linux-kernel - Re: [PATCH v3 11/14] KVM: x86: add KVM_CAP_X2APIC

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Message-ID: <3eb82f7c-6e8a-5c26-8c05-300cace7a991@redhat.com>
Date:	Wed, 13 Jul 2016 10:41:31 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Radim Krčmář <rkrcmar@...hat.com>,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Cc:	"Lan, Tianyu" <tianyu.lan@...el.com>,
	Igor Mammedov <imammedo@...hat.com>,
	Jan Kiszka <jan.kiszka@....de>, Peter Xu <peterx@...hat.com>,
	Yang Zhang <yang.zhang.wz@...il.com>
Subject: Re: [PATCH v3 11/14] KVM: x86: add KVM_CAP_X2APIC_API



On 12/07/2016 22:09, Radim Krčmář wrote:
> KVM_CAP_X2APIC_API is a capability for features related to x2APIC
> enablement.  KVM_X2APIC_API_32BIT_FORMAT feature can be enabled to
> extend APIC ID in get/set ioctl and MSI addresses to 32 bits.

Let's make it KVM_X2APIC_API_USE_32BIT_IDS instead, as this matches the
name of Add KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK ("verb adjective noun").

Paolo

> Both are needed to support x2APIC.