[PATCH 1/2] KVM MMU: fix for forgot mark parent->unsync_children bit
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From: Xiao Guangrong on 5 May 2010 08:30 When mapping a new parent to unsync shadow page, we should mark parent's unsync_children bit Reported-by: Marcelo Tosatti <mtosatti(a)redhat.com> Signed-off-by: Xiao Guangrong <xiaoguangrong(a)cn.fujitsu.com> --- arch/x86/kvm/mmu.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 97f2ea0..bf35a2f 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1374,7 +1374,9 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu, if (sp->unsync_children) { set_bit(KVM_REQ_MMU_SYNC, &vcpu->requests); kvm_mmu_mark_parents_unsync(sp); - } + } else if (sp->unsync) + kvm_mmu_mark_parents_unsync(sp); + trace_kvm_mmu_get_page(sp, false); return sp; } -- 1.6.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |