From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52389) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1awENr-0007Sn-3t for qemu-devel@nongnu.org; Fri, 29 Apr 2016 15:47:33 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1awENc-0005Pg-L2 for qemu-devel@nongnu.org; Fri, 29 Apr 2016 15:47:18 -0400 Received: from mx1.redhat.com ([209.132.183.28]:37367) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1awENc-0005Ja-FL for qemu-devel@nongnu.org; Fri, 29 Apr 2016 15:47:12 -0400 Date: Fri, 29 Apr 2016 21:46:56 +0200 From: Radim =?utf-8?B?S3LEjW3DocWZ?= Message-ID: <20160429194656.GF15747@potion> References: <1461827144-6937-1-git-send-email-peterx@redhat.com> <1461827144-6937-19-git-send-email-peterx@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1461827144-6937-19-git-send-email-peterx@redhat.com> Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] [PATCH v5 18/18] ioapic: clear remote irr bit for edge-triggered interrupts List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Xu Cc: qemu-devel@nongnu.org, imammedo@redhat.com, rth@twiddle.net, ehabkost@redhat.com, jasowang@redhat.com, marcel@redhat.com, mst@redhat.com, pbonzini@redhat.com, jan.kiszka@web.de, alex.williamson@redhat.com, wexu@redhat.com 2016-04-28 15:05+0800, Peter Xu: > This is to better emulate IOAPIC version 0x1X hardware. Linux kernel > leveraