Merge tag 'x86-hyperv-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 Hyper-V update from Ingo Molnar:
"A single commit harmonizing the x86 and ARM64 Hyper-V constants
namespace"

* tag 'x86-hyperv-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/hyperv: Remove aliases with X64 in their name

arch/x86/hyperv/hv_init.c

···
 	 * Check for required features and priviliges to make TSC frequency
 	 * change notifications work.
 	 */
-	return ms_hyperv.features & HV_X64_ACCESS_FREQUENCY_MSRS &&
+	return ms_hyperv.features & HV_ACCESS_FREQUENCY_MSRS &&
 		ms_hyperv.misc_features & HV_FEATURE_FREQUENCY_MSRS_AVAILABLE &&
-		ms_hyperv.features & HV_X64_ACCESS_REENLIGHTENMENT;
+		ms_hyperv.features & HV_ACCESS_REENLIGHTENMENT;
 }
 
 DEFINE_IDTENTRY_SYSVEC(sysvec_hyperv_reenlightenment)
···
 		return;
 
 	/* Absolutely required MSRs */
-	required_msrs = HV_X64_MSR_HYPERCALL_AVAILABLE |
-		HV_X64_MSR_VP_INDEX_AVAILABLE;
+	required_msrs = HV_MSR_HYPERCALL_AVAILABLE |
+		HV_MSR_VP_INDEX_AVAILABLE;
 
 	if ((ms_hyperv.features & required_msrs) != required_msrs)
 		return;

arch/x86/hyperv/hv_spinlock.c

···
 {
 	if (!hv_pvspin || !apic ||
 	    !(ms_hyperv.hints & HV_X64_CLUSTER_IPI_RECOMMENDED) ||
-	    !(ms_hyperv.features & HV_X64_MSR_GUEST_IDLE_AVAILABLE)) {
+	    !(ms_hyperv.features & HV_MSR_GUEST_IDLE_AVAILABLE)) {
 		pr_info("PV spinlocks disabled\n");
 		return;
 	}

arch/x86/include/asm/hyperv-tlfs.h

···
 #define HYPERV_CPUID_MAX			0x4000ffff
 
 /*
- * Aliases for Group A features that have X64 in the name.
- * On x86/x64 these are HYPERV_CPUID_FEATURES.EAX bits.
- */
-
-#define HV_X64_MSR_VP_RUNTIME_AVAILABLE		\
-		HV_MSR_VP_RUNTIME_AVAILABLE
-#define HV_X64_MSR_SYNIC_AVAILABLE		\
-		HV_MSR_SYNIC_AVAILABLE
-#define HV_X64_MSR_APIC_ACCESS_AVAILABLE	\
-		HV_MSR_APIC_ACCESS_AVAILABLE
-#define HV_X64_MSR_HYPERCALL_AVAILABLE		\
-		HV_MSR_HYPERCALL_AVAILABLE
-#define HV_X64_MSR_VP_INDEX_AVAILABLE		\
-		HV_MSR_VP_INDEX_AVAILABLE
-#define HV_X64_MSR_RESET_AVAILABLE		\
-		HV_MSR_RESET_AVAILABLE
-#define HV_X64_MSR_GUEST_IDLE_AVAILABLE		\
-		HV_MSR_GUEST_IDLE_AVAILABLE
-#define HV_X64_ACCESS_FREQUENCY_MSRS		\
-		HV_ACCESS_FREQUENCY_MSRS
-#define HV_X64_ACCESS_REENLIGHTENMENT		\
-		HV_ACCESS_REENLIGHTENMENT
-#define HV_X64_ACCESS_TSC_INVARIANT		\
-		HV_ACCESS_TSC_INVARIANT
-
-/*
- * Aliases for Group B features that have X64 in the name.
- * On x86/x64 these are HYPERV_CPUID_FEATURES.EBX bits.
- */
-#define HV_X64_POST_MESSAGES		HV_POST_MESSAGES
-#define HV_X64_SIGNAL_EVENTS		HV_SIGNAL_EVENTS
-
-/*
  * Group D Features.  The bit assignments are custom to each architecture.
  * On x86/x64 these are HYPERV_CPUID_FEATURES.EDX bits.
  */

arch/x86/kernel/cpu/mshyperv.c

···
 			hv_host_info_edx >> 24, hv_host_info_edx & 0xFFFFFF);
 	}
 
-	if (ms_hyperv.features & HV_X64_ACCESS_FREQUENCY_MSRS &&
+	if (ms_hyperv.features & HV_ACCESS_FREQUENCY_MSRS &&
 	    ms_hyperv.misc_features & HV_FEATURE_FREQUENCY_MSRS_AVAILABLE) {
 		x86_platform.calibrate_tsc = hv_get_tsc_khz;
 		x86_platform.calibrate_cpu = hv_get_tsc_khz;
···
 		crash_kexec_post_notifiers = true;
 
