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Diffstat (limited to 'arch/x86/kvm/vmx.c')
-rw-r--r--arch/x86/kvm/vmx.c88
1 files changed, 44 insertions, 44 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index feb852b04598..d4c58d884838 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -5840,53 +5840,10 @@ static __init int hardware_setup(void)
5840 memset(vmx_msr_bitmap_legacy, 0xff, PAGE_SIZE); 5840 memset(vmx_msr_bitmap_legacy, 0xff, PAGE_SIZE);
5841 memset(vmx_msr_bitmap_longmode, 0xff, PAGE_SIZE); 5841 memset(vmx_msr_bitmap_longmode, 0xff, PAGE_SIZE);
5842 5842
5843 vmx_disable_intercept_for_msr(MSR_FS_BASE, false);
5844 vmx_disable_intercept_for_msr(MSR_GS_BASE, false);
5845 vmx_disable_intercept_for_msr(MSR_KERNEL_GS_BASE, true);
5846 vmx_disable_intercept_for_msr(MSR_IA32_SYSENTER_CS, false);
5847 vmx_disable_intercept_for_msr(MSR_IA32_SYSENTER_ESP, false);
5848 vmx_disable_intercept_for_msr(MSR_IA32_SYSENTER_EIP, false);
5849 vmx_disable_intercept_for_msr(MSR_IA32_BNDCFGS, true);
5850
5851 memcpy(vmx_msr_bitmap_legacy_x2apic,
5852 vmx_msr_bitmap_legacy, PAGE_SIZE);
5853 memcpy(vmx_msr_bitmap_longmode_x2apic,
5854 vmx_msr_bitmap_longmode, PAGE_SIZE);
5855
5856 if (enable_apicv) {
5857 for (msr = 0x800; msr <= 0x8ff; msr++)
5858 vmx_disable_intercept_msr_read_x2apic(msr);
5859
5860 /* According SDM, in x2apic mode, the whole id reg is used.
5861 * But in KVM, it only use the highest eight bits. Need to
5862 * intercept it */
5863 vmx_enable_intercept_msr_read_x2apic(0x802);
5864 /* TMCCT */
5865 vmx_enable_intercept_msr_read_x2apic(0x839);
5866 /* TPR */
5867 vmx_disable_intercept_msr_write_x2apic(0x808);
5868 /* EOI */
5869 vmx_disable_intercept_msr_write_x2apic(0x80b);
5870 /* SELF-IPI */
5871 vmx_disable_intercept_msr_write_x2apic(0x83f);
5872 }
5873
5874 if (enable_ept) {
5875 kvm_mmu_set_mask_ptes(0ull,
5876 (enable_ept_ad_bits) ? VMX_EPT_ACCESS_BIT : 0ull,
5877 (enable_ept_ad_bits) ? VMX_EPT_DIRTY_BIT : 0ull,
5878 0ull, VMX_EPT_EXECUTABLE_MASK);
5879 ept_set_mmio_spte_mask();
5880 kvm_enable_tdp();
5881 } else
5882 kvm_disable_tdp();
5883
5884 update_ple_window_actual_max();
5885
5886 if (setup_vmcs_config(&vmcs_config) < 0) { 5843 if (setup_vmcs_config(&vmcs_config) < 0) {
5887 r = -EIO; 5844 r = -EIO;
5888 goto out7; 5845 goto out7;
5889 } 5846 }
5890 5847
5891 if (boot_cpu_has(X86_FEATURE_NX)) 5848 if (boot_cpu_has(X86_FEATURE_NX))
5892 kvm_enable_efer_bits(EFER_NX); 5849 kvm_enable_efer_bits(EFER_NX);
@@ -5945,6 +5902,49 @@ static __init int hardware_setup(void)
5945 if (nested) 5902 if (nested)
5946 nested_vmx_setup_ctls_msrs(); 5903 nested_vmx_setup_ctls_msrs();
5947 5904
5905 vmx_disable_intercept_for_msr(MSR_FS_BASE, false);
5906 vmx_disable_intercept_for_msr(MSR_GS_BASE, false);
5907 vmx_disable_intercept_for_msr(MSR_KERNEL_GS_BASE, true);
5908 vmx_disable_intercept_for_msr(MSR_IA32_SYSENTER_CS, false);
5909 vmx_disable_intercept_for_msr(MSR_IA32_SYSENTER_ESP, false);
5910 vmx_disable_intercept_for_msr(MSR_IA32_SYSENTER_EIP, false);
5911 vmx_disable_intercept_for_msr(MSR_IA32_BNDCFGS, true);
5912
5913 memcpy(vmx_msr_bitmap_legacy_x2apic,
5914 vmx_msr_bitmap_legacy, PAGE_SIZE);
5915 memcpy(vmx_msr_bitmap_longmode_x2apic,
5916 vmx_msr_bitmap_longmode, PAGE_SIZE);
5917
5918 if (enable_apicv) {
5919 for (msr = 0x800; msr <= 0x8ff; msr++)
5920 vmx_disable_intercept_msr_read_x2apic(msr);
5921
5922 /* According SDM, in x2apic mode, the whole id reg is used.
5923 * But in KVM, it only use the highest eight bits. Need to
5924 * intercept it */
5925 vmx_enable_intercept_msr_read_x2apic(0x802);
5926 /* TMCCT */
5927 vmx_enable_intercept_msr_read_x2apic(0x839);
5928 /* TPR */
5929 vmx_disable_intercept_msr_write_x2apic(0x808);
5930 /* EOI */
5931 vmx_disable_intercept_msr_write_x2apic(0x80b);
5932 /* SELF-IPI */
5933 vmx_disable_intercept_msr_write_x2apic(0x83f);
5934 }
5935
5936 if (enable_ept) {
5937 kvm_mmu_set_mask_ptes(0ull,
5938 (enable_ept_ad_bits) ? VMX_EPT_ACCESS_BIT : 0ull,
5939 (enable_ept_ad_bits) ? VMX_EPT_DIRTY_BIT : 0ull,
5940 0ull, VMX_EPT_EXECUTABLE_MASK);
5941 ept_set_mmio_spte_mask();
5942 kvm_enable_tdp();
5943 } else
5944 kvm_disable_tdp();
5945
5946 update_ple_window_actual_max();
5947
5948 return alloc_kvm_area(); 5948 return alloc_kvm_area();
5949 5949
5950out7: 5950out7: