Re: [PATCH v2 4/4] KVM: x86: simplify kvm_apic_map

From: Paolo Bonzini
Date: Tue Apr 07 2015 - 08:38:37 EST




On 12/02/2015 19:41, Radim KrÄmÃÅ wrote:
> +static inline void
> +apic_logical_id(struct kvm_apic_map *map, u32 dest_id, u16 *cid, u16 *lid)
> +{
> + BUILD_BUG_ON(KVM_APIC_MODE_XAPIC_CLUSTER != 4);
> + BUILD_BUG_ON(KVM_APIC_MODE_XAPIC_FLAT != 8);
> + BUILD_BUG_ON(KVM_APIC_MODE_X2APIC != 16);
> +

I added

unsigned lid_bits = map->mode;

here (used in the rest of apic_logical_id) and applied the series.

Thanks,

Paolo

> + *cid = dest_id >> map->mode;
> + *lid = dest_id & ((1 << map->mode) - 1);
> +}
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