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author | Arthur Chunqi Li <yzt356@gmail.com> | 2013-08-06 18:41:45 +0800 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2013-08-07 15:57:47 +0200 |
commit | c0dfee582ef22c35dd4c208e502aa72cab646594 (patch) | |
tree | 571f21aec13439fb7b8730f2d043be30c9a69815 /arch/x86/kvm/vmx.c | |
parent | 574353496081bce251fdd82fbfb67ca9fd6e0fcf (diff) | |
download | lwn-c0dfee582ef22c35dd4c208e502aa72cab646594.tar.gz lwn-c0dfee582ef22c35dd4c208e502aa72cab646594.zip |
KVM: nVMX: Advertise IA32_PAT in VM exit control
Advertise VM_EXIT_SAVE_IA32_PAT and VM_EXIT_LOAD_IA32_PAT.
Signed-off-by: Arthur Chunqi Li <yzt356@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/vmx.c')
-rw-r--r-- | arch/x86/kvm/vmx.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index d9d0a94eb509..57b4e129891a 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2196,13 +2196,15 @@ static __init void nested_vmx_setup_ctls_msrs(void) * If bit 55 of VMX_BASIC is off, bits 0-8 and 10, 11, 13, 14, 16 and * 17 must be 1. */ + rdmsr(MSR_IA32_VMX_EXIT_CTLS, + nested_vmx_exit_ctls_low, nested_vmx_exit_ctls_high); nested_vmx_exit_ctls_low = VM_EXIT_ALWAYSON_WITHOUT_TRUE_MSR; /* Note that guest use of VM_EXIT_ACK_INTR_ON_EXIT is not supported. */ + nested_vmx_exit_ctls_high &= #ifdef CONFIG_X86_64 - nested_vmx_exit_ctls_high = VM_EXIT_HOST_ADDR_SPACE_SIZE; -#else - nested_vmx_exit_ctls_high = 0; + VM_EXIT_HOST_ADDR_SPACE_SIZE | #endif + VM_EXIT_LOAD_IA32_PAT | VM_EXIT_SAVE_IA32_PAT; nested_vmx_exit_ctls_high |= (VM_EXIT_ALWAYSON_WITHOUT_TRUE_MSR | VM_EXIT_LOAD_IA32_EFER); |