diff options
| author | Sean Christopherson <sean.j.christopherson@intel.com> | 2018-08-23 23:56:48 +0300 |
|---|---|---|
| committer | Radim Krčmář <rkrcmar@redhat.com> | 2018-08-30 17:20:43 +0300 |
| commit | 8065dbd1ee0ef04321d80da7999b4f0086e0a407 (patch) | |
| tree | da11242c84dd1d3673413f796cd4844387ff52e5 /arch/x86/kvm/mmu.c | |
| parent | 35be0aded76b54a24dc8aa678a71bca22273e8d8 (diff) | |
| download | linux-8065dbd1ee0ef04321d80da7999b4f0086e0a407.tar.xz | |
KVM: x86: Invert emulation re-execute behavior to make it opt-in
Re-execution of an instruction after emulation decode failure is
intended to be used only when emulating shadow page accesses. Invert
the flag to make allowing re-execution opt-in since that behavior is
by far in the minority.
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Diffstat (limited to 'arch/x86/kvm/mmu.c')
| -rw-r--r-- | arch/x86/kvm/mmu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index a282321329b5..4508c34eef20 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -5217,7 +5217,7 @@ static int make_mmu_pages_available(struct kvm_vcpu *vcpu) int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t cr2, u64 error_code, void *insn, int insn_len) { - int r, emulation_type = EMULTYPE_RETRY; + int r, emulation_type = EMULTYPE_RETRY | EMULTYPE_ALLOW_REEXECUTE; enum emulation_result er; bool direct = vcpu->arch.mmu.direct_map; |