---

yaml --- r: 182997 b: refs/heads/master c: 4b3073e h: refs/heads/master i: 182995: 31c83e0 v: v3
git-mirror · Feb 20, 2010 · da55553 · da55553
1 parent ba26d28
commit da55553
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Showing 41 changed files with 70 additions and 63 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ed42acaef1a9d51631a31b55e9ed52d400430492
+refs/heads/master: 4b3073e1c53a256275f1079c0fbfbe85883d9275
diff --git a/trunk/Documentation/cachetlb.txt b/trunk/Documentation/cachetlb.txt
@@ -88,12 +88,12 @@ changes occur:
 	This is used primarily during fault processing.
 
 5) void update_mmu_cache(struct vm_area_struct *vma,
-			 unsigned long address, pte_t pte)
+			 unsigned long address, pte_t *ptep)
 
 	At the end of every page fault, this routine is invoked to
 	tell the architecture specific code that a translation
-	described by "pte" now exists at virtual address "address"
-	for address space "vma->vm_mm", in the software page tables.
+	now exists at virtual address "address" for address space
+	"vma->vm_mm", in the software page tables.
 
 	A port may use this information in any way it so chooses.
 	For example, it could use this event to pre-load TLB

diff --git a/trunk/arch/alpha/include/asm/pgtable.h b/trunk/arch/alpha/include/asm/pgtable.h
@@ -329,7 +329,7 @@ extern pgd_t swapper_pg_dir[1024];
  * tables contain all the necessary information.
  */
 extern inline void update_mmu_cache(struct vm_area_struct * vma,
-	unsigned long address, pte_t pte)
+	unsigned long address, pte_t *ptep)
 {
 }
 

diff --git a/trunk/arch/arm/include/asm/tlbflush.h b/trunk/arch/arm/include/asm/tlbflush.h
@@ -529,7 +529,8 @@ extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
  * cache entries for the kernels virtual memory range are written
  * back to the page.
  */
-extern void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr, pte_t pte);
+extern void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr,
+	pte_t *ptep);
 
 #endif
 

diff --git a/trunk/arch/arm/mm/fault-armv.c b/trunk/arch/arm/mm/fault-armv.c
@@ -149,9 +149,10 @@ make_coherent(struct address_space *mapping, struct vm_area_struct *vma, unsigne
  *
  * Note that the pte lock will be held.
  */
-void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr, pte_t pte)
+void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr,
+	pte_t *ptep)
 {
-	unsigned long pfn = pte_pfn(pte);
+	unsigned long pfn = pte_pfn(*ptep);
 	struct address_space *mapping;
 	struct page *page;
 

diff --git a/trunk/arch/avr32/include/asm/pgtable.h b/trunk/arch/avr32/include/asm/pgtable.h
@@ -325,7 +325,7 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 
 struct vm_area_struct;
 extern void update_mmu_cache(struct vm_area_struct * vma,
-			     unsigned long address, pte_t pte);
+			     unsigned long address, pte_t *ptep);
 
 /*
  * Encode and decode a swap entry

diff --git a/trunk/arch/avr32/mm/tlb.c b/trunk/arch/avr32/mm/tlb.c
@@ -101,7 +101,7 @@ static void update_dtlb(unsigned long address, pte_t pte)
 }
 
 void update_mmu_cache(struct vm_area_struct *vma,
-		      unsigned long address, pte_t pte)
+		      unsigned long address, pte_t *ptep)
 {
 	unsigned long flags;
 
