diff options
| -rw-r--r-- | arch/x86/kvm/cpuid.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 701bbbf58124..3f52e6bdbe8e 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -82,15 +82,6 @@ u32 xstate_required_size(u64 xstate_bv, bool compacted) return ret; } -#define F feature_bit - -/* Scattered Flag - For features that are scattered by cpufeatures.h. */ -#define SF(name) \ -({ \ - BUILD_BUG_ON(X86_FEATURE_##name >= MAX_CPU_FEATURES); \ - (boot_cpu_has(X86_FEATURE_##name) ? F(name) : 0); \ -}) - /* * Magic value used by KVM when querying userspace-provided CPUID entries and * doesn't care about the CPIUD index because the index of the function in @@ -625,6 +616,15 @@ static __always_inline void kvm_cpu_cap_mask(enum cpuid_leafs leaf, u32 mask) __kvm_cpu_cap_mask(leaf); } +#define F feature_bit + +/* Scattered Flag - For features that are scattered by cpufeatures.h. */ +#define SF(name) \ +({ \ + BUILD_BUG_ON(X86_FEATURE_##name >= MAX_CPU_FEATURES); \ + (boot_cpu_has(X86_FEATURE_##name) ? F(name) : 0); \ +}) + void kvm_set_cpu_caps(void) { #ifdef CONFIG_X86_64 @@ -689,7 +689,7 @@ void kvm_set_cpu_caps(void) F(SGX_LC) | F(BUS_LOCK_DETECT) ); /* Set LA57 based on hardware capability. */ - if (cpuid_ecx(7) & F(LA57)) + if (cpuid_ecx(7) & feature_bit(LA57)) kvm_cpu_cap_set(X86_FEATURE_LA57); /* @@ -871,6 +871,9 @@ void kvm_set_cpu_caps(void) } EXPORT_SYMBOL_GPL(kvm_set_cpu_caps); +#undef F +#undef SF + struct kvm_cpuid_array { struct kvm_cpuid_entry2 *entries; int maxnent; @@ -946,14 +949,14 @@ static int __do_cpuid_func_emulated(struct kvm_cpuid_array *array, u32 func) ++array->nent; break; case 1: - entry->ecx = F(MOVBE); + entry->ecx = feature_bit(MOVBE); ++array->nent; break; case 7: entry->flags |= KVM_CPUID_FLAG_SIGNIFCANT_INDEX; entry->eax = 0; if (kvm_cpu_cap_has(X86_FEATURE_RDTSCP)) - entry->ecx = F(RDPID); + entry->ecx = feature_bit(RDPID); ++array->nent; break; default: @@ -1103,7 +1106,7 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function) goto out; cpuid_entry_override(entry, CPUID_D_1_EAX); - if (entry->eax & (F(XSAVES)|F(XSAVEC))) + if (entry->eax & (feature_bit(XSAVES) | feature_bit(XSAVEC))) entry->ebx = xstate_required_size(permitted_xcr0 | permitted_xss, true); else { @@ -1648,7 +1651,7 @@ bool kvm_cpuid(struct kvm_vcpu *vcpu, u32 *eax, u32 *ebx, u64 data; if (!__kvm_get_msr(vcpu, MSR_IA32_TSX_CTRL, &data, true) && (data & TSX_CTRL_CPUID_CLEAR)) - *ebx &= ~(F(RTM) | F(HLE)); + *ebx &= ~(feature_bit(RTM) | feature_bit(HLE)); } else if (function == 0x80000007) { if (kvm_hv_invtsc_suppressed(vcpu)) *edx &= ~feature_bit(CONSTANT_TSC); |