From mboxrd@z Thu Jan 1 00:00:00 1970 From: Radim =?utf-8?B?S3LEjW3DocWZ?= Subject: Re: [PATCH v1 03/11] KVM: x86: dynamic kvm_apic_map Date: Fri, 1 Jul 2016 17:35:07 +0200 Message-ID: <20160701153503.GF27840@potion> References: <20160630205429.16480-1-rkrcmar@redhat.com> <20160630205429.16480-4-rkrcmar@redhat.com> <20160701124421.GA2301@potion> <20160701143827.GE27840@potion> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Andrew Honig , linux-kernel@vger.kernel.org, kvm , "Lan, Tianyu" , Igor Mammedov , Jan Kiszka , Peter Xu To: Paolo Bonzini Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org 2016-07-01 17:06+0200, Paolo Bonzini: > On 01/07/2016 16:38, Radim Kr=C4=8Dm=C3=A1=C5=99 wrote: > On = the > other hand, I suspect you need to bump KVM_MAX_VCPU_ID beyond its > current default setting (which is equal to KVM_MAX_VCPUS), up to 511 = or > 1023. Yes, thanks for pointing it out. APIC ID 1023 is reasonably low and I'= m pretty sure that it cannot be surpassed with any topology of 288 VCPUs. (The limit should be 543, with 257 cores per package.)