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authorPaul Mackerras <paulus@samba.org>2008-11-11 16:43:22 -0500
committerPaul Mackerras <paulus@samba.org>2008-11-11 16:43:22 -0500
commit486936cd93e99c802153b3f2f629c5ce62b8c0d4 (patch)
tree51e261a96e1fb6b51d4a6afb92bfc2480e150b6c /arch/x86/xen/mmu.c
parent1c1b777a5673b57a6c0377ba60a790d05e4a0676 (diff)
parentf21f237cf55494c3a4209de323281a3b0528da10 (diff)
Merge branch 'linux-2.6' into next
Diffstat (limited to 'arch/x86/xen/mmu.c')
-rw-r--r--arch/x86/xen/mmu.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index aba77b2b7d18..688936044dc9 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -850,13 +850,16 @@ static int xen_pin_page(struct mm_struct *mm, struct page *page,
850 read-only, and can be pinned. */ 850 read-only, and can be pinned. */
851static void __xen_pgd_pin(struct mm_struct *mm, pgd_t *pgd) 851static void __xen_pgd_pin(struct mm_struct *mm, pgd_t *pgd)
852{ 852{
853 vm_unmap_aliases();
854
853 xen_mc_batch(); 855 xen_mc_batch();
854 856
855 if (xen_pgd_walk(mm, xen_pin_page, USER_LIMIT)) { 857 if (xen_pgd_walk(mm, xen_pin_page, USER_LIMIT)) {
856 /* re-enable interrupts for kmap_flush_unused */ 858 /* re-enable interrupts for flushing */
857 xen_mc_issue(0); 859 xen_mc_issue(0);
860
858 kmap_flush_unused(); 861 kmap_flush_unused();
859 vm_unmap_aliases(); 862
860 xen_mc_batch(); 863 xen_mc_batch();
861 } 864 }
862 865
@@ -874,7 +877,7 @@ static void __xen_pgd_pin(struct mm_struct *mm, pgd_t *pgd)
874#else /* CONFIG_X86_32 */ 877#else /* CONFIG_X86_32 */
875#ifdef CONFIG_X86_PAE 878#ifdef CONFIG_X86_PAE
876 /* Need to make sure unshared kernel PMD is pinnable */ 879 /* Need to make sure unshared kernel PMD is pinnable */
877 xen_pin_page(mm, virt_to_page(pgd_page(pgd[pgd_index(TASK_SIZE)])), 880 xen_pin_page(mm, pgd_page(pgd[pgd_index(TASK_SIZE)]),
878 PT_PMD); 881 PT_PMD);
879#endif 882#endif
880 xen_do_pin(MMUEXT_PIN_L3_TABLE, PFN_DOWN(__pa(pgd))); 883 xen_do_pin(MMUEXT_PIN_L3_TABLE, PFN_DOWN(__pa(pgd)));
@@ -991,7 +994,7 @@ static void __xen_pgd_unpin(struct mm_struct *mm, pgd_t *pgd)
991 994
992#ifdef CONFIG_X86_PAE 995#ifdef CONFIG_X86_PAE
993 /* Need to make sure unshared kernel PMD is unpinned */ 996 /* Need to make sure unshared kernel PMD is unpinned */
994 xen_unpin_page(mm, virt_to_page(pgd_page(pgd[pgd_index(TASK_SIZE)])), 997 xen_unpin_page(mm, pgd_page(pgd[pgd_index(TASK_SIZE)]),
995 PT_PMD); 998 PT_PMD);
996#endif 999#endif
997 1000