4.4-stable review patch. If anyone has any objections, please let me know.
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From: David Hildenbrand david@redhat.com
(cherry picked from commit 6342c50ad12e8ce0736e722184a7dbdea4a3477f)
vmx_complete_nested_posted_interrupt() can't fail, let's turn it into a void function.
Signed-off-by: David Hildenbrand david@redhat.com Signed-off-by: Paolo Bonzini pbonzini@redhat.com Signed-off-by: David Woodhouse dwmw@amazon.co.uk [jwang: port to 4.4] Signed-off-by: Jack Wang jinpu.wang@profitbricks.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- arch/x86/kvm/vmx.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-)
--- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -4512,7 +4512,7 @@ static int vmx_cpu_uses_apicv(struct kvm return enable_apicv && lapic_in_kernel(vcpu); }
-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; @@ -4523,13 +4523,13 @@ static int vmx_complete_nested_posted_in 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); @@ -4542,7 +4542,6 @@ static int vmx_complete_nested_posted_in vmcs_write16(GUEST_INTR_STATUS, status); } } - return 0; }
static inline bool kvm_vcpu_trigger_posted_interrupt(struct kvm_vcpu *vcpu) @@ -10155,7 +10154,8 @@ static int vmx_check_nested_events(struc 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)