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authorRadim Krčmář <rkrcmar@redhat.com>2016-07-12 22:09:24 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2016-07-14 09:03:55 +0200
commitc93de59dcd9bef0044e615493ab52d3958243d87 (patch)
tree68e0cf248a84ead2b88d8f02ab4d3a91689697b2 /arch/x86
parent49bd29ba1dbd57b029f69cd9afb335a8f564f32f (diff)
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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 'arch/x86')
-rw-r--r--arch/x86/kvm/vmx.c3
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 */