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| author | Paolo Bonzini <pbonzini@redhat.com> | 2018-01-01 22:53:42 +0100 |
|---|---|---|
| committer | Radim Krčmář <rkrcmar@redhat.com> | 2018-01-16 16:50:23 +0100 |
| commit | 07f36616cde482a9fd65da9a64f504190c7a0edb (patch) | |
| tree | ff22fb39adaa08ea2f9e36ec795fdaaeb9720d83 /arch/x86 | |
| parent | 25a2e4fe8ef719de564370349dc408ac7263f455 (diff) | |
| download | linux-stable-07f36616cde482a9fd65da9a64f504190c7a0edb.tar.gz linux-stable-07f36616cde482a9fd65da9a64f504190c7a0edb.tar.bz2 linux-stable-07f36616cde482a9fd65da9a64f504190c7a0edb.zip | |
KVM: nVMX: remove unnecessary vmwrite from L2->L1 vmexit
The POSTED_INTR_NV field is constant (though it differs between the vmcs01 and
vmcs02), there is no need to reload it on vmexit to L1.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 9b9e02c0f25e..bbadd8c7e592 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -11339,9 +11339,6 @@ static void load_vmcs12_host_state(struct kvm_vcpu *vcpu, */ vmx_flush_tlb(vcpu, true); } - /* Restore posted intr vector. */ - if (nested_cpu_has_posted_intr(vmcs12)) - vmcs_write16(POSTED_INTR_NV, POSTED_INTR_VECTOR); vmcs_write32(GUEST_SYSENTER_CS, vmcs12->host_ia32_sysenter_cs); vmcs_writel(GUEST_SYSENTER_ESP, vmcs12->host_ia32_sysenter_esp); |