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| author | Sean Christopherson <sean.j.christopherson@intel.com> | 2020-03-20 22:28:23 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-04-21 15:12:54 +0200 |
| commit | 1196cb970b996be69a2fcd9756117b394f8e7526 (patch) | |
| tree | ba521037746c95a0d36811044f3ba9718c8e551d /arch/x86/kvm/vmx/vmx.h | |
| parent | KVM: nVMX: Selectively use TLB_FLUSH_CURRENT for nested VM-Enter/VM-Exit (diff) | |
| download | linux-1196cb970b996be69a2fcd9756117b394f8e7526.tar.xz linux-1196cb970b996be69a2fcd9756117b394f8e7526.zip | |
KVM: nVMX: Reload APIC access page on nested VM-Exit only if necessary
Defer reloading L1's APIC page by logging the need for a reload and
processing it during nested VM-Exit instead of unconditionally reloading
the APIC page on nested VM-Exit. This eliminates a TLB flush on the
majority of VM-Exits as the APIC page rarely needs to be reloaded.
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Message-Id: <20200320212833.3507-28-sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/vmx/vmx.h')
| -rw-r--r-- | arch/x86/kvm/vmx/vmx.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h index 4c7b0713b438..31d7252df163 100644 --- a/arch/x86/kvm/vmx/vmx.h +++ b/arch/x86/kvm/vmx/vmx.h @@ -136,6 +136,7 @@ struct nested_vmx { bool vmcs02_initialized; bool change_vmcs01_virtual_apic_mode; + bool reload_vmcs01_apic_access_page; /* * Enlightened VMCS has been enabled. It does not mean that L1 has to |