78c01eb6c900f427a2e46fbd77039198dfde3..d029b75bcf04b31af41bc79074b76736db4ccad2 100644 (file)
--- a/include/asm-m68k/motorola_pgtable.h
+++ b/include/asm-m68k/motorola_pgtable.h
@@ -164,21 +164,15 @@ static inline void pgd_set(pgd_t *pgdp, pmd_t *pmdp)
  * The following only work if pte_present() is true.
  * Undefined behaviour if not..
  */
-static inline int pte_read(pte_t pte)          { return 1; }
 static inline int pte_write(pte_t pte)         { return !(pte_val(pte) & _PAGE_RONLY); }
-static inline int pte_exec(pte_t pte)          { return 1; }
 static inline int pte_dirty(pte_t pte)         { return pte_val(pte) & _PAGE_DIRTY; }
 static inline int pte_young(pte_t pte)         { return pte_val(pte) & _PAGE_ACCESSED; }
 static inline int pte_file(pte_t pte)          { return pte_val(pte) & _PAGE_FILE; }
 
 static inline pte_t pte_wrprotect(pte_t pte)   { pte_val(pte) |= _PAGE_RONLY; return pte; }
-static inline pte_t pte_rdprotect(pte_t pte)   { return pte; }
-static inline pte_t pte_exprotect(pte_t pte)   { return pte; }
 static inline pte_t pte_mkclean(pte_t pte)     { pte_val(pte) &= ~_PAGE_DIRTY; return pte; }
 static inline pte_t pte_mkold(pte_t pte)       { pte_val(pte) &= ~_PAGE_ACCESSED; return pte; }
 static inline pte_t pte_mkwrite(pte_t pte)     { pte_val(pte) &= ~_PAGE_RONLY; return pte; }
-static inline pte_t pte_mkread(pte_t pte)      { return pte; }
-static inline pte_t pte_mkexec(pte_t pte)      { return pte; }
 static inline pte_t pte_mkdirty(pte_t pte)     { pte_val(pte) |= _PAGE_DIRTY; return pte; }
 static inline pte_t pte_mkyoung(pte_t pte)     { pte_val(pte) |= _PAGE_ACCESSED; return pte; }
 static inline pte_t pte_mknocache(pte_t pte)

diff --git a/include/asm-m68k/sun3_pgtable.h b/include/asm-m68k/sun3_pgtable.h
index b9e62c1e7ae3d91bdc0b804046524313b595cef1..b766fc261bdedc5ab67947c2264230d88ecbb119 100644 (file)
--- a/include/asm-m68k/sun3_pgtable.h
+++ b/include/asm-m68k/sun3_pgtable.h
@@ -165,21 +165,15 @@ static inline void pgd_clear (pgd_t *pgdp) {}
  * Undefined behaviour if not...
  * [we have the full set here even if they don't change from m68k]
  */
-static inline int pte_read(pte_t pte)          { return 1; }
 static inline int pte_write(pte_t pte)         { return pte_val(pte) & SUN3_PAGE_WRITEABLE; }
-static inline int pte_exec(pte_t pte)          { return 1; }
 static inline int pte_dirty(pte_t pte)         { return pte_val(pte) & SUN3_PAGE_MODIFIED; }
 static inline int pte_young(pte_t pte)         { return pte_val(pte) & SUN3_PAGE_ACCESSED; }
 static inline int pte_file(pte_t pte)          { return pte_val(pte) & SUN3_PAGE_ACCESSED; }
 
 static inline pte_t pte_wrprotect(pte_t pte)   { pte_val(pte) &= ~SUN3_PAGE_WRITEABLE; return pte; }
-static inline pte_t pte_rdprotect(pte_t pte)   { return pte; }
-static inline pte_t pte_exprotect(pte_t pte)   { return pte; }
 static inline pte_t pte_mkclean(pte_t pte)     { pte_val(pte) &= ~SUN3_PAGE_MODIFIED; return pte; }
 static inline pte_t pte_mkold(pte_t pte)       { pte_val(pte) &= ~SUN3_PAGE_ACCESSED; return pte; }
 static inline pte_t pte_mkwrite(pte_t pte)     { pte_val(pte) |= SUN3_PAGE_WRITEABLE; return pte; }
-static inline pte_t pte_mkread(pte_t pte)      { return pte; }
-static inline pte_t pte_mkexec(pte_t pte)      { return pte; }
 static inline pte_t pte_mkdirty(pte_t pte)     { pte_val(pte) |= SUN3_PAGE_MODIFIED; return pte; }
 static inline pte_t pte_mkyoung(pte_t pte)     { pte_val(pte) |= SUN3_PAGE_ACCESSED; return pte; }
 static inline pte_t pte_mknocache(pte_t pte)   { pte_val(pte) |= SUN3_PAGE_NOCACHE; return pte; }

diff --git a/include/asm-mips/pgtable.h b/include/asm-mips/pgtable.h
index 27d77d981937008b2e0de983e9f11867c8102c4d..2e2d70d13ff6b0e352d0664b06c8021a599527c4 100644 (file)
--- a/include/asm-mips/pgtable.h
+++ b/include/asm-mips/pgtable.h
@@ -178,9 +178,7 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
  * The following only work if pte_present() is true.
  * Undefined behaviour if not..
  */
-static inline int pte_user(pte_t pte)  { BUG(); return 0; }
 #if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32_R1)
-static inline int pte_read(pte_t pte)  { return pte.pte_low & _PAGE_READ; }
 static inline int pte_write(pte_t pte) { return pte.pte_low & _PAGE_WRITE; }
 static inline int pte_dirty(pte_t pte) { return pte.pte_low & _PAGE_MODIFIED; }
 static inline int pte_young(pte_t pte) { return pte.pte_low & _PAGE_ACCESSED; }
@@ -193,13 +191,6 @@ static inline pte_t pte_wrprotect(pte_t pte)
        return pte;
 }
 
-static inline pte_t pte_rdprotect(pte_t pte)
-{
-       pte.pte_low  &= ~(_PAGE_READ | _PAGE_SILENT_READ);
-       pte.pte_high &= ~_PAGE_SILENT_READ;
-       return pte;
-}
-
 static inline pte_t pte_mkclean(pte_t pte)
 {
        pte.pte_low  &= ~(_PAGE_MODIFIED | _PAGE_SILENT_WRITE);
@@ -224,16 +215,6 @@ static inline pte_t pte_mkwrite(pte_t pte)
        return pte;
 }
 
-static inline pte_t pte_mkread(pte_t pte)
-{
-       pte.pte_low |= _PAGE_READ;
-       if (pte.pte_low & _PAGE_ACCESSED) {
-               pte.pte_low  |= _PAGE_SILENT_READ;
-               pte.pte_high |= _PAGE_SILENT_READ;
-       }
-       return pte;
-}
-
 static inline pte_t pte_mkdirty(pte_t pte)
 {
        pte.pte_low |= _PAGE_MODIFIED;
@@ -253,7 +234,6 @@ static inline pte_t pte_mkyoung(pte_t pte)
        return pte;
 }
 #else
-static inline int pte_read(pte_t pte)  { return pte_val(pte) & _PAGE_READ; }
 static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_WRITE; }
 static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_MODIFIED; }
 static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; }
@@ -265,12 +245,6 @@ static inline pte_t pte_wrprotect(pte_t pte)
        return pte;
 }
 
-static inline pte_t pte_rdprotect(pte_t pte)
-{
-       pte_val(pte) &= ~(_PAGE_READ | _PAGE_SILENT_READ);
-       return pte;
-}
-
 static inline pte_t pte_mkclean(pte_t pte)
 {
        pte_val(pte) &= ~(_PAGE_MODIFIED|_PAGE_SILENT_WRITE);
@@ -291,14 +265,6 @@ static inline pte_t pte_mkwrite(pte_t pte)
        return pte;
 }
 
