diff options
| author | Avi Kivity <avi@redhat.com> | 2010-11-09 16:15:42 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-01-12 11:29:16 +0200 |
| commit | 2a6b20b83d1d37db57a9c25d99dc78454ad0747b (patch) | |
| tree | c7dc696ec4c0b8e6853bd9705dedb3fed26d7eca /arch/x86/kvm/svm.c | |
| parent | c4806acdcec020fe5bbb054ce9dc75aaecaf29dd (diff) | |
| download | lwn-2a6b20b83d1d37db57a9c25d99dc78454ad0747b.tar.gz lwn-2a6b20b83d1d37db57a9c25d99dc78454ad0747b.zip | |
KVM: SVM: Replace svm_has() by standard Linux cpuid accessors
Instead of querying cpuid directly, use the Linux accessors (boot_cpu_has,
etc.). This allows the things like the clearcpuid kernel command line to
work (when it's fixed wrt scattered cpuid bits).
Acked-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86/kvm/svm.c')
| -rw-r--r-- | arch/x86/kvm/svm.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index cf47a2fc24e9..7c7f03b5f39a 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -271,11 +271,6 @@ static u32 svm_msrpm_offset(u32 msr) #define MAX_INST_SIZE 15 -static inline u32 svm_has(u32 feat) -{ - return svm_features & feat; -} - static inline void clgi(void) { asm volatile (__ex(SVM_CLGI)); @@ -381,7 +376,7 @@ static void svm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr, nested_svm_check_exception(svm, nr, has_error_code, error_code)) return; - if (nr == BP_VECTOR && !svm_has(SVM_FEATURE_NRIP)) { + if (nr == BP_VECTOR && !static_cpu_has(X86_FEATURE_NRIPS)) { unsigned long rip, old_rip = kvm_rip_read(&svm->vcpu); /* @@ -677,7 +672,7 @@ static __init int svm_hardware_setup(void) svm_features = cpuid_edx(SVM_CPUID_FUNC); - if (!svm_has(SVM_FEATURE_NPT)) + if (!boot_cpu_has(X86_FEATURE_NPT)) npt_enabled = false; if (npt_enabled && !npt) { @@ -876,7 +871,7 @@ static void init_vmcb(struct vcpu_svm *svm) svm->nested.vmcb = 0; svm->vcpu.arch.hflags = 0; - if (svm_has(SVM_FEATURE_PAUSE_FILTER)) { + if (boot_cpu_has(X86_FEATURE_PAUSEFILTER)) { control->pause_filter_count = 3000; control->intercept |= (1ULL << INTERCEPT_PAUSE); } @@ -2743,7 +2738,7 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 data) svm->vmcb->save.sysenter_esp = data; break; case MSR_IA32_DEBUGCTLMSR: - if (!svm_has(SVM_FEATURE_LBRV)) { + if (!boot_cpu_has(X86_FEATURE_LBRV)) { pr_unimpl(vcpu, "%s: MSR_IA32_DEBUGCTL 0x%llx, nop\n", __func__, data); break; @@ -3533,7 +3528,7 @@ static void svm_set_supported_cpuid(u32 func, struct kvm_cpuid_entry2 *entry) additional features */ /* Support next_rip if host supports it */ - if (svm_has(SVM_FEATURE_NRIP)) + if (boot_cpu_has(X86_FEATURE_NRIPS)) entry->edx |= SVM_FEATURE_NRIP; /* Support NPT for the guest if enabled */ |