From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kiszka Subject: kvm: "warning: host doesn't support requested feature: CPUID.01H:ECX.x2apic [bit 21]" Date: Sat, 20 Feb 2016 09:09:32 +0100 Message-ID: <56C81F3C.4010006@web.de> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Transfer-Encoding: 7bit Cc: qemu-devel , kvm To: Eduardo Habkost , Paolo Bonzini Return-path: Received: from mout.web.de ([212.227.15.4]:57311 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1949024AbcBTIJl (ORCPT ); Sat, 20 Feb 2016 03:09:41 -0500 Sender: kvm-owner@vger.kernel.org List-ID: Hi all, I suppose 5120901a37 introduced this: qemu with kernel_irqchip=off now generates these warnings, one per VCPU, during QEMU startup. Is the plan to live with them until we finally have x2APIC emulation in userspace (ie. also MSR vmexiting to there), or should we otherwise avoid it? Thanks, Jan