-static inline pte_t pte_mkread(pte_t pte)
-{
-       pte_val(pte) |= _PAGE_READ;
-       if (pte_val(pte) & _PAGE_ACCESSED)
-               pte_val(pte) |= _PAGE_SILENT_READ;
-       return pte;
-}
-
 static inline pte_t pte_mkdirty(pte_t pte)
 {
        pte_val(pte) |= _PAGE_MODIFIED;

diff --git a/include/asm-parisc/pgtable.h b/include/asm-parisc/pgtable.h
index beb2adb979d9d65afb7dd74f4a810b724bc9cc74..7e222c8ba739ffc90935216d5c183701ab5f3c85 100644 (file)
--- a/include/asm-parisc/pgtable.h
+++ b/include/asm-parisc/pgtable.h
@@ -335,18 +335,14 @@ extern inline void pgd_clear(pgd_t * pgdp)        { }
  * The following only work if pte_present() is true.
  * Undefined behaviour if not..
  */
-extern inline int pte_read(pte_t pte)          { return pte_val(pte) & _PAGE_READ; }
 extern inline int pte_dirty(pte_t pte)         { return pte_val(pte) & _PAGE_DIRTY; }
 extern inline int pte_young(pte_t pte)         { return pte_val(pte) & _PAGE_ACCESSED; }
 extern inline int pte_write(pte_t pte)         { return pte_val(pte) & _PAGE_WRITE; }
 extern inline int pte_file(pte_t pte)          { return pte_val(pte) & _PAGE_FILE; }
-extern inline int pte_user(pte_t pte)          { return pte_val(pte) & _PAGE_USER; }
 
-extern inline pte_t pte_rdprotect(pte_t pte)   { pte_val(pte) &= ~_PAGE_READ; return pte; }
 extern inline pte_t pte_mkclean(pte_t pte)     { pte_val(pte) &= ~_PAGE_DIRTY; return pte; }
 extern inline pte_t pte_mkold(pte_t pte)       { pte_val(pte) &= ~_PAGE_ACCESSED; return pte; }
 extern inline pte_t pte_wrprotect(pte_t pte)   { pte_val(pte) &= ~_PAGE_WRITE; return pte; }
-extern inline pte_t pte_mkread(pte_t pte)      { pte_val(pte) |= _PAGE_READ; return pte; }
 extern inline pte_t pte_mkdirty(pte_t pte)     { pte_val(pte) |= _PAGE_DIRTY; return pte; }
 extern inline pte_t pte_mkyoung(pte_t pte)     { pte_val(pte) |= _PAGE_ACCESSED; return pte; }
 extern inline pte_t pte_mkwrite(pte_t pte)     { pte_val(pte) |= _PAGE_WRITE; return pte; }

diff --git a/include/asm-powerpc/pgtable-ppc32.h b/include/asm-powerpc/pgtable-ppc32.h
index 7fb730c62f8332cb8cc19a37858f557a8833bf10..973c1c13bdc0aa171e4ed5b0baf08a2152c7c22c 100644 (file)
--- a/include/asm-powerpc/pgtable-ppc32.h
+++ b/include/asm-powerpc/pgtable-ppc32.h
@@ -512,9 +512,7 @@ extern unsigned long empty_zero_page[1024];
  * The following only work if pte_present() is true.
  * Undefined behaviour if not..
  */
-static inline int pte_read(pte_t pte)          { return pte_val(pte) & _PAGE_USER; }
 static inline int pte_write(pte_t pte)         { return pte_val(pte) & _PAGE_RW; }
-static inline int pte_exec(pte_t pte)          { return pte_val(pte) & _PAGE_EXEC; }
 static inline int pte_dirty(pte_t pte)         { return pte_val(pte) & _PAGE_DIRTY; }
 static inline int pte_young(pte_t pte)         { return pte_val(pte) & _PAGE_ACCESSED; }
 static inline int pte_file(pte_t pte)          { return pte_val(pte) & _PAGE_FILE; }
@@ -522,21 +520,13 @@ static inline int pte_file(pte_t pte)             { return pte_val(pte) & _PAGE_FILE; }
 static inline void pte_uncache(pte_t pte)       { pte_val(pte) |= _PAGE_NO_CACHE; }
 static inline void pte_cache(pte_t pte)         { pte_val(pte) &= ~_PAGE_NO_CACHE; }
 
