From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: [PATCH 7/8] KVM: x86: avoid logical_map when it is invalid Date: Fri, 30 Jan 2015 10:19:42 +0100 Message-ID: <54CB4CAE.2080200@redhat.com> References: <1422568135-28402-1-git-send-email-rkrcmar@redhat.com> <1422568135-28402-8-git-send-email-rkrcmar@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: kvm@vger.kernel.org, Nadav Amit , Gleb Natapov To: =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= , linux-kernel@vger.kernel.org Return-path: In-Reply-To: <1422568135-28402-8-git-send-email-rkrcmar@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On 29/01/2015 22:48, Radim Kr=C4=8Dm=C3=A1=C5=99 wrote: > We want to support mixed modes and the easiest solution is to avoid > optimizing those weird and unlikely scenarios. Hmm, what happens if use maxcpus to disable some CPUs at startup? Coul= d the disabled CPUs remain in xapic mode while the others move to x2apic? Paolo