@@ -110,7 +110,7 @@ void update_mmu_cache(struct vm_area_struct *vma,
 		return;
 
 	local_irq_save(flags);
-	update_dtlb(address, pte);
+	update_dtlb(address, *ptep);
 	local_irq_restore(flags);
 }
 

diff --git a/trunk/arch/cris/include/asm/pgtable.h b/trunk/arch/cris/include/asm/pgtable.h
@@ -270,7 +270,7 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; /* defined in head.S */
  * Actually I am not sure on what this could be used for.
  */
 static inline void update_mmu_cache(struct vm_area_struct * vma,
-	unsigned long address, pte_t pte)
+	unsigned long address, pte_t *ptep)
 {
 }
 

diff --git a/trunk/arch/frv/include/asm/pgtable.h b/trunk/arch/frv/include/asm/pgtable.h
@@ -505,7 +505,7 @@ static inline int pte_file(pte_t pte)
 /*
  * preload information about a newly instantiated PTE into the SCR0/SCR1 PGE cache
  */
-static inline void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte)
+static inline void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep)
 {
 	struct mm_struct *mm;
 	unsigned long ampr;

diff --git a/trunk/arch/ia64/include/asm/pgtable.h b/trunk/arch/ia64/include/asm/pgtable.h
@@ -462,7 +462,7 @@ pte_same (pte_t a, pte_t b)
 	return pte_val(a) == pte_val(b);
 }
 
-#define update_mmu_cache(vma, address, pte) do { } while (0)
+#define update_mmu_cache(vma, address, ptep) do { } while (0)
 
 extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
 extern void paging_init (void);

diff --git a/trunk/arch/m32r/include/asm/tlbflush.h b/trunk/arch/m32r/include/asm/tlbflush.h
@@ -92,6 +92,6 @@ static __inline__ void __flush_tlb_all(void)
 	);
 }
 
-extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t);
+extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t *);
 
 #endif	/* _ASM_M32R_TLBFLUSH_H */
diff --git a/trunk/arch/m32r/mm/fault-nommu.c b/trunk/arch/m32r/mm/fault-nommu.c
@@ -95,7 +95,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code,
  * update_mmu_cache()
  *======================================================================*/
 void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr,
-	pte_t pte)
+	pte_t *ptep)
 {
 	BUG();
 }

diff --git a/trunk/arch/m32r/mm/fault.c b/trunk/arch/m32r/mm/fault.c
@@ -336,7 +336,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code,
 
 		addr = (address & PAGE_MASK);
 		set_thread_fault_code(error_code);
-		update_mmu_cache(NULL, addr, *pte_k);
+		update_mmu_cache(NULL, addr, pte_k);
 		set_thread_fault_code(0);
 		return;
 	}
@@ -349,7 +349,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code,
 #define ITLB_END	(unsigned long *)(ITLB_BASE + (NR_TLB_ENTRIES * 8))
 #define DTLB_END	(unsigned long *)(DTLB_BASE + (NR_TLB_ENTRIES * 8))
 void update_mmu_cache(struct vm_area_struct *vma, unsigned long vaddr,
-	pte_t pte)
+	pte_t *ptep)
 {
 	volatile unsigned long *entry1, *entry2;
 	unsigned long pte_data, flags;
@@ -365,7 +365,7 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long vaddr,
 
 	vaddr = (vaddr & PAGE_MASK) | get_asid();
 
-	pte_data = pte_val(pte);
+	pte_data = pte_val(*ptep);
 
 #ifdef CONFIG_CHIP_OPSP
 	entry1 = (unsigned long *)ITLB_BASE;

diff --git a/trunk/arch/m68k/include/asm/pgtable_mm.h b/trunk/arch/m68k/include/asm/pgtable_mm.h
@@ -115,7 +115,7 @@ extern void kernel_set_cachemode(void *addr, unsigned long size, int cmode);
  * they are updated on demand.
  */
 static inline void update_mmu_cache(struct vm_area_struct *vma,
-				    unsigned long address, pte_t pte)
+				    unsigned long address, pte_t *ptep)
 {
 }
 

diff --git a/trunk/arch/microblaze/include/asm/tlbflush.h b/trunk/arch/microblaze/include/asm/tlbflush.h
@@ -38,7 +38,7 @@ static inline void local_flush_tlb_range(struct vm_area_struct *vma,
 
 #define flush_tlb_kernel_range(start, end)	do { } while (0)
 
-#define update_mmu_cache(vma, addr, pte)	do { } while (0)
+#define update_mmu_cache(vma, addr, ptep)	do { } while (0)
 
