KVM: x86: Make kvm_mpx_supported() an inline function

Expose kvm_mpx_supported() as a static inline so that it can be inlined in kvm_intel.ko. No functional change intended. Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com> 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>
mariux64 · Mar 16, 2020 · 615a4ae · 615a4ae
1 parent 7f5581f
commit 615a4ae
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Showing 3 changed files with 6 additions and 8 deletions.
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
@@ -45,13 +45,6 @@ static u32 xstate_required_size(u64 xstate_bv, bool compacted)
 	return ret;
 }
 
-bool kvm_mpx_supported(void)
-{
-	return (supported_xcr0 & (XFEATURE_MASK_BNDREGS | XFEATURE_MASK_BNDCSR))
-		== (XFEATURE_MASK_BNDREGS | XFEATURE_MASK_BNDCSR);
-}
-EXPORT_SYMBOL_GPL(kvm_mpx_supported);
-
 #define F feature_bit
 
 int kvm_update_cpuid(struct kvm_vcpu *vcpu)

diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h
@@ -7,7 +7,6 @@
 #include <asm/processor.h>
 
 int kvm_update_cpuid(struct kvm_vcpu *vcpu);
-bool kvm_mpx_supported(void);
 struct kvm_cpuid_entry2 *kvm_find_cpuid_entry(struct kvm_vcpu *vcpu,
 					      u32 function, u32 index);
 int kvm_dev_ioctl_get_cpuid(struct kvm_cpuid2 *cpuid,

diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
@@ -273,6 +273,12 @@ enum exit_fastpath_completion handle_fastpath_set_msr_irqoff(struct kvm_vcpu *vc
 extern u64 host_xcr0;
 extern u64 supported_xcr0;
 
+static inline bool kvm_mpx_supported(void)
+{
+	return (supported_xcr0 & (XFEATURE_MASK_BNDREGS | XFEATURE_MASK_BNDCSR))
+		== (XFEATURE_MASK_BNDREGS | XFEATURE_MASK_BNDCSR);
+}
+
 extern unsigned int min_timer_period_us;
 
 extern bool enable_vmware_backdoor;