| Subject | Re: [RFC PATCH v2 20/69] KVM: x86/mmu: Mark VM as bugged if page fault returns RET_PF_INVALID | From | Paolo Bonzini <> | Date | Tue, 6 Jul 2021 15:48:13 +0200 |
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On 03/07/21 00:04, isaku.yamahata@intel.com wrote: > From: Sean Christopherson <sean.j.christopherson@intel.com> > > Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com> > Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com> > --- > arch/x86/kvm/mmu/mmu.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c > index 5b8a640f8042..0dc4bf34ce9c 100644 > --- a/arch/x86/kvm/mmu/mmu.c > +++ b/arch/x86/kvm/mmu/mmu.c > @@ -5091,7 +5091,7 @@ int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, u64 error_code, > if (r == RET_PF_INVALID) { > r = kvm_mmu_do_page_fault(vcpu, cr2_or_gpa, > lower_32_bits(error_code), false); > - if (WARN_ON_ONCE(r == RET_PF_INVALID)) > + if (KVM_BUG_ON(r == RET_PF_INVALID, vcpu->kvm)) > return -EIO; > } > >
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
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