[PATCH 2/2] KVM: nVMX: vmx_complete_nested_posted_interrupt() can't fail

David Hildenbrand
2017-01-25T10:59:04Z

vmx_complete_nested_posted_interrupt() can't fail, let's turn it into
a void function.

Signed-off-by: David Hildenbrand <david@redhat.com>
---
arch/x86/kvm/vmx.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index a409fc4..832fef6 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -4953,7 +4953,7 @@ static bool vmx_get_enable_apicv(void)
return enable_apicv;
}

-static int vmx_complete_nested_posted_interrupt(struct kvm_vcpu *vcpu)
+static void vmx_complete_nested_posted_interrupt(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
int max_irr;
@@ -4964,13 +4964,13 @@ static int vmx_complete_nested_posted_interrupt(struct kvm_vcpu *vcpu)
vmx->nested.pi_pending) {
vmx->nested.pi_pending = false;
if (!pi_test_and_clear_on(vmx->nested.pi_desc))
- return 0;
+ return;

max_irr = find_last_bit(
(unsigned long *)vmx->nested.pi_desc->pir, 256);

if (max_irr == 256)
- return 0;
+ return;

vapic_page = kmap(vmx->nested.virtual_apic_page);
__kvm_apic_update_irr(vmx->nested.pi_desc->pir, vapic_page);
@@ -4983,7 +4983,6 @@ static int vmx_complete_nested_posted_interrupt(struct kvm_vcpu *vcpu)
vmcs_write16(GUEST_INTR_STATUS, status);
}
}
- return 0;
}

static inline bool kvm_vcpu_trigger_posted_interrupt(struct kvm_vcpu *vcpu)
@@ -10687,7 +10686,8 @@ static int vmx_check_nested_events(struct kvm_vcpu *vcpu, bool external_intr)
return 0;
}

- return vmx_complete_nested_posted_interrupt(vcpu);
+ vmx_complete_nested_posted_interrupt(vcpu);
+ return 0;
}

static u32 vmx_get_preemption_timer_value(struct kvm_vcpu *vcpu)
--
2.9.3