x86/paravirt: Remove paravirt ops pmd_update[_defer] and pte_update_defer

[cascardo/linux.git] / arch / x86 / include / asm / pgtable.h

diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index c0b41f1..e99cbe8 100644 (file)
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -69,9 +69,6 @@ extern struct mm_struct *pgd_page_get_mm(struct page *page);
 #define pmd_clear(pmd)                 native_pmd_clear(pmd)
 
 #define pte_update(mm, addr, ptep)              do { } while (0)
-#define pte_update_defer(mm, addr, ptep)        do { } while (0)
-#define pmd_update(mm, addr, ptep)              do { } while (0)
-#define pmd_update_defer(mm, addr, ptep)        do { } while (0)
 
 #define pgd_val(x)     native_pgd_val(x)
 #define __pgd(x)       native_make_pgd(x)
@@ -721,14 +718,9 @@ static inline void native_set_pmd_at(struct mm_struct *mm, unsigned long addr,
  * updates should either be sets, clears, or set_pte_atomic for P->P
  * transitions, which means this hook should only be called for user PTEs.
  * This hook implies a P->P protection or access change has taken place, which
- * requires a subsequent TLB flush.  The notification can optionally be delayed
- * until the TLB flush event by using the pte_update_defer form of the
- * interface, but care must be taken to assure that the flush happens while
- * still holding the same page table lock so that the shadow and primary pages
- * do not become out of sync on SMP.
+ * requires a subsequent TLB flush.
  */
 #define pte_update(mm, addr, ptep)             do { } while (0)
-#define pte_update_defer(mm, addr, ptep)       do { } while (0)
 #endif
 
 /*
@@ -820,9 +812,7 @@ static inline int pmd_write(pmd_t pmd)
 static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, unsigned long addr,
                                       pmd_t *pmdp)
 {
-       pmd_t pmd = native_pmdp_get_and_clear(pmdp);
-       pmd_update(mm, addr, pmdp);
-       return pmd;
+       return native_pmdp_get_and_clear(pmdp);
 }
 
 #define __HAVE_ARCH_PMDP_SET_WRPROTECT
@@ -830,7 +820,6 @@ static inline void pmdp_set_wrprotect(struct mm_struct *mm,
                                      unsigned long addr, pmd_t *pmdp)
 {
        clear_bit(_PAGE_BIT_RW, (unsigned long *)pmdp);
-       pmd_update(mm, addr, pmdp);
 }
 
 /*