diff options
| author | Sean Christopherson <sean.j.christopherson@intel.com> | 2020-03-03 02:56:35 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-03-16 19:58:18 +0300 |
| commit | e574768f841ba600009da06b3027d9413dba868f (patch) | |
| tree | e7405c75c9f58ac43616d17115d4549572547e31 | |
| parent | 5ffec6f910dc8998c9da9320550ffddebe2e7afc (diff) | |
| download | linux-e574768f841ba600009da06b3027d9413dba868f.tar.xz | |
KVM: x86: Handle UMIP emulation CPUID adjustment in VMX code
Move the CPUID adjustment for UMIP emulation into VMX code to eliminate
an instance of the undesirable "unsigned f_* = *_supported ? F(*) : 0"
pattern in the common CPUID handling code.
No functional change intended.
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | arch/x86/kvm/cpuid.c | 2 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx/vmx.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 99c4748e5a0d..d7b3db024edc 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -331,7 +331,6 @@ static int __do_cpuid_func_emulated(struct kvm_cpuid_array *array, u32 func) static inline void do_cpuid_7_mask(struct kvm_cpuid_entry2 *entry) { - unsigned f_umip = kvm_x86_ops->umip_emulated() ? F(UMIP) : 0; unsigned f_intel_pt = kvm_x86_ops->pt_supported() ? F(INTEL_PT) : 0; unsigned f_la57; unsigned f_pku = kvm_x86_ops->pku_supported() ? F(PKU) : 0; @@ -374,7 +373,6 @@ static inline void do_cpuid_7_mask(struct kvm_cpuid_entry2 *entry) cpuid_entry_mask(entry, CPUID_7_ECX); /* Set LA57 based on hardware capability. */ entry->ecx |= f_la57; - entry->ecx |= f_umip; entry->ecx |= f_pku; /* PKU is not yet implemented for shadow paging. */ if (!tdp_enabled || !boot_cpu_has(X86_FEATURE_OSPKE)) diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 040c7e8f3345..2f0897f296fb 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -7135,6 +7135,8 @@ static void vmx_set_supported_cpuid(struct kvm_cpuid_entry2 *entry) cpuid_entry_set(entry, X86_FEATURE_MPX); if (boot_cpu_has(X86_FEATURE_INVPCID) && cpu_has_vmx_invpcid()) cpuid_entry_set(entry, X86_FEATURE_INVPCID); + if (vmx_umip_emulated()) + cpuid_entry_set(entry, X86_FEATURE_UMIP); break; default: break; |