diff options
| -rw-r--r-- | kvm_mmu.c | 9 |
1 files changed, 5 insertions, 4 deletions
@@ -19,6 +19,7 @@ * Copyright 2011 various Linux Kernel contributors. * Copyright 2011 Joyent, Inc. All Rights Reserved. * Copyright 2011 Joshua M. Clulow <josh@sysmgr.org> + * Copyright 2011 Richard Lowe */ #include <sys/sysmacros.h> @@ -948,9 +949,9 @@ typedef struct kvm_mmu_pages { } kvm_mmu_pages_t; #define for_each_unsync_children(bitmap, idx) \ - for (idx = bt_getlowbit(bitmap, 0, 512); \ - idx < 512; \ - idx = bt_getlowbit(bitmap, idx+1, 512)) + for (idx = bt_getlowbit(bitmap, 0, 511); \ + (idx != -1) && (idx < 512); \ + idx = bt_getlowbit(bitmap, idx+1, 511)) static int mmu_pages_add(struct kvm_mmu_pages *pvec, struct kvm_mmu_page *sp, int idx) @@ -1004,7 +1005,7 @@ __mmu_unsync_walk(struct kvm_mmu_page *sp, struct kvm_mmu_pages *pvec, } } - if (bt_getlowbit(sp->unsync_child_bitmap, 0, 512) == 512) + if (bt_getlowbit(sp->unsync_child_bitmap, 0, 511) == -1) sp->unsync_children = 0; return (nr_unsync_leaf); |