-static inline pte_t pte_rdprotect(pte_t pte) {
-       pte_val(pte) &= ~_PAGE_USER; return pte; }
 static inline pte_t pte_wrprotect(pte_t pte) {
        pte_val(pte) &= ~(_PAGE_RW | _PAGE_HWWRITE); return pte; }
-static inline pte_t pte_exprotect(pte_t pte) {
-       pte_val(pte) &= ~_PAGE_EXEC; return pte; }
 static inline pte_t pte_mkclean(pte_t pte) {
        pte_val(pte) &= ~(_PAGE_DIRTY | _PAGE_HWWRITE); return pte; }
 static inline pte_t pte_mkold(pte_t pte) {
        pte_val(pte) &= ~_PAGE_ACCESSED; return pte; }
 
-static inline pte_t pte_mkread(pte_t pte) {
-       pte_val(pte) |= _PAGE_USER; return pte; }
-static inline pte_t pte_mkexec(pte_t pte) {
-       pte_val(pte) |= _PAGE_USER | _PAGE_EXEC; return pte; }
 static inline pte_t pte_mkwrite(pte_t pte) {
        pte_val(pte) |= _PAGE_RW; return pte; }
 static inline pte_t pte_mkdirty(pte_t pte) {

diff --git a/include/asm-powerpc/pgtable-ppc64.h b/include/asm-powerpc/pgtable-ppc64.h
index 3cfd98f44bfe82286b55b1ca5aa2af442e993c4c..0c879121c8fcaf3ae0bfe3f790bb9faeddb3d2d6 100644 (file)
--- a/include/asm-powerpc/pgtable-ppc64.h
+++ b/include/asm-powerpc/pgtable-ppc64.h
@@ -232,9 +232,7 @@ static inline pte_t pfn_pte(unsigned long pfn, pgprot_t pgprot)
  * The following only work if pte_present() is true.
  * Undefined behaviour if not..
  */
-static inline int pte_read(pte_t pte)  { return pte_val(pte) & _PAGE_USER;}
 static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_RW;}
-static inline int pte_exec(pte_t pte)  { return pte_val(pte) & _PAGE_EXEC;}
 static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY;}
 static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED;}
 static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE;}
@@ -242,20 +240,12 @@ static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE;}
 static inline void pte_uncache(pte_t pte) { pte_val(pte) |= _PAGE_NO_CACHE; }
 static inline void pte_cache(pte_t pte)   { pte_val(pte) &= ~_PAGE_NO_CACHE; }
 
-static inline pte_t pte_rdprotect(pte_t pte) {
-       pte_val(pte) &= ~_PAGE_USER; return pte; }
-static inline pte_t pte_exprotect(pte_t pte) {
-       pte_val(pte) &= ~_PAGE_EXEC; return pte; }
 static inline pte_t pte_wrprotect(pte_t pte) {
        pte_val(pte) &= ~(_PAGE_RW); return pte; }
 static inline pte_t pte_mkclean(pte_t pte) {
        pte_val(pte) &= ~(_PAGE_DIRTY); return pte; }
 static inline pte_t pte_mkold(pte_t pte) {
        pte_val(pte) &= ~_PAGE_ACCESSED; return pte; }
-static inline pte_t pte_mkread(pte_t pte) {
-       pte_val(pte) |= _PAGE_USER; return pte; }
-static inline pte_t pte_mkexec(pte_t pte) {
-       pte_val(pte) |= _PAGE_USER | _PAGE_EXEC; return pte; }
 static inline pte_t pte_mkwrite(pte_t pte) {
        pte_val(pte) |= _PAGE_RW; return pte; }
 static inline pte_t pte_mkdirty(pte_t pte) {

diff --git a/include/asm-ppc/pgtable.h b/include/asm-ppc/pgtable.h
index 9d0ce9ff584026df772125dff65d5e03c85395b4..18aa776313b9b21a3a7621b4ee816866667c484a 100644 (file)
--- a/include/asm-ppc/pgtable.h
+++ b/include/asm-ppc/pgtable.h
@@ -533,9 +533,7 @@ static inline int pgd_present(pgd_t pgd)    { return 1; }
  * The following only work if pte_present() is true.
  * Undefined behaviour if not..
  */
-static inline int pte_read(pte_t pte)          { return pte_val(pte) & _PAGE_USER; }
 static inline int pte_write(pte_t pte)         { return pte_val(pte) & _PAGE_RW; }
-static inline int pte_exec(pte_t pte)          { return pte_val(pte) & _PAGE_EXEC; }
 static inline int pte_dirty(pte_t pte)         { return pte_val(pte) & _PAGE_DIRTY; }
 static inline int pte_young(pte_t pte)         { return pte_val(pte) & _PAGE_ACCESSED; }
 static inline int pte_file(pte_t pte)          { return pte_val(pte) & _PAGE_FILE; }
@@ -543,21 +541,13 @@ static inline int pte_file(pte_t pte)             { return pte_val(pte) & _PAGE_FILE; }
 static inline void pte_uncache(pte_t pte)       { pte_val(pte) |= _PAGE_NO_CACHE; }
 static inline void pte_cache(pte_t pte)         { pte_val(pte) &= ~_PAGE_NO_CACHE; }
 
