Pull dock-bay into release branch

[linux-2.6] / include / asm-sh / pgtable.h

diff --git a/include/asm-sh/pgtable.h b/include/asm-sh/pgtable.h
index 9214c015fe14a52e7c318f8ac79c78fcdd659286..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
 
@@ -568,10 +556,6 @@ typedef pte_t *pte_addr_t;
 #define io_remap_pfn_range(vma, vaddr, pfn, size, prot)                \
                remap_pfn_range(vma, vaddr, pfn, size, prot)
 
-#define MK_IOSPACE_PFN(space, pfn)     (pfn)
-#define GET_IOSPACE(pfn)               0
-#define GET_PFN(pfn)                   (pfn)
-
 struct mm_struct;
 
 /*
@@ -583,6 +567,11 @@ struct mm_struct;
 extern unsigned int kobjsize(const void *objp);
 #endif /* !CONFIG_MMU */
 
+#if defined(CONFIG_CPU_SH4) || defined(CONFIG_SH7705_CACHE_32KB)
+#define __HAVE_ARCH_PTEP_GET_AND_CLEAR
+extern pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
+#endif
+
 extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
 extern void paging_init(void);