x86/paravirt: PTE updates in k(un)map_atomic need to be synchronous, regardless of...

[pandora-kernel.git] / arch / x86 / mm / highmem_32.c

diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c
index b499626..f4f29b1 100644 (file)
--- a/arch/x86/mm/highmem_32.c
+++ b/arch/x86/mm/highmem_32.c
@@ -45,6 +45,7 @@ void *kmap_atomic_prot(struct page *page, pgprot_t prot)
        vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
        BUG_ON(!pte_none(*(kmap_pte-idx)));
        set_pte(kmap_pte-idx, mk_pte(page, prot));
+       arch_flush_lazy_mmu_mode();
 
        return (void *)vaddr;
 }
@@ -88,6 +89,7 @@ void __kunmap_atomic(void *kvaddr)
                 */
                kpte_clear_flush(kmap_pte-idx, vaddr);
                kmap_atomic_idx_pop();
+               arch_flush_lazy_mmu_mode();
        }
 #ifdef CONFIG_DEBUG_HIGHMEM
        else {