diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-12-05 08:25:45 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-12-05 15:36:46 +0100 |
| commit | 4f4788e49910473a1be6bb14aaa01915d895377d (patch) | |
| tree | da0fdf2bd46a822d7684b76a0e4222dba1cbc27a /arch/x86/kvm/vmx.c | |
| parent | fbc5fe7a54d02e11972e3b2a5ddb6ffc88162c8f (diff) | |
Revert "KVM: nVMX: reset cache/shadows when switching loaded VMCS"
This reverts commit 9f0b41be6aff47c24c6431bdc76f86b9cd647a0d which is
commit b7031fd40fcc741b0f9b0c04c8d844e445858b84 upstream.
It should not have been selected for a stable kernel as it breaks the
nVMX regression tests.
Reported-by: Jack Wang <jack.wang.usish@gmail.com>
Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Cc: Jim Mattson <jmattson@google.com>
Cc: Sean Christopherson <sean.j.christopherson@intel.com>
Cc: Jim Mattson <jmattson@google.com>
Cc: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/kvm/vmx.c')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index f67fc0f359ff..790b217fef9f 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -10000,10 +10000,6 @@ static void vmx_switch_vmcs(struct kvm_vcpu *vcpu, struct loaded_vmcs *vmcs) vmx_vcpu_load(vcpu, cpu); vcpu->cpu = cpu; put_cpu(); - - vm_entry_controls_reset_shadow(vmx); - vm_exit_controls_reset_shadow(vmx); - vmx_segment_cache_clear(vmx); } /* @@ -11432,6 +11428,7 @@ static int enter_vmx_non_root_mode(struct kvm_vcpu *vcpu, bool from_vmentry) vmx->nested.vmcs01_debugctl = vmcs_read64(GUEST_IA32_DEBUGCTL); vmx_switch_vmcs(vcpu, &vmx->nested.vmcs02); + vmx_segment_cache_clear(vmx); if (prepare_vmcs02(vcpu, vmcs12, from_vmentry, &exit_qual)) { leave_guest_mode(vcpu); @@ -12175,6 +12172,9 @@ static void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 exit_reason, } vmx_switch_vmcs(vcpu, &vmx->vmcs01); + vm_entry_controls_reset_shadow(vmx); + vm_exit_controls_reset_shadow(vmx); + vmx_segment_cache_clear(vmx); /* Update any VMCS fields that might have changed while L2 ran */ vmcs_write32(VM_EXIT_MSR_LOAD_COUNT, vmx->msr_autoload.host.nr); |