---

yaml --- r: 99956 b: refs/heads/master c: 0814e0b h: refs/heads/master v: v3
git-mirror · Jul 8, 2008 · bed0d59 · bed0d59
1 parent 658d16d
commit bed0d59
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Showing 3 changed files with 24 additions and 12 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4f30cb0262847392d8d006042f24bd90abd24f9d
+refs/heads/master: 0814e0bace537b7024b09187346b99401e6281be
diff --git a/trunk/arch/x86/mm/init_64.c b/trunk/arch/x86/mm/init_64.c
@@ -144,22 +144,13 @@ static __init void *spp_getpage(void)
 }
 
 void
-set_pte_vaddr(unsigned long vaddr, pte_t new_pte)
+set_pte_vaddr_pud(pud_t *pud_page, unsigned long vaddr, pte_t new_pte)
 {
-	pgd_t *pgd;
 	pud_t *pud;
 	pmd_t *pmd;
 	pte_t *pte;
 
-	pr_debug("set_pte_vaddr %lx to %lx\n", vaddr, native_pte_val(new_pte));
-
-	pgd = pgd_offset_k(vaddr);
-	if (pgd_none(*pgd)) {
-		printk(KERN_ERR
-			"PGD FIXMAP MISSING, it should be setup in head.S!\n");
-		return;
-	}
-	pud = pud_offset(pgd, vaddr);
+	pud = pud_page + pud_index(vaddr);
 	if (pud_none(*pud)) {
 		pmd = (pmd_t *) spp_getpage();
 		pud_populate(&init_mm, pud, pmd);
@@ -192,6 +183,24 @@ set_pte_vaddr(unsigned long vaddr, pte_t new_pte)
 	__flush_tlb_one(vaddr);
 }
 
+void
+set_pte_vaddr(unsigned long vaddr, pte_t pteval)
+{
+	pgd_t *pgd;
+	pud_t *pud_page;
+
+	pr_debug("set_pte_vaddr %lx to %lx\n", vaddr, native_pte_val(pteval));
+
+	pgd = pgd_offset_k(vaddr);
+	if (pgd_none(*pgd)) {
+		printk(KERN_ERR
+			"PGD FIXMAP MISSING, it should be setup in head.S!\n");
+		return;
+	}
+	pud_page = (pud_t*)pgd_page_vaddr(*pgd);
+	set_pte_vaddr_pud(pud_page, vaddr, pteval);
+}
+
 /*
  * The head.S code sets up the kernel high mapping:
  *

diff --git a/trunk/include/asm-x86/pgtable_64.h b/trunk/include/asm-x86/pgtable_64.h
@@ -70,6 +70,9 @@ extern void paging_init(void);
 
 struct mm_struct;
 
+void set_pte_vaddr_pud(pud_t *pud_page, unsigned long vaddr, pte_t new_pte);
+
+
 static inline void native_pte_clear(struct mm_struct *mm, unsigned long addr,
 				    pte_t *ptep)
 {