---

yaml --- r: 14710 b: refs/heads/master c: 5cd9194 h: refs/heads/master v: v3
git-mirror · Nov 28, 2005 · d61b4dd · d61b4dd
1 parent 77e63aa
commit d61b4dd
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Showing 4 changed files with 20 additions and 17 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6aab341e0a28aff100a09831c5300a2994b8b986
+refs/heads/master: 5cd9194a1b0b0fa219c31421ac64dfd38670ed49
diff --git a/trunk/arch/sparc/mm/generic.c b/trunk/arch/sparc/mm/generic.c
@@ -32,9 +32,7 @@ static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte, unsigne
 	if (end > PMD_SIZE)
 		end = PMD_SIZE;
 	do {
-		pte_t oldpage = *pte;
-		pte_clear(mm, address, pte);
-		set_pte(pte, mk_pte_io(offset, prot, space));
+		set_pte_at(mm, address, pte, mk_pte_io(offset, prot, space));
 		address += PAGE_SIZE;
 		offset += PAGE_SIZE;
 		pte++;
@@ -63,7 +61,7 @@ static inline int io_remap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned
 }
 
 int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
-			unsigned long pfn, unsigned long size, pgprot_t prot)
+		       unsigned long pfn, unsigned long size, pgprot_t prot)
 {
 	int error = 0;
 	pgd_t * dir;
@@ -74,7 +72,9 @@ int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
 	unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT;
 
 	/* See comment in mm/memory.c remap_pfn_range */
-	vma->vm_flags |= VM_IO | VM_RESERVED | VM_UNPAGED;
+	vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP;
+	vma->vm_pgoff = (offset >> PAGE_SHIFT) |
+		((unsigned long)space << 28UL);
 
 	prot = __pgprot(pg_iobits);
 	offset -= from;

diff --git a/trunk/arch/sparc64/mm/generic.c b/trunk/arch/sparc64/mm/generic.c
@@ -15,6 +15,15 @@
 #include <asm/page.h>
 #include <asm/tlbflush.h>
 
+static inline pte_t mk_pte_io(unsigned long page, pgprot_t prot, int space)
+{
+	pte_t pte;
+	pte_val(pte) = (((page) | pgprot_val(prot) | _PAGE_E) &
+			~(unsigned long)_PAGE_CACHE);
+	pte_val(pte) |= (((unsigned long)space) << 32);
+	return pte;
+}
+
 /* Remap IO memory, the same way as remap_pfn_range(), but use
  * the obio memory space.
  *
@@ -126,9 +135,13 @@ int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
 	struct mm_struct *mm = vma->vm_mm;
 	int space = GET_IOSPACE(pfn);
 	unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT;
+	unsigned long phys_base;
+
+	phys_base = offset | (((unsigned long) space) << 32UL);
 
 	/* See comment in mm/memory.c remap_pfn_range */
-	vma->vm_flags |= VM_IO | VM_RESERVED | VM_UNPAGED;
+	vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP;
+	vma->vm_pgoff = phys_base >> PAGE_SHIFT;
 
 	prot = __pgprot(pg_iobits);
 	offset -= from;

diff --git a/trunk/include/asm-sparc64/pgtable.h b/trunk/include/asm-sparc64/pgtable.h
@@ -348,16 +348,6 @@ extern unsigned long find_ecache_flush_span(unsigned long size);
 struct vm_area_struct;
 extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t);
 
-/* Make a non-present pseudo-TTE. */
-static inline pte_t mk_pte_io(unsigned long page, pgprot_t prot, int space)
-{
-	pte_t pte;
-	pte_val(pte) = (((page) | pgprot_val(prot) | _PAGE_E) &
-			~(unsigned long)_PAGE_CACHE);
-	pte_val(pte) |= (((unsigned long)space) << 32);
-	return pte;
-}
-
 /* Encode and de-code a swap entry */
 #define __swp_type(entry)	(((entry).val >> PAGE_SHIFT) & 0xffUL)
 #define __swp_offset(entry)	((entry).val >> (PAGE_SHIFT + 8UL))