Merge git://git.linux-nfs.org/pub/linux/nfs-2.6

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

diff --git a/include/asm-sparc/pgtable.h b/include/asm-sparc/pgtable.h
index ae883f295f1f0bb735df9a7cd3a2430a45a9bb0d..2cc235b74d94932de828fae558a48eb17294575d 100644 (file)
--- a/include/asm-sparc/pgtable.h
+++ b/include/asm-sparc/pgtable.h
@@ -11,7 +11,6 @@
 
 #include <asm-generic/4level-fixup.h>
 
-#include <linux/config.h>
 #include <linux/spinlock.h>
 #include <linux/swap.h>
 #include <asm/types.h>
@@ -47,7 +46,6 @@ BTFIXUPDEF_SIMM13(user_ptrs_per_pgd)
 #define pgd_ERROR(e)   __builtin_trap()
 
 BTFIXUPDEF_INT(page_none)
-BTFIXUPDEF_INT(page_shared)
 BTFIXUPDEF_INT(page_copy)
 BTFIXUPDEF_INT(page_readonly)
 BTFIXUPDEF_INT(page_kernel)
@@ -67,7 +65,7 @@ BTFIXUPDEF_INT(page_kernel)
 #define PTE_SIZE               (PTRS_PER_PTE*4)
 
 #define PAGE_NONE      __pgprot(BTFIXUP_INT(page_none))
-#define PAGE_SHARED    __pgprot(BTFIXUP_INT(page_shared))
+extern pgprot_t PAGE_SHARED;
 #define PAGE_COPY      __pgprot(BTFIXUP_INT(page_copy))
 #define PAGE_READONLY  __pgprot(BTFIXUP_INT(page_readonly))
 
@@ -144,15 +142,14 @@ extern unsigned long empty_zero_page;
 /*
  */
 BTFIXUPDEF_CALL_CONST(struct page *, pmd_page, pmd_t)
-BTFIXUPDEF_CALL_CONST(unsigned long, pgd_page, pgd_t)
+BTFIXUPDEF_CALL_CONST(unsigned long, pgd_page_vaddr, pgd_t)
 
 #define pmd_page(pmd) BTFIXUP_CALL(pmd_page)(pmd)
-#define pgd_page(pgd) BTFIXUP_CALL(pgd_page)(pgd)
+#define pgd_page_vaddr(pgd) BTFIXUP_CALL(pgd_page_vaddr)(pgd)
 
 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)
 {
@@ -161,7 +158,6 @@ 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)
@@ -194,19 +190,19 @@ BTFIXUPDEF_HALF(pte_writei)
 BTFIXUPDEF_HALF(pte_dirtyi)
 BTFIXUPDEF_HALF(pte_youngi)
 
-extern int pte_write(pte_t pte) __attribute_const__;
+static int pte_write(pte_t pte) __attribute_const__;
 static inline int pte_write(pte_t pte)
 {
        return pte_val(pte) & BTFIXUP_HALF(pte_writei);
 }
 
-extern int pte_dirty(pte_t pte) __attribute_const__;
+static int pte_dirty(pte_t pte) __attribute_const__;
 static inline int pte_dirty(pte_t pte)
 {
        return pte_val(pte) & BTFIXUP_HALF(pte_dirtyi);
 }
 
-extern int pte_young(pte_t pte) __attribute_const__;
+static int pte_young(pte_t pte) __attribute_const__;
 static inline int pte_young(pte_t pte)
 {
        return pte_val(pte) & BTFIXUP_HALF(pte_youngi);
@@ -217,7 +213,7 @@ static inline int pte_young(pte_t pte)
  */
 BTFIXUPDEF_HALF(pte_filei)
 
-extern int pte_file(pte_t pte) __attribute_const__;
+static int pte_file(pte_t pte) __attribute_const__;
 static inline int pte_file(pte_t pte)
 {
        return pte_val(pte) & BTFIXUP_HALF(pte_filei);
@@ -229,19 +225,19 @@ BTFIXUPDEF_HALF(pte_wrprotecti)
 BTFIXUPDEF_HALF(pte_mkcleani)
 BTFIXUPDEF_HALF(pte_mkoldi)
 
-extern pte_t pte_wrprotect(pte_t pte) __attribute_const__;
+static pte_t pte_wrprotect(pte_t pte) __attribute_const__;
 static inline pte_t pte_wrprotect(pte_t pte)
 {
        return __pte(pte_val(pte) & ~BTFIXUP_HALF(pte_wrprotecti));
 }
 
-extern pte_t pte_mkclean(pte_t pte) __attribute_const__;
+static pte_t pte_mkclean(pte_t pte) __attribute_const__;
 static inline pte_t pte_mkclean(pte_t pte)
 {
        return __pte(pte_val(pte) & ~BTFIXUP_HALF(pte_mkcleani));
 }
 
-extern pte_t pte_mkold(pte_t pte) __attribute_const__;
+static pte_t pte_mkold(pte_t pte) __attribute_const__;
 static inline pte_t pte_mkold(pte_t pte)
 {
        return __pte(pte_val(pte) & ~BTFIXUP_HALF(pte_mkoldi));
@@ -255,8 +251,6 @@ BTFIXUPDEF_CALL_CONST(pte_t, pte_mkyoung, pte_t)
 #define pte_mkdirty(pte) BTFIXUP_CALL(pte_mkdirty)(pte)
 #define pte_mkyoung(pte) BTFIXUP_CALL(pte_mkyoung)(pte)
 
-#define page_pte_prot(page, prot)      mk_pte(page, prot)
-#define page_pte(page)                 mk_pte(page, __pgprot(0))
 #define pfn_pte(pfn, prot)             mk_pte(pfn_to_page(pfn), prot)
 
 BTFIXUPDEF_CALL(unsigned long,  pte_pfn, pte_t)
@@ -271,14 +265,17 @@ BTFIXUPDEF_CALL_CONST(pte_t, mk_pte, struct page *, pgprot_t)
 
 BTFIXUPDEF_CALL_CONST(pte_t, mk_pte_phys, unsigned long, pgprot_t)
 BTFIXUPDEF_CALL_CONST(pte_t, mk_pte_io, unsigned long, pgprot_t, int)
+BTFIXUPDEF_CALL_CONST(pgprot_t, pgprot_noncached, pgprot_t)
 
 #define mk_pte(page,pgprot) BTFIXUP_CALL(mk_pte)(page,pgprot)
 #define mk_pte_phys(page,pgprot) BTFIXUP_CALL(mk_pte_phys)(page,pgprot)
 #define mk_pte_io(page,pgprot,space) BTFIXUP_CALL(mk_pte_io)(page,pgprot,space)
 
+#define pgprot_noncached(pgprot) BTFIXUP_CALL(pgprot_noncached)(pgprot)
+
 BTFIXUPDEF_INT(pte_modify_mask)
 
-extern pte_t pte_modify(pte_t pte, pgprot_t newprot) __attribute_const__;
+static pte_t pte_modify(pte_t pte, pgprot_t newprot) __attribute_const__;
 static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 {
        return __pte((pte_val(pte) & BTFIXUP_INT(pte_modify_mask)) |
@@ -311,9 +308,6 @@ BTFIXUPDEF_CALL(pte_t *, pte_offset_kernel, pmd_t *, unsigned long)
 #define pte_unmap(pte)         do{}while(0)
 #define pte_unmap_nested(pte)  do{}while(0)
 
-/* The permissions for pgprot_val to make a page mapped on the obio space */
-extern unsigned int pg_iobits;
-
 /* Certain architectures need to do special things when pte's
  * within a page table are directly modified.  Thus, the following
  * hook is made available.
@@ -449,6 +443,17 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma,
 #define GET_IOSPACE(pfn)               (pfn >> (BITS_PER_LONG - 4))
 #define GET_PFN(pfn)                   (pfn & 0x0fffffffUL)
 
+#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
+#define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty) \
+({                                                                       \
+       int __changed = !pte_same(*(__ptep), __entry);                    \
+       if (__changed) {                                                  \
+               set_pte_at((__vma)->vm_mm, (__address), __ptep, __entry); \
+               flush_tlb_page(__vma, __address);                         \
+       }                                                                 \
+       (sparc_cpu_model == sun4c) || __changed;                          \
+})
+
 #include <asm-generic/pgtable.h>
 
 #endif /* !(__ASSEMBLY__) */