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KVM: x86: hyper-v: Use common code for hypercall userspace exit

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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>
This commit is contained in:
Vipin Sharma
2022-12-12 10:37:15 -08:00
committed by Sean Christopherson
parent 2eb398df77
commit 1a9df3262a
1 changed files with 11 additions and 16 deletions
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27
arch/x86/kvm/hyperv.c
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@@ -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)