-static inline pte_t pte_rdprotect(pte_t pte) {
-       pte_val(pte) &= ~_PAGE_USER; return pte; }
 static inline pte_t pte_wrprotect(pte_t pte) {
        pte_val(pte) &= ~(_PAGE_RW | _PAGE_HWWRITE); return pte; }
-static inline pte_t pte_exprotect(pte_t pte) {
-       pte_val(pte) &= ~_PAGE_EXEC; return pte; }
 static inline pte_t pte_mkclean(pte_t pte) {
        pte_val(pte) &= ~(_PAGE_DIRTY | _PAGE_HWWRITE); return pte; }
 static inline pte_t pte_mkold(pte_t pte) {
        pte_val(pte) &= ~_PAGE_ACCESSED; return pte; }
 
-static inline pte_t pte_mkread(pte_t pte) {
-       pte_val(pte) |= _PAGE_USER; return pte; }
-static inline pte_t pte_mkexec(pte_t pte) {
-       pte_val(pte) |= _PAGE_USER | _PAGE_EXEC; return pte; }
 static inline pte_t pte_mkwrite(pte_t pte) {
        pte_val(pte) |= _PAGE_RW; return pte; }
 static inline pte_t pte_mkdirty(pte_t pte) {

diff --git a/include/asm-s390/pgtable.h b/include/asm-s390/pgtable.h
index 0a307bb2f35328d784f15c77fe27cd5f3e0814a9..26215a976127dff569d4016f51ca4da5c7f6bb2e 100644 (file)
--- a/include/asm-s390/pgtable.h
+++ b/include/asm-s390/pgtable.h
@@ -530,14 +530,6 @@ static inline int pte_young(pte_t pte)
        return 0;
 }
 
-static inline int pte_read(pte_t pte)
-{
-       /* All pages are readable since we don't use the fetch
-        * protection bit in the storage key.
-        */
-       return 1;
-}
-
 /*
  * pgd/pmd/pte modification functions
  */

diff --git a/include/asm-sh/pgtable.h b/include/asm-sh/pgtable.h
index 5b523c7e7d99d8b5441d1cd1f979f6faff3aec1a..22efffe450195c07c8e42afd825cdd3f6370b198 100644 (file)
--- a/include/asm-sh/pgtable.h
+++ b/include/asm-sh/pgtable.h
@@ -402,12 +402,8 @@ static inline void set_pte(pte_t *ptep, pte_t pte)
 #define pte_file(pte)          (pte_val(pte) & _PAGE_FILE)
 
 #ifdef CONFIG_X2TLB
-#define pte_read(pte)          ((pte).pte_high & _PAGE_EXT_USER_READ)
-#define pte_exec(pte)          ((pte).pte_high & _PAGE_EXT_USER_EXEC)
 #define pte_write(pte)         ((pte).pte_high & _PAGE_EXT_USER_WRITE)
 #else
-#define pte_read(pte)          (pte_val(pte) & _PAGE_USER)
-#define pte_exec(pte)          (pte_val(pte) & _PAGE_USER)
 #define pte_write(pte)         (pte_val(pte) & _PAGE_RW)
 #endif
 
