x86, kvm: Fix intialization warnings in kvm.c

With commit:

  4cca6ea04d31 ("x86/apic: Allow x2apic without IR on VMware platform")

we started seeing "incompatible initialization" warning messages,
since x2apic_available() expects a bool return type while
kvm_para_available() returns an int.

Reported by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Alok N Kataria <akataria@vmware.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

diff --git a/arch/x86/include/asm/kvm_para.h b/arch/x86/include/asm/kvm_para.h
index 5ed1f16..65231e1 100644 (file)
--- a/arch/x86/include/asm/kvm_para.h
+++ b/arch/x86/include/asm/kvm_para.h
@@ -85,13 +85,13 @@ static inline long kvm_hypercall4(unsigned int nr, unsigned long p1,
        return ret;
 }
 
-static inline int kvm_para_available(void)
+static inline bool kvm_para_available(void)
 {
        unsigned int eax, ebx, ecx, edx;
        char signature[13];
 
        if (boot_cpu_data.cpuid_level < 0)
-               return 0;       /* So we don't blow up on old processors */
+               return false;   /* So we don't blow up on old processors */
 
        if (cpu_has_hypervisor) {
                cpuid(KVM_CPUID_SIGNATURE, &eax, &ebx, &ecx, &edx);
@@ -101,10 +101,10 @@ static inline int kvm_para_available(void)
                signature[12] = 0;
 
                if (strcmp(signature, "KVMKVMKVM") == 0)
-                       return 1;
+                       return true;
        }
 
-       return 0;
+       return false;
 }
 
 static inline unsigned int kvm_arch_para_features(void)