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| author |   Radim Krčmář <rkrcmar@redhat.com> | 2016-07-12 22:09:24 +0200 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2016-07-14 09:03:55 +0200 |
| commit | c93de59dcd9bef0044e615493ab52d3958243d87 (patch) | |
| tree | 68e0cf248a84ead2b88d8f02ab4d3a91689697b2 | |
| parent | KVM: x86: reset APIC ID when enabling LAPIC (diff) | |
| download | wireguard-linux-c93de59dcd9bef0044e615493ab52d3958243d87.tar.xz wireguard-linux-c93de59dcd9bef0044e615493ab52d3958243d87.zip | |
KVM: VMX: optimize APIC ID read with APICv
The register is in hardware-compatible format now, so there is not need
to intercept.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to '')
| -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 729e5f689097..7bdd6b1a2373 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -6461,9 +6461,6 @@ static __init int hardware_setup(void) for (msr = 0x800; msr <= 0x8ff; msr++) vmx_disable_intercept_msr_read_x2apic(msr); - /* According SDM, in x2apic mode, the whole id reg is used. But in - * KVM, it only use the highest eight bits. Need to intercept it */ - vmx_enable_intercept_msr_read_x2apic(0x802); /* TMCCT */ vmx_enable_intercept_msr_read_x2apic(0x839); /* TPR */ |