@@ -420,20 +416,12 @@ static inline pte_t pte_##fn(pte_t pte) { pte.pte_##h op; return pte; }
  * individually toggled (and user permissions are entirely decoupled from
  * kernel permissions), we attempt to couple them a bit more sanely here.
  */
-PTE_BIT_FUNC(high, rdprotect, &= ~_PAGE_EXT_USER_READ);
-PTE_BIT_FUNC(high, mkread, |= _PAGE_EXT_USER_READ | _PAGE_EXT_KERN_READ);
 PTE_BIT_FUNC(high, wrprotect, &= ~_PAGE_EXT_USER_WRITE);
 PTE_BIT_FUNC(high, mkwrite, |= _PAGE_EXT_USER_WRITE | _PAGE_EXT_KERN_WRITE);
-PTE_BIT_FUNC(high, exprotect, &= ~_PAGE_EXT_USER_EXEC);
-PTE_BIT_FUNC(high, mkexec, |= _PAGE_EXT_USER_EXEC | _PAGE_EXT_KERN_EXEC);
 PTE_BIT_FUNC(high, mkhuge, |= _PAGE_SZHUGE);
 #else
-PTE_BIT_FUNC(low, rdprotect, &= ~_PAGE_USER);
-PTE_BIT_FUNC(low, mkread, |= _PAGE_USER);
 PTE_BIT_FUNC(low, wrprotect, &= ~_PAGE_RW);
 PTE_BIT_FUNC(low, mkwrite, |= _PAGE_RW);
-PTE_BIT_FUNC(low, exprotect, &= ~_PAGE_USER);
-PTE_BIT_FUNC(low, mkexec, |= _PAGE_USER);
 PTE_BIT_FUNC(low, mkhuge, |= _PAGE_SZHUGE);
 #endif
 

diff --git a/include/asm-sh64/pgtable.h b/include/asm-sh64/pgtable.h
index b875482eb592d8dc4ce87b1f1ba83279e8989594..3488fe32e436ba503316313d82496069e78b7d79 100644 (file)
--- a/include/asm-sh64/pgtable.h
+++ b/include/asm-sh64/pgtable.h
@@ -415,22 +415,15 @@ extern void __handle_bad_pmd_kernel(pmd_t * pmd);
 /*
  * The following have defined behavior only work if pte_present() is true.
  */
-static inline int pte_read(pte_t pte) { return pte_val(pte) & _PAGE_READ; }
-static inline int pte_exec(pte_t pte) { return pte_val(pte) & _PAGE_EXECUTE; }
 static inline int pte_dirty(pte_t pte){ return pte_val(pte) & _PAGE_DIRTY; }
 static inline int pte_young(pte_t pte){ return pte_val(pte) & _PAGE_ACCESSED; }
 static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE; }
 static inline int pte_write(pte_t pte){ return pte_val(pte) & _PAGE_WRITE; }
 
-static inline pte_t pte_rdprotect(pte_t pte)   { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_READ)); return pte; }
 static inline pte_t pte_wrprotect(pte_t pte)   { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_WRITE)); return pte; }
-static inline pte_t pte_exprotect(pte_t pte)   { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_EXECUTE)); return pte; }
 static inline pte_t pte_mkclean(pte_t pte)     { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_DIRTY)); return pte; }
 static inline pte_t pte_mkold(pte_t pte)       { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_ACCESSED)); return pte; }
-
-static inline pte_t pte_mkread(pte_t pte)      { set_pte(&pte, __pte(pte_val(pte) | _PAGE_READ)); return pte; }
 static inline pte_t pte_mkwrite(pte_t pte)     { set_pte(&pte, __pte(pte_val(pte) | _PAGE_WRITE)); return pte; }
-static inline pte_t pte_mkexec(pte_t pte)      { set_pte(&pte, __pte(pte_val(pte) | _PAGE_EXECUTE)); return pte; }
 static inline pte_t pte_mkdirty(pte_t pte)     { set_pte(&pte, __pte(pte_val(pte) | _PAGE_DIRTY)); return pte; }
 static inline pte_t pte_mkyoung(pte_t pte)     { set_pte(&pte, __pte(pte_val(pte) | _PAGE_ACCESSED)); return pte; }
 static inline pte_t pte_mkhuge(pte_t pte)      { set_pte(&pte, __pte(pte_val(pte) | _PAGE_SZHUGE)); return pte; }

