[ARM] 4644/2: fix flush_kern_tlb_range() in module space

[linux-2.6-omap-h63xx.git] / include / asm-arm / pgtable.h

diff --git a/include/asm-arm/pgtable.h b/include/asm-arm/pgtable.h
index b8cf2d5ec3041c7e3c5ff32a46078bca6b10e4aa..5e0182485d8c0978872cceff729145291a328596 100644 (file)
--- a/include/asm-arm/pgtable.h
+++ b/include/asm-arm/pgtable.h
@@ -83,14 +83,14 @@
  * means that a write to a clean page will cause a permission fault, and
  * the Linux MM layer will mark the page dirty via handle_pte_fault().
  * For the hardware to notice the permission change, the TLB entry must
- * be flushed, and ptep_establish() does that for us.
+ * be flushed, and ptep_set_access_flags() does that for us.
  *
  * The "accessed" or "young" bit is emulated by a similar method; we only
  * allow accesses to the page if the "young" bit is set.  Accesses to the
  * page will cause a fault, and handle_pte_fault() will set the young bit
  * for us as long as the page is marked present in the corresponding Linux
- * PTE entry.  Again, ptep_establish() will ensure that the TLB is up to
- * date.
+ * PTE entry.  Again, ptep_set_access_flags() will ensure that the TLB is
+ * up to date.
  *
  * However, when the "young" bit is cleared, we deny access to the page
  * by clearing the hardware PTE.  Currently Linux does not flush the TLB
@@ -175,19 +175,29 @@ extern void __pgd_error(const char *file, int line, unsigned long val);
 #ifndef __ASSEMBLY__
 
 /*
- * The following macros handle the cache and bufferable bits...
+ * The pgprot_* and protection_map entries will be fixed up in runtime
+ * to include the cachable and bufferable bits based on memory policy,
+ * as well as any architecture dependent bits like global/ASID and SMP
+ * shared mapping bits.
  */
 #define _L_PTE_DEFAULT L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_CACHEABLE | L_PTE_BUFFERABLE
 #define _L_PTE_READ    L_PTE_USER | L_PTE_EXEC
 
+extern pgprot_t                pgprot_user;
 extern pgprot_t                pgprot_kernel;
 
-#define PAGE_NONE       __pgprot(_L_PTE_DEFAULT)
-#define PAGE_COPY       __pgprot(_L_PTE_DEFAULT | _L_PTE_READ)
-#define PAGE_SHARED     __pgprot(_L_PTE_DEFAULT | _L_PTE_READ | L_PTE_WRITE)
-#define PAGE_READONLY   __pgprot(_L_PTE_DEFAULT | _L_PTE_READ)
+#define PAGE_NONE      pgprot_user
+#define PAGE_COPY      __pgprot(pgprot_val(pgprot_user) | _L_PTE_READ)
+#define PAGE_SHARED    __pgprot(pgprot_val(pgprot_user) | _L_PTE_READ | \
+                                L_PTE_WRITE)
+#define PAGE_READONLY  __pgprot(pgprot_val(pgprot_user) | _L_PTE_READ)
 #define PAGE_KERNEL    pgprot_kernel
 
+#define __PAGE_NONE    __pgprot(_L_PTE_DEFAULT)
+#define __PAGE_COPY    __pgprot(_L_PTE_DEFAULT | _L_PTE_READ)
+#define __PAGE_SHARED  __pgprot(_L_PTE_DEFAULT | _L_PTE_READ | L_PTE_WRITE)
+#define __PAGE_READONLY        __pgprot(_L_PTE_DEFAULT | _L_PTE_READ)
+
 #endif /* __ASSEMBLY__ */
 
 /*
@@ -198,23 +208,23 @@ extern pgprot_t           pgprot_kernel;
  *  2) If we could do execute protection, then read is implied
  *  3) write implies read permissions
  */
-#define __P000  PAGE_NONE
-#define __P001  PAGE_READONLY
-#define __P010  PAGE_COPY
-#define __P011  PAGE_COPY
-#define __P100  PAGE_READONLY
-#define __P101  PAGE_READONLY
-#define __P110  PAGE_COPY
-#define __P111  PAGE_COPY
-
-#define __S000  PAGE_NONE
-#define __S001  PAGE_READONLY
-#define __S010  PAGE_SHARED
-#define __S011  PAGE_SHARED
-#define __S100  PAGE_READONLY
-#define __S101  PAGE_READONLY
-#define __S110  PAGE_SHARED
-#define __S111  PAGE_SHARED
+#define __P000  __PAGE_NONE
+#define __P001  __PAGE_READONLY
+#define __P010  __PAGE_COPY
+#define __P011  __PAGE_COPY
+#define __P100  __PAGE_READONLY
+#define __P101  __PAGE_READONLY
+#define __P110  __PAGE_COPY
+#define __P111  __PAGE_COPY
+
+#define __S000  __PAGE_NONE
+#define __S001  __PAGE_READONLY
+#define __S010  __PAGE_SHARED
+#define __S011  __PAGE_SHARED
+#define __S100  __PAGE_READONLY
+#define __S101  __PAGE_READONLY
+#define __S110  __PAGE_SHARED
+#define __S111  __PAGE_SHARED
 
 #ifndef __ASSEMBLY__
 /*
@@ -239,7 +249,7 @@ extern struct page *empty_zero_page;
 #define set_pte_ext(ptep,pte,ext) cpu_set_pte_ext(ptep,pte,ext)
 
 #define set_pte_at(mm,addr,ptep,pteval) do { \
-       set_pte_ext(ptep, pteval, (addr) >= PAGE_OFFSET ? 0 : PTE_EXT_NG); \
+       set_pte_ext(ptep, pteval, (addr) >= TASK_SIZE ? 0 : PTE_EXT_NG); \
  } while (0)
 
 /*
@@ -247,9 +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)
 
@@ -265,12 +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);
@@ -385,10 +389,6 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
 #define io_remap_pfn_range(vma,from,pfn,size,prot) \
                remap_pfn_range(vma, from, pfn, size, prot)
 
-#define MK_IOSPACE_PFN(space, pfn)     (pfn)
-#define GET_IOSPACE(pfn)               0
-#define GET_PFN(pfn)                   (pfn)
-
 #define pgtable_cache_init() do { } while (0)
 
 #endif /* !__ASSEMBLY__ */