summaryrefslogtreecommitdiff
path: root/arch/x86/kvm
diff options
context:
space:
mode:
authorVipin Sharma <vipinsh@google.com>2022-12-12 21:37:15 +0300
committerSean Christopherson <seanjc@google.com>2023-02-02 00:41:44 +0300
commit1a9df3262a632020071327abf56e9243e4dd7bde (patch)
tree6f27a484d7c71882d1c2a3f37fa0abbc75924e28 /arch/x86/kvm
parent2eb398df77a1bae6839df39193f6bca35ea65f87 (diff)
downloadlinux-1a9df3262a632020071327abf56e9243e4dd7bde.tar.xz
KVM: x86: hyper-v: Use common code for hypercall userspace exit
Remove duplicate code to exit to userspace for hyper-v hypercalls and use a common place to exit. No functional change intended. Signed-off-by: Vipin Sharma <vipinsh@google.com> Suggested-by: Sean Christopherson <seanjc@google.com> Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com> Link: https://lore.kernel.org/r/20221212183720.4062037-9-vipinsh@google.com Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'arch/x86/kvm')
-rw-r--r--arch/x86/kvm/hyperv.c27
1 files changed, 11 insertions, 16 deletions
diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
index 71aff0edc0ed..c3d1c5212b0b 100644
--- a/arch/x86/kvm/hyperv.c
+++ b/arch/x86/kvm/hyperv.c
@@ -2531,14 +2531,7 @@ int kvm_hv_hypercall(struct kvm_vcpu *vcpu)
ret = HV_STATUS_INVALID_HYPERCALL_INPUT;
break;
}
- vcpu->run->exit_reason = KVM_EXIT_HYPERV;
- vcpu->run->hyperv.type = KVM_EXIT_HYPERV_HCALL;
- vcpu->run->hyperv.u.hcall.input = hc.param;
- vcpu->run->hyperv.u.hcall.params[0] = hc.ingpa;
- vcpu->run->hyperv.u.hcall.params[1] = hc.outgpa;
- vcpu->arch.complete_userspace_io =
- kvm_hv_hypercall_complete_userspace;
- return 0;
+ goto hypercall_userspace_exit;
case HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST:
if (unlikely(hc.var_cnt)) {
ret = HV_STATUS_INVALID_HYPERCALL_INPUT;
@@ -2597,14 +2590,7 @@ int kvm_hv_hypercall(struct kvm_vcpu *vcpu)
ret = HV_STATUS_OPERATION_DENIED;
break;
}
- vcpu->run->exit_reason = KVM_EXIT_HYPERV;
- vcpu->run->hyperv.type = KVM_EXIT_HYPERV_HCALL;
- vcpu->run->hyperv.u.hcall.input = hc.param;
- vcpu->run->hyperv.u.hcall.params[0] = hc.ingpa;
- vcpu->run->hyperv.u.hcall.params[1] = hc.outgpa;
- vcpu->arch.complete_userspace_io =
- kvm_hv_hypercall_complete_userspace;
- return 0;
+ goto hypercall_userspace_exit;
}
default:
ret = HV_STATUS_INVALID_HYPERCALL_CODE;
@@ -2613,6 +2599,15 @@ int kvm_hv_hypercall(struct kvm_vcpu *vcpu)
hypercall_complete:
return kvm_hv_hypercall_complete(vcpu, ret);
+
+hypercall_userspace_exit:
+ vcpu->run->exit_reason = KVM_EXIT_HYPERV;
+ vcpu->run->hyperv.type = KVM_EXIT_HYPERV_HCALL;
+ vcpu->run->hyperv.u.hcall.input = hc.param;
+ vcpu->run->hyperv.u.hcall.params[0] = hc.ingpa;
+ vcpu->run->hyperv.u.hcall.params[1] = hc.outgpa;
+ vcpu->arch.complete_userspace_io = kvm_hv_hypercall_complete_userspace;
+ return 0;
}
void kvm_hv_init_vm(struct kvm *kvm)