From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: [PART1 RFC v4 08/11] svm: Add VMEXIT handlers for AVIC Date: Wed, 13 Apr 2016 00:29:08 +0200 Message-ID: <570D76B4.1030703@redhat.com> References: <1460017232-17429-1-git-send-email-Suravee.Suthikulpanit@amd.com> <1460017232-17429-9-git-send-email-Suravee.Suthikulpanit@amd.com> <20160412162245.GD6762@potion.brq.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: joro@8bytes.org, bp@alien8.de, gleb@kernel.org, alex.williamson@redhat.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, wei@redhat.com, sherry.hurwitz@amd.com To: =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= , Suravee Suthikulpanit Return-path: In-Reply-To: <20160412162245.GD6762@potion.brq.redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On 12/04/2016 18:22, Radim Kr=C4=8Dm=C3=A1=C5=99 wrote: >> > + >> > + if (apic_id > 4 || cluster_id >=3D 0xf) >> > + return NULL; >> > + index =3D (cluster_id << 2) + apic_id; > ffs(apic_id), because 'apic_id' must be compacted into 2 bits. >=20 ffs(apic_id)-1 actually. Thanks for the review, Radim. Paolo