diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 45c5a32aa6fe..1e75bca8e6a6 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -67,7 +67,7 @@ DECLARE_STATIC_KEY_FALSE(userspace_irqchip_in_use); extern unsigned int kvm_sve_max_vl; int kvm_arm_init_sve(void); -int __attribute_const__ kvm_target_cpu(void); +u32 __attribute_const__ kvm_target_cpu(void); int kvm_reset_vcpu(struct kvm_vcpu *vcpu); void kvm_arm_vcpu_destroy(struct kvm_vcpu *vcpu); diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 5f058b858646..00ae74b1b6e1 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -1038,7 +1038,7 @@ static int kvm_vcpu_set_target(struct kvm_vcpu *vcpu, const struct kvm_vcpu_init *init) { unsigned int i, ret; - int phys_target = kvm_target_cpu(); + u32 phys_target = kvm_target_cpu(); if (init->target != phys_target) return -EINVAL; @@ -1974,11 +1974,6 @@ static int finalize_hyp_mode(void) return 0; } -static void check_kvm_target_cpu(void *ret) -{ - *(int *)ret = kvm_target_cpu(); -} - struct kvm_vcpu *kvm_mpidr_to_vcpu(struct kvm *kvm, unsigned long mpidr) { struct kvm_vcpu *vcpu; @@ -2038,7 +2033,6 @@ void kvm_arch_irq_bypass_start(struct irq_bypass_consumer *cons) int kvm_arch_init(void *opaque) { int err; - int ret, cpu; bool in_hyp_mode; if (!is_hyp_mode_available()) { @@ -2053,14 +2047,6 @@ int kvm_arch_init(void *opaque) kvm_info("Guests without required CPU erratum workarounds can deadlock system!\n" \ "Only trusted guests should be used on this system.\n"); - for_each_online_cpu(cpu) { - smp_call_function_single(cpu, check_kvm_target_cpu, &ret, 1); - if (ret < 0) { - kvm_err("Error, CPU %d not supported!\n", cpu); - return -ENODEV; - } - } - err = kvm_set_ipa_limit(); if (err) return err; diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c index 015fc1077ad6..450b1bf5bd00 100644 --- a/arch/arm64/kvm/guest.c +++ b/arch/arm64/kvm/guest.c @@ -822,7 +822,7 @@ int __kvm_arm_vcpu_set_events(struct kvm_vcpu *vcpu, return 0; } -int __attribute_const__ kvm_target_cpu(void) +u32 __attribute_const__ kvm_target_cpu(void) { unsigned long implementor = read_cpuid_implementor(); unsigned long part_number = read_cpuid_part_number(); @@ -854,7 +854,7 @@ int __attribute_const__ kvm_target_cpu(void) int kvm_vcpu_preferred_target(struct kvm_vcpu_init *init) { - int target = kvm_target_cpu(); + u32 target = kvm_target_cpu(); if (target < 0) return -ENODEV;