On 29/01/2015 22:48, Radim Krčmář wrote:
> The majority of this patch turns
> result = 0; if (CODE) result = 1; return result;
> into
> return CODE;
> because we return bool now.
Added a bunch of "!= 0" to avoid automagic conversion to bool.
Paolo
> Signed-off-by: Radim Krčmář <rkrc...@redhat.com>
> ---
> arch/x86/kvm/lapic.c | 44 +++++++++++++++-----------------------------
> 1 file changed, 15 insertions(+), 29 deletions(-)
>
> diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
> index 478dd8bd653b..271e7d076879 100644
> --- a/arch/x86/kvm/lapic.c
> +++ b/arch/x86/kvm/lapic.c
> @@ -594,42 +594,34 @@ static bool kvm_apic_match_physical_addr(struct
> kvm_lapic *apic, u32 dest)
>
> static bool kvm_apic_match_logical_addr(struct kvm_lapic *apic, u32 mda)
> {
> - int result = 0;
> u32 logical_id;
>
> if (kvm_apic_broadcast(apic, mda))
> - return 1;
> + return true;
>
> - if (apic_x2apic_mode(apic)) {
> - logical_id = kvm_apic_get_reg(apic, APIC_LDR);
> + logical_id = kvm_apic_get_reg(apic, APIC_LDR);
> +
> + if (apic_x2apic_mode(apic))
> return logical_id & mda;
> - }
>
> - logical_id = GET_APIC_LOGICAL_ID(kvm_apic_get_reg(apic, APIC_LDR));
> + logical_id = GET_APIC_LOGICAL_ID(logical_id);
>
> switch (kvm_apic_get_reg(apic, APIC_DFR)) {
> case APIC_DFR_FLAT:
> - if (logical_id & mda)
> - result = 1;
> - break;
> + return logical_id & mda;
> case APIC_DFR_CLUSTER:
> - if (((logical_id >> 4) == (mda >> 0x4))
> - && (logical_id & mda & 0xf))
> - result = 1;
> - break;
> + return ((logical_id >> 4) == (mda >> 4))
> + && (logical_id & mda & 0xf);
> default:
> apic_debug("Bad DFR vcpu %d: %08x\n",
> apic->vcpu->vcpu_id, kvm_apic_get_reg(apic,
> APIC_DFR));
> - break;
> + return false;
> }
> -
> - return result;
> }
>
> bool kvm_apic_match_dest(struct kvm_vcpu *vcpu, struct kvm_lapic *source,
> int short_hand, unsigned int dest, int dest_mode)
> {
> - int result = 0;
> struct kvm_lapic *target = vcpu->arch.apic;
>
> apic_debug("target %p, source %p, dest 0x%x, "
> @@ -641,27 +633,21 @@ bool kvm_apic_match_dest(struct kvm_vcpu *vcpu, struct
> kvm_lapic *source,
> case APIC_DEST_NOSHORT:
> if (dest_mode == 0)
> /* Physical mode. */
> - result = kvm_apic_match_physical_addr(target, dest);
> + return kvm_apic_match_physical_addr(target, dest);
> else
> /* Logical mode. */
> - result = kvm_apic_match_logical_addr(target, dest);
> - break;
> + return kvm_apic_match_logical_addr(target, dest);
> case APIC_DEST_SELF:
> - result = (target == source);
> - break;
> + return target == source;
> case APIC_DEST_ALLINC:
> - result = 1;
> - break;
> + return true;
> case APIC_DEST_ALLBUT:
> - result = (target != source);
> - break;
> + return target != source;
> default:
> apic_debug("kvm: apic: Bad dest shorthand value %x\n",
> short_hand);
> - break;
> + return false;
> }
> -
> - return result;
> }
>
> bool kvm_irq_delivery_to_apic_fast(struct kvm *kvm, struct kvm_lapic *src,
>
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