From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753893AbbCFAHm (ORCPT ); Thu, 5 Mar 2015 19:07:42 -0500 Received: from mx1.redhat.com ([209.132.183.28]:48052 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753508AbbCFAHk (ORCPT ); Thu, 5 Mar 2015 19:07:40 -0500 Date: Thu, 5 Mar 2015 21:07:21 -0300 From: Marcelo Tosatti To: Wincy Van Cc: pbonzini@redhat.com, bsd@redhat.com, yang.z.zhang@intel.com, wanpeng.li@linux.intel.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/1] KVM: ioapic: Record edge-triggered interrupts delivery status. Message-ID: <20150306000721.GA10709@amt.cnet> References: <1419390869-1636-1-git-send-email-fanwenyi0529@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1419390869-1636-1-git-send-email-fanwenyi0529@gmail.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 24, 2014 at 11:14:29AM +0800, Wincy Van wrote: > This patch fixes the bug discussed in > https://www.mail-archive.com/kvm@vger.kernel.org/msg109813.html > > This patch uses a new field named irr_delivered to record the > delivery status of edge-triggered interrupts, and clears the > delivered interrupts in kvm_get_ioapic. So it has the same effect > of commit 0bc830b05c667218d703f2026ec866c49df974fc > ("KVM: ioapic: clear IRR for edge-triggered interrupts at delivery") > while avoids the bug of Windows guests. > > Signed-off-by: Wincy Van Applied, thanks.