From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754569AbdBHPIK (ORCPT ); Wed, 8 Feb 2017 10:08:10 -0500 Received: from mx1.redhat.com ([209.132.183.28]:58038 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752968AbdBHPIH (ORCPT ); Wed, 8 Feb 2017 10:08:07 -0500 Subject: Re: [PATCH v2 0/6] KVM: x86: cleanup and speedup for APICv To: =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= References: <1482164232-130035-1-git-send-email-pbonzini@redhat.com> <20170207215217.GG31091@potion> <6d7ba1e5-5da0-f2ea-bc73-c6b04a055a9b@redhat.com> <20170208133344.GI31091@potion> Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org From: Paolo Bonzini Message-ID: <17f03111-627d-861e-49b6-c7cc081eadeb@redhat.com> Date: Wed, 8 Feb 2017 16:01:06 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: <20170208133344.GI31091@potion> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Wed, 08 Feb 2017 15:01:09 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 08/02/2017 14:33, Radim Krčmář wrote: > 2017-02-08 11:04+0100, Paolo Bonzini: >> On 07/02/2017 22:52, Radim Krčmář wrote: >>> there might be some rough >>> edges with nested, but it was broken even before, and they fix at least >>> one known bug. >> >> I don't think so, nested IRQ injection is tested very well. Why do you >> say it was broken even before? > > I was basing on recent bug report where we missed IOMMU injection in a > non-nested case [1]. While we do cover the non-nested case with this > series, I think we still miss posted interrupts from IOMMU that should > trigger a nested VM exit from L2 to L1 -- details in review of [6/6]. > > 1: http://www.spinics.net/lists/kvm/msg144355.html Uh, nice. Totally missed that. Paolo