KVM: x86: Insert "AMD" in KVM_X86_FEATURE_PSFD
authorJim Mattson <jmattson@google.com>
Tue, 30 Aug 2022 22:52:09 +0000 (15:52 -0700)
committerPaolo Bonzini <pbonzini@redhat.com>
Wed, 9 Nov 2022 17:31:15 +0000 (12:31 -0500)
Intel and AMD have separate CPUID bits for each SPEC_CTRL bit. In the
case of every bit other than PFSD, the Intel CPUID bit has no vendor
name qualifier, but the AMD CPUID bit does. For consistency, rename
KVM_X86_FEATURE_PSFD to KVM_X86_FEATURE_AMD_PSFD.

No functional change intended.

Signed-off-by: Jim Mattson <jmattson@google.com>
Cc: Babu Moger <Babu.Moger@amd.com>
Message-Id: <20220830225210.2381310-1-jmattson@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/cpuid.c

index 62bc7a0..6b59125 100644 (file)
@@ -62,7 +62,7 @@ u32 xstate_required_size(u64 xstate_bv, bool compacted)
  * This one is tied to SSB in the user API, and not
  * visible in /proc/cpuinfo.
  */
-#define KVM_X86_FEATURE_PSFD           (13*32+28) /* Predictive Store Forwarding Disable */
+#define KVM_X86_FEATURE_AMD_PSFD       (13*32+28) /* Predictive Store Forwarding Disable */
 
 #define F feature_bit
 #define SF(name) (boot_cpu_has(X86_FEATURE_##name) ? F(name) : 0)
@@ -694,7 +694,7 @@ void kvm_set_cpu_caps(void)
                F(CLZERO) | F(XSAVEERPTR) |
                F(WBNOINVD) | F(AMD_IBPB) | F(AMD_IBRS) | F(AMD_SSBD) | F(VIRT_SSBD) |
                F(AMD_SSB_NO) | F(AMD_STIBP) | F(AMD_STIBP_ALWAYS_ON) |
-               __feature_bit(KVM_X86_FEATURE_PSFD)
+               __feature_bit(KVM_X86_FEATURE_AMD_PSFD)
        );
 
        /*