diff --git a/include/asm-sparc/pgtable.h b/include/asm-sparc/pgtable.h
index 59229aeba27b9c51a15a39985c088719d8bb5811..a55f4c3488b071d19c757742e0b34a1c6ffad78f 100644 (file)
--- a/include/asm-sparc/pgtable.h
+++ b/include/asm-sparc/pgtable.h
@@ -151,7 +151,6 @@ BTFIXUPDEF_CALL_CONST(unsigned long, pgd_page_vaddr, pgd_t)
 BTFIXUPDEF_SETHI(none_mask)
 BTFIXUPDEF_CALL_CONST(int, pte_present, pte_t)
 BTFIXUPDEF_CALL(void, pte_clear, pte_t *)
-BTFIXUPDEF_CALL(int, pte_read, pte_t)
 
 static inline int pte_none(pte_t pte)
 {
@@ -160,7 +159,6 @@ static inline int pte_none(pte_t pte)
 
 #define pte_present(pte) BTFIXUP_CALL(pte_present)(pte)
 #define pte_clear(mm,addr,pte) BTFIXUP_CALL(pte_clear)(pte)
-#define pte_read(pte) BTFIXUP_CALL(pte_read)(pte)
 
 BTFIXUPDEF_CALL_CONST(int, pmd_bad, pmd_t)
 BTFIXUPDEF_CALL_CONST(int, pmd_present, pmd_t)

diff --git a/include/asm-sparc64/pgtable.h b/include/asm-sparc64/pgtable.h
index 9e80ad43b29ccc004cbf952497f5d91711e4ddf1..0393380d754a8a8782847c45f9fb6dafd98f91fe 100644 (file)
--- a/include/asm-sparc64/pgtable.h
+++ b/include/asm-sparc64/pgtable.h
@@ -573,24 +573,6 @@ static inline unsigned long pte_exec(pte_t pte)
        return (pte_val(pte) & mask);
 }
 
-static inline unsigned long pte_read(pte_t pte)
-{
-       unsigned long mask;
-
-       __asm__ __volatile__(
-       "\n661: mov             %1, %0\n"
-       "       nop\n"
-       "       .section        .sun4v_2insn_patch, \"ax\"\n"
-       "       .word           661b\n"
-       "       sethi           %%uhi(%2), %0\n"
-       "       sllx            %0, 32, %0\n"
-       "       .previous\n"
-       : "=r" (mask)
-       : "i" (_PAGE_READ_4U), "i" (_PAGE_READ_4V));
-
-       return (pte_val(pte) & mask);
-}
-
 static inline unsigned long pte_file(pte_t pte)
 {
        unsigned long val = pte_val(pte);

diff --git a/include/asm-um/pgtable.h b/include/asm-um/pgtable.h
index 1b1090a91a58f2954bfe5455edcc561e253cc83f..830fc6e5d49d0f41c87ab3e555ecea3a9fa3287f 100644 (file)
--- a/include/asm-um/pgtable.h
+++ b/include/asm-um/pgtable.h
@@ -175,12 +175,6 @@ static inline int pte_none(pte_t pte)
  * The following only work if pte_present() is true.
  * Undefined behaviour if not..
  */
-static inline int pte_user(pte_t pte)
-{
-       return((pte_get_bits(pte, _PAGE_USER)) &&
-              !(pte_get_bits(pte, _PAGE_PROTNONE)));
-}
-
 static inline int pte_read(pte_t pte)
 { 
        return((pte_get_bits(pte, _PAGE_USER)) &&
@@ -238,18 +232,6 @@ static inline pte_t pte_mknewprot(pte_t pte)
        return(pte);
 }
 
-static inline pte_t pte_rdprotect(pte_t pte)
-{ 
-       pte_clear_bits(pte, _PAGE_USER);
-       return(pte_mknewprot(pte));
-}
-
-static inline pte_t pte_exprotect(pte_t pte)
-{ 
-       pte_clear_bits(pte, _PAGE_USER);
-       return(pte_mknewprot(pte));
-}
-
 static inline pte_t pte_mkclean(pte_t pte)
 {
        pte_clear_bits(pte, _PAGE_DIRTY);

diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h
index 0a71e0b9a619c162235f50bdd358da0a4942ff78..4f169ac6b10ad06c39118eeee063e96ba289ff6c 100644 (file)
--- a/include/asm-x86_64/pgtable.h
+++ b/include/asm-x86_64/pgtable.h
@@ -266,21 +266,15 @@ static inline pte_t pfn_pte(unsigned long page_nr, pgprot_t pgprot)
  * Undefined behaviour if not..
  */
 #define __LARGE_PTE (_PAGE_PSE|_PAGE_PRESENT)
-static inline int pte_user(pte_t pte)          { return pte_val(pte) & _PAGE_USER; }
-static inline int pte_read(pte_t pte)          { return pte_val(pte) & _PAGE_USER; }
-static inline int pte_exec(pte_t pte)          { return !(pte_val(pte) & _PAGE_NX); }
 static inline int pte_dirty(pte_t pte)         { return pte_val(pte) & _PAGE_DIRTY; }
 static inline int pte_young(pte_t pte)         { return pte_val(pte) & _PAGE_ACCESSED; }
 static inline int pte_write(pte_t pte)         { return pte_val(pte) & _PAGE_RW; }
 static inline int pte_file(pte_t pte)          { return pte_val(pte) & _PAGE_FILE; }
 static inline int pte_huge(pte_t pte)          { return pte_val(pte) & _PAGE_PSE; }
 
-static inline pte_t pte_rdprotect(pte_t pte)   { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_USER)); return pte; }
-static inline pte_t pte_exprotect(pte_t pte)   { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_USER)); return pte; }
 static inline pte_t pte_mkclean(pte_t pte)     { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_DIRTY)); return pte; }
 static inline pte_t pte_mkold(pte_t pte)       { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_ACCESSED)); return pte; }
 static inline pte_t pte_wrprotect(pte_t pte)   { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_RW)); return pte; }
-static inline pte_t pte_mkread(pte_t pte)      { set_pte(&pte, __pte(pte_val(pte) | _PAGE_USER)); return pte; }
 static inline pte_t pte_mkexec(pte_t pte)      { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_NX)); return pte; }
 static inline pte_t pte_mkdirty(pte_t pte)     { set_pte(&pte, __pte(pte_val(pte) | _PAGE_DIRTY)); return pte; }
 static inline pte_t pte_mkyoung(pte_t pte)     { set_pte(&pte, __pte(pte_val(pte) | _PAGE_ACCESSED)); return pte; }

diff --git a/include/asm-xtensa/pgtable.h b/include/asm-xtensa/pgtable.h
index 2d4b5db6ea6340406c62e99be1bc1398daa5770d..e9fc512cc2473a3585d425713637807120ef5722 100644 (file)
--- a/include/asm-xtensa/pgtable.h
+++ b/include/asm-xtensa/pgtable.h
@@ -197,16 +197,13 @@ extern pgd_t swapper_pg_dir[PAGE_SIZE/sizeof(pgd_t)];
 
 /* Note: We use the _PAGE_USER bit to indicate write-protect kernel memory */
 
-static inline int pte_read(pte_t pte)  { return pte_val(pte) & _PAGE_USER; }
 static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_RW; }
 static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY; }
 static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; }
 static inline int pte_file(pte_t pte)  { return pte_val(pte) & _PAGE_FILE; }
 static inline pte_t pte_wrprotect(pte_t pte)   { pte_val(pte) &= ~(_PAGE_RW | _PAGE_WRENABLE); return pte; }
-static inline pte_t pte_rdprotect(pte_t pte)   { pte_val(pte) &= ~_PAGE_USER; return pte; }
 static inline pte_t pte_mkclean(pte_t pte)     { pte_val(pte) &= ~_PAGE_DIRTY; return pte; }
 static inline pte_t pte_mkold(pte_t pte)       { pte_val(pte) &= ~_PAGE_ACCESSED; return pte; }
-static inline pte_t pte_mkread(pte_t pte)      { pte_val(pte) |= _PAGE_USER; return pte; }
 static inline pte_t pte_mkdirty(pte_t pte)     { pte_val(pte) |= _PAGE_DIRTY; return pte; }
 static inline pte_t pte_mkyoung(pte_t pte)     { pte_val(pte) |= _PAGE_ACCESSED; return pte; }
 static inline pte_t pte_mkwrite(pte_t pte)     { pte_val(pte) |= _PAGE_RW; return pte; }