diff options
Diffstat (limited to 'arch/arm64/kvm/reset.c')
| -rw-r--r-- | arch/arm64/kvm/reset.c | 38 |
1 files changed, 8 insertions, 30 deletions
diff --git a/arch/arm64/kvm/reset.c b/arch/arm64/kvm/reset.c index b1ad730e1567..5bc460884639 100644 --- a/arch/arm64/kvm/reset.c +++ b/arch/arm64/kvm/reset.c @@ -65,7 +65,7 @@ static bool cpu_has_32bit_el1(void) * We currently assume that the number of HW registers is uniform * across all CPUs (see cpuinfo_sanity_check). */ -int kvm_arch_dev_ioctl_check_extension(long ext) +int kvm_arch_dev_ioctl_check_extension(struct kvm *kvm, long ext) { int r; @@ -86,6 +86,12 @@ int kvm_arch_dev_ioctl_check_extension(long ext) case KVM_CAP_VCPU_ATTRIBUTES: r = 1; break; + case KVM_CAP_MSI_DEVID: + if (!kvm) + r = -EINVAL; + else + r = kvm->arch.vgic.msis_require_devid; + break; default: r = 0; } @@ -98,7 +104,7 @@ int kvm_arch_dev_ioctl_check_extension(long ext) * @vcpu: The VCPU pointer * * This function finds the right table above and sets the registers on - * the virtual CPU struct to their architectually defined reset + * the virtual CPU struct to their architecturally defined reset * values. */ int kvm_reset_vcpu(struct kvm_vcpu *vcpu) @@ -132,31 +138,3 @@ int kvm_reset_vcpu(struct kvm_vcpu *vcpu) /* Reset timer */ return kvm_timer_vcpu_reset(vcpu, cpu_vtimer_irq); } - -extern char __hyp_idmap_text_start[]; - -unsigned long kvm_hyp_reset_entry(void) -{ - if (!__kvm_cpu_uses_extended_idmap()) { - unsigned long offset; - - /* - * Find the address of __kvm_hyp_reset() in the trampoline page. - * This is present in the running page tables, and the boot page - * tables, so we call the code here to start the trampoline - * dance in reverse. - */ - offset = (unsigned long)__kvm_hyp_reset - - ((unsigned long)__hyp_idmap_text_start & PAGE_MASK); - - return TRAMPOLINE_VA + offset; - } else { - /* - * KVM is running with merged page tables, which don't have the - * trampoline page mapped. We know the idmap is still mapped, - * but can't be called into directly. Use - * __extended_idmap_trampoline to do the call. - */ - return (unsigned long)kvm_ksym_ref(__extended_idmap_trampoline); - } -} |