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| author |   Miaohe Lin <linmiaohe@huawei.com> | 2019-12-28 14:25:24 +0800 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2020-01-21 14:45:32 +0100 |
| commit | a4d956b9390418623ae5d07933e2679c68b6f83c (patch) | |
| tree | acee6d16f9c5a440c255a553438e68765cc02da0 /arch/x86/kvm/vmx/nested.c | |
| parent | KVM: x86/mmu: Micro-optimize nEPT's bad memptype/XWR checks (diff) | |
| download | linux-dev-a4d956b9390418623ae5d07933e2679c68b6f83c.tar.xz linux-dev-a4d956b9390418623ae5d07933e2679c68b6f83c.zip | |
KVM: nVMX: vmread should not set rflags to specify success in case of #PF
In case writing to vmread destination operand result in a #PF, vmread
should not call nested_vmx_succeed() to set rflags to specify success.
Similar to as done in VMPTRST (See handle_vmptrst()).
Reviewed-by: Liran Alon <liran.alon@oracle.com>
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: stable@vger.kernel.org
Reviewed-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | arch/x86/kvm/vmx/nested.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index e038a331583c..ef2d53854d15 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -4799,8 +4799,10 @@ static int handle_vmread(struct kvm_vcpu *vcpu) instr_info, true, len, &gva)) return 1; /* _system ok, nested_vmx_check_permission has verified cpl=0 */ - if (kvm_write_guest_virt_system(vcpu, gva, &value, len, &e)) + if (kvm_write_guest_virt_system(vcpu, gva, &value, len, &e)) { kvm_inject_page_fault(vcpu, &e); + return 1; + } } return nested_vmx_succeed(vcpu); |