 #ifdef CONFIG_X86_LOCAL_APIC
-	if (ms_hyperv.features & HV_X64_ACCESS_FREQUENCY_MSRS &&
+	if (ms_hyperv.features & HV_ACCESS_FREQUENCY_MSRS &&
 	    ms_hyperv.misc_features & HV_FEATURE_FREQUENCY_MSRS_AVAILABLE) {
 		/*
 		 * Get the APIC frequency.
···
 	machine_ops.shutdown = hv_machine_shutdown;
 	machine_ops.crash_shutdown = hv_machine_crash_shutdown;
 #endif
-	if (ms_hyperv.features & HV_X64_ACCESS_TSC_INVARIANT) {
+	if (ms_hyperv.features & HV_ACCESS_TSC_INVARIANT) {
 		wrmsrl(HV_X64_MSR_TSC_INVARIANT_CONTROL, 0x1);
 		setup_force_cpu_cap(X86_FEATURE_TSC_RELIABLE);
 	} else {
···
 	alloc_intr_gate(HYPERVISOR_CALLBACK_VECTOR, asm_sysvec_hyperv_callback);
 
 	/* Setup the IDT for reenlightenment notifications */
-	if (ms_hyperv.features & HV_X64_ACCESS_REENLIGHTENMENT) {
+	if (ms_hyperv.features & HV_ACCESS_REENLIGHTENMENT) {
 		alloc_intr_gate(HYPERV_REENLIGHTENMENT_VECTOR,
 				asm_sysvec_hyperv_reenlightenment);
 	}

arch/x86/kvm/hyperv.c

···
 			break;
 
 		case HYPERV_CPUID_FEATURES:
-			ent->eax |= HV_X64_MSR_VP_RUNTIME_AVAILABLE;
+			ent->eax |= HV_MSR_VP_RUNTIME_AVAILABLE;
 			ent->eax |= HV_MSR_TIME_REF_COUNT_AVAILABLE;
-			ent->eax |= HV_X64_MSR_SYNIC_AVAILABLE;
+			ent->eax |= HV_MSR_SYNIC_AVAILABLE;
 			ent->eax |= HV_MSR_SYNTIMER_AVAILABLE;
-			ent->eax |= HV_X64_MSR_APIC_ACCESS_AVAILABLE;
-			ent->eax |= HV_X64_MSR_HYPERCALL_AVAILABLE;
-			ent->eax |= HV_X64_MSR_VP_INDEX_AVAILABLE;
-			ent->eax |= HV_X64_MSR_RESET_AVAILABLE;
+			ent->eax |= HV_MSR_APIC_ACCESS_AVAILABLE;
+			ent->eax |= HV_MSR_HYPERCALL_AVAILABLE;
+			ent->eax |= HV_MSR_VP_INDEX_AVAILABLE;
+			ent->eax |= HV_MSR_RESET_AVAILABLE;
 			ent->eax |= HV_MSR_REFERENCE_TSC_AVAILABLE;
-			ent->eax |= HV_X64_ACCESS_FREQUENCY_MSRS;
-			ent->eax |= HV_X64_ACCESS_REENLIGHTENMENT;
+			ent->eax |= HV_ACCESS_FREQUENCY_MSRS;
+			ent->eax |= HV_ACCESS_REENLIGHTENMENT;
 
-			ent->ebx |= HV_X64_POST_MESSAGES;
-			ent->ebx |= HV_X64_SIGNAL_EVENTS;
+			ent->ebx |= HV_POST_MESSAGES;
+			ent->ebx |= HV_SIGNAL_EVENTS;
 
 			ent->edx |= HV_FEATURE_FREQUENCY_MSRS_AVAILABLE;
 			ent->edx |= HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE;