shadow: Fix dirty vram tracking typo.

Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>

diff --git a/xen/arch/x86/mm/shadow/multi.c b/xen/arch/x86/mm/shadow/multi.c
index 2e2d209122ef8fb49d7a11eac2285975631c8b44..1d050f67bf7b7737f3d44c67f92969f13cb876f6 100644 (file)
--- a/xen/arch/x86/mm/shadow/multi.c
+++ b/xen/arch/x86/mm/shadow/multi.c
@@ -1321,7 +1321,7 @@ static inline void shadow_vram_put_l1e(shadow_l1e_t old_sl1e,
             }
         }
         if ( dirty )
-            d->dirty_vram->dirty_bitmap[i / 8] |= d->dirty_vram->dirty_bitmap[i % 8];
+            d->dirty_vram->dirty_bitmap[i / 8] |= 1 << (i % 8);
     }
 }