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KVM: VMX: Introduce pi_is_pir_empty() helper
Streamline the PID.PIR check and change its call sites to use the newly added helper. Suggested-by: Liran Alon <liran.alon@oracle.com> Signed-off-by: Joao Martins <joao.m.martins@oracle.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -1305,7 +1305,7 @@ static void vmx_vcpu_pi_load(struct kvm_vcpu *vcpu, int cpu)
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*/
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smp_mb__after_atomic();
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if (!bitmap_empty((unsigned long *)pi_desc->pir, NR_VECTORS))
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if (!pi_is_pir_empty(pi_desc))
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pi_set_on(pi_desc);
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}
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@ -6184,8 +6184,7 @@ static bool vmx_dy_apicv_has_pending_interrupt(struct kvm_vcpu *vcpu)
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struct pi_desc *pi_desc = vcpu_to_pi_desc(vcpu);
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return pi_test_on(pi_desc) ||
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(pi_test_sn(pi_desc) &&
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!bitmap_empty((unsigned long *)pi_desc->pir, NR_VECTORS));
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(pi_test_sn(pi_desc) && !pi_is_pir_empty(pi_desc));
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}
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static void vmx_load_eoi_exitmap(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap)
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@ -355,6 +355,11 @@ static inline int pi_test_and_set_pir(int vector, struct pi_desc *pi_desc)
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return test_and_set_bit(vector, (unsigned long *)pi_desc->pir);
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}
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static inline bool pi_is_pir_empty(struct pi_desc *pi_desc)
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{
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return bitmap_empty((unsigned long *)pi_desc->pir, NR_VECTORS);
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}
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static inline void pi_set_sn(struct pi_desc *pi_desc)
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{
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set_bit(POSTED_INTR_SN,
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