From ebdea638df04ae6293a9a5414d98ad843c69e82f Mon Sep 17 00:00:00 2001 From: Xiao Guangrong Date: Fri, 11 Jun 2010 21:32:34 +0800 Subject: KVM: MMU: cleanup for __mmu_unsync_walk() Decrease sp->unsync_children after clear unsync_child_bitmap bit Signed-off-by: Xiao Guangrong Signed-off-by: Marcelo Tosatti --- arch/x86/kvm/mmu.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'arch') diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index d1e09f3c561..41e801b5306 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1160,9 +1160,11 @@ static int __mmu_unsync_walk(struct kvm_mmu_page *sp, return -ENOSPC; ret = __mmu_unsync_walk(child, pvec); - if (!ret) + if (!ret) { __clear_bit(i, sp->unsync_child_bitmap); - else if (ret > 0) + sp->unsync_children--; + WARN_ON((int)sp->unsync_children < 0); + } else if (ret > 0) nr_unsync_leaf += ret; else return ret; @@ -1176,8 +1178,6 @@ static int __mmu_unsync_walk(struct kvm_mmu_page *sp, } } - if (find_first_bit(sp->unsync_child_bitmap, 512) == 512) - sp->unsync_children = 0; return nr_unsync_leaf; } -- cgit v1.2.3