 #define flush_tlb_all local_flush_tlb_all
 #define flush_tlb_mm local_flush_tlb_mm

diff --git a/trunk/arch/mips/include/asm/pgtable.h b/trunk/arch/mips/include/asm/pgtable.h
@@ -362,8 +362,9 @@ extern void __update_cache(struct vm_area_struct *vma, unsigned long address,
 	pte_t pte);
 
 static inline void update_mmu_cache(struct vm_area_struct *vma,
-	unsigned long address, pte_t pte)
+	unsigned long address, pte_t *ptep)
 {
+	pte_t pte = *ptep;
 	__update_tlb(vma, address, pte);
 	__update_cache(vma, address, pte);
 }

diff --git a/trunk/arch/mn10300/include/asm/pgtable.h b/trunk/arch/mn10300/include/asm/pgtable.h
@@ -466,7 +466,7 @@ static inline int set_kernel_exec(unsigned long vaddr, int enable)
  * the kernel page tables containing the necessary information by tlb-mn10300.S
  */
 extern void update_mmu_cache(struct vm_area_struct *vma,
-			     unsigned long address, pte_t pte);
+			     unsigned long address, pte_t *ptep);
 
 #endif /* !__ASSEMBLY__ */
 

diff --git a/trunk/arch/mn10300/mm/mmu-context.c b/trunk/arch/mn10300/mm/mmu-context.c
@@ -51,9 +51,10 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr)
 /*
  * preemptively set a TLB entry
  */
-void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr, pte_t pte)
+void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep)
 {
 	unsigned long pteu, ptel, cnx, flags;
+	pte_t pte = *ptep;
 
 	addr &= PAGE_MASK;
 	ptel = pte_val(pte) & ~(xPTEL_UNUSED1 | xPTEL_UNUSED2);

diff --git a/trunk/arch/parisc/include/asm/pgtable.h b/trunk/arch/parisc/include/asm/pgtable.h
@@ -410,7 +410,7 @@ extern void paging_init (void);
 
 #define PG_dcache_dirty         PG_arch_1
 
-extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t);
+extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t *);
 
 /* Encode and de-code a swap entry */
 

diff --git a/trunk/arch/parisc/kernel/cache.c b/trunk/arch/parisc/kernel/cache.c
@@ -68,9 +68,9 @@ flush_cache_all_local(void)
 EXPORT_SYMBOL(flush_cache_all_local);
 
 void
-update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte)
+update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep)
 {
-	struct page *page = pte_page(pte);
+	struct page *page = pte_page(*ptep);
 
 	if (pfn_valid(page_to_pfn(page)) && page_mapping(page) &&
 	    test_bit(PG_dcache_dirty, &page->flags)) {

diff --git a/trunk/arch/powerpc/include/asm/pgtable.h b/trunk/arch/powerpc/include/asm/pgtable.h
@@ -209,7 +209,7 @@ extern void paging_init(void);
  * corresponding HPTE into the hash table ahead of time, instead of
  * waiting for the inevitable extra hash-table miss exception.
  */
-extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t);
+extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t *);
 
 extern int gup_hugepd(hugepd_t *hugepd, unsigned pdshift, unsigned long addr,
 		      unsigned long end, int write, struct page **pages, int *nr);

diff --git a/trunk/arch/powerpc/mm/mem.c b/trunk/arch/powerpc/mm/mem.c
@@ -494,13 +494,13 @@ EXPORT_SYMBOL(flush_icache_user_range);
  * This must always be called with the pte lock held.
  */
 void update_mmu_cache(struct vm_area_struct *vma, unsigned long address,
-		      pte_t pte)
+		      pte_t *ptep)
 {
 #ifdef CONFIG_PPC_STD_MMU
 	unsigned long access = 0, trap;
 
 	/* We only want HPTEs for linux PTEs that have _PAGE_ACCESSED set */
-	if (!pte_young(pte) || address >= TASK_SIZE)
+	if (!pte_young(*ptep) || address >= TASK_SIZE)
 		return;
 
 	/* We try to figure out if we are coming from an instruction

diff --git a/trunk/arch/s390/include/asm/pgtable.h b/trunk/arch/s390/include/asm/pgtable.h
@@ -43,7 +43,7 @@ extern void vmem_map_init(void);
  * The S390 doesn't have any external MMU info: the kernel page
  * tables contain all the necessary information.
  */
-#define update_mmu_cache(vma, address, pte)     do { } while (0)
+#define update_mmu_cache(vma, address, ptep)     do { } while (0)
 
 /*
  * ZERO_PAGE is a global shared page that is always zero: used

diff --git a/trunk/arch/score/include/asm/pgtable.h b/trunk/arch/score/include/asm/pgtable.h
@@ -272,8 +272,9 @@ extern void __update_cache(struct vm_area_struct *vma,
 	unsigned long address,	pte_t pte);
 
 static inline void update_mmu_cache(struct vm_area_struct *vma,
-	unsigned long address, pte_t pte)
+	unsigned long address, pte_t *ptep)
 {
+	pte_t pte = *ptep;
 	__update_tlb(vma, address, pte);
 	__update_cache(vma, address, pte);
 }

diff --git a/trunk/arch/sh/include/asm/pgtable.h b/trunk/arch/sh/include/asm/pgtable.h
@@ -165,8 +165,9 @@ extern void __update_tlb(struct vm_area_struct *vma,
 			 unsigned long address, pte_t pte);
 
 static inline void
-update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte)
+update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep)
 {
+	pte_t pte = *ptep;
 	__update_cache(vma, address, pte);
 	__update_tlb(vma, address, pte);
 }

diff --git a/trunk/arch/sh/mm/fault_32.c b/trunk/arch/sh/mm/fault_32.c
@@ -371,7 +371,7 @@ handle_tlbmiss(struct pt_regs *regs, unsigned long writeaccess,
 		local_flush_tlb_one(get_asid(), address & PAGE_MASK);
 #endif
 
-	update_mmu_cache(NULL, address, entry);
+	update_mmu_cache(NULL, address, pte);
 
 	return 0;
 }
diff --git a/trunk/arch/sparc/include/asm/pgtable_32.h b/trunk/arch/sparc/include/asm/pgtable_32.h
@@ -330,9 +330,9 @@ BTFIXUPDEF_CALL(void, mmu_info, struct seq_file *)
 #define FAULT_CODE_WRITE    0x2
 #define FAULT_CODE_USER     0x4
 
-BTFIXUPDEF_CALL(void, update_mmu_cache, struct vm_area_struct *, unsigned long, pte_t)
+BTFIXUPDEF_CALL(void, update_mmu_cache, struct vm_area_struct *, unsigned long, pte_t *)
 
-#define update_mmu_cache(vma,addr,pte) BTFIXUP_CALL(update_mmu_cache)(vma,addr,pte)
+#define update_mmu_cache(vma,addr,ptep) BTFIXUP_CALL(update_mmu_cache)(vma,addr,ptep)
 
 BTFIXUPDEF_CALL(void, sparc_mapiorange, unsigned int, unsigned long,
     unsigned long, unsigned int)

diff --git a/trunk/arch/sparc/include/asm/pgtable_64.h b/trunk/arch/sparc/include/asm/pgtable_64.h
@@ -706,7 +706,7 @@ extern unsigned long find_ecache_flush_span(unsigned long size);
 #define mmu_unlockarea(vaddr, len)		do { } while(0)
 
 struct vm_area_struct;
-extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t);
+extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t *);
 
 /* Encode and de-code a swap entry */
 #define __swp_type(entry)	(((entry).val >> PAGE_SHIFT) & 0xffUL)

diff --git a/trunk/arch/sparc/mm/fault_32.c b/trunk/arch/sparc/mm/fault_32.c
@@ -370,7 +370,7 @@ asmlinkage void do_sun4c_fault(struct pt_regs *regs, int text_fault, int write,
 			       unsigned long address)
 {
 	extern void sun4c_update_mmu_cache(struct vm_area_struct *,
-					   unsigned long,pte_t);
+					   unsigned long,pte_t *);
 	extern pte_t *sun4c_pte_offset_kernel(pmd_t *,unsigned long);
 	struct task_struct *tsk = current;
 	struct mm_struct *mm = tsk->mm;
@@ -447,7 +447,7 @@ asmlinkage void do_sun4c_fault(struct pt_regs *regs, int text_fault, int write,
 		 *       on the CPU and doing a shrink_mmap() on this vma.
 		 */
 		sun4c_update_mmu_cache (find_vma(current->mm, address), address,
-					*ptep);
+					ptep);
 	else
 		do_sparc_fault(regs, text_fault, write, address);
 }

diff --git a/trunk/arch/sparc/mm/init_64.c b/trunk/arch/sparc/mm/init_64.c
@@ -289,12 +289,13 @@ static void flush_dcache(unsigned long pfn)
 	}
 }
 
-void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte)
+void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep)
 {
 	struct mm_struct *mm;
 	struct tsb *tsb;
 	unsigned long tag, flags;
 	unsigned long tsb_index, tsb_hash_shift;
+	pte_t pte = *ptep;
 
 	if (tlb_type != hypervisor) {
 		unsigned long pfn = pte_pfn(pte);

diff --git a/trunk/arch/sparc/mm/nosun4c.c b/trunk/arch/sparc/mm/nosun4c.c
@@ -62,7 +62,7 @@ pte_t *sun4c_pte_offset_kernel(pmd_t *dir, unsigned long address)
 	return NULL;
 }
 
-void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte)
+void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep)
 {
 }
 

diff --git a/trunk/arch/sparc/mm/srmmu.c b/trunk/arch/sparc/mm/srmmu.c
@@ -694,7 +694,7 @@ extern void tsunami_setup_blockops(void);
  * The following code is a deadwood that may be necessary when
  * we start to make precise page flushes again. --zaitcev
  */
-static void swift_update_mmu_cache(struct vm_area_struct * vma, unsigned long address, pte_t pte)
+static void swift_update_mmu_cache(struct vm_area_struct * vma, unsigned long address, pte_t *ptep)
 {
 #if 0
 	static unsigned long last;
@@ -703,10 +703,10 @@ static void swift_update_mmu_cache(struct vm_area_struct * vma, unsigned long ad
 
 	if (address == last) {
 		val = srmmu_hwprobe(address);
-		if (val != 0 && pte_val(pte) != val) {
+		if (val != 0 && pte_val(*ptep) != val) {
 			printk("swift_update_mmu_cache: "
 			    "addr %lx put %08x probed %08x from %p\n",
-			    address, pte_val(pte), val,
+			    address, pte_val(*ptep), val,
 			    __builtin_return_address(0));
 			srmmu_flush_whole_tlb();
 		}

diff --git a/trunk/arch/sparc/mm/sun4c.c b/trunk/arch/sparc/mm/sun4c.c
@@ -1887,7 +1887,7 @@ static void sun4c_check_pgt_cache(int low, int high)
 /* An experiment, turn off by default for now... -DaveM */
 #define SUN4C_PRELOAD_PSEG
 
-void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte)
+void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep)
 {
 	unsigned long flags;
 	int pseg;
@@ -1929,7 +1929,7 @@ void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, p
 			start += PAGE_SIZE;
 		}
 #ifndef SUN4C_PRELOAD_PSEG
-		sun4c_put_pte(address, pte_val(pte));
+		sun4c_put_pte(address, pte_val(*ptep));
 #endif
 		local_irq_restore(flags);
 		return;
@@ -1940,7 +1940,7 @@ void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, p
 		add_lru(entry);
 	}
 
-	sun4c_put_pte(address, pte_val(pte));
+	sun4c_put_pte(address, pte_val(*ptep));
 	local_irq_restore(flags);
 }
-Original file line number
+Diff line change
@@ Expand Up @@
     	return NULL;
     }
-    void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte)
+    void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep)
     {
     }
@@ Expand Down @@