KVM: x86: Use u32 for holding CPUID register value in helpers

Change the intermediate CPUID output register values from "int" to "u32"
to match both hardware and the storage type in struct cpuid_reg.

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>

diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h
index c1ac099..72a79bd 100644 (file)
--- a/arch/x86/kvm/cpuid.h
+++ b/arch/x86/kvm/cpuid.h
@@ -95,7 +95,7 @@ static __always_inline struct cpuid_reg x86_feature_cpuid(unsigned x86_feature)
        return reverse_cpuid[x86_leaf];
 }
 
-static __always_inline int *guest_cpuid_get_register(struct kvm_vcpu *vcpu, unsigned x86_feature)
+static __always_inline u32 *guest_cpuid_get_register(struct kvm_vcpu *vcpu, unsigned x86_feature)
 {
        struct kvm_cpuid_entry2 *entry;
        const struct cpuid_reg cpuid = x86_feature_cpuid(x86_feature);
@@ -121,7 +121,7 @@ static __always_inline int *guest_cpuid_get_register(struct kvm_vcpu *vcpu, unsi
 
 static __always_inline bool guest_cpuid_has(struct kvm_vcpu *vcpu, unsigned x86_feature)
 {
-       int *reg;
+       u32 *reg;
 
        reg = guest_cpuid_get_register(vcpu, x86_feature);
        if (!reg)
@@ -132,7 +132,7 @@ static __always_inline bool guest_cpuid_has(struct kvm_vcpu *vcpu, unsigned x86_
 
 static __always_inline void guest_cpuid_clear(struct kvm_vcpu *vcpu, unsigned x86_feature)
 {
-       int *reg;
+       u32 *reg;
 
        reg = guest_cpuid_get_register(vcpu, x86_feature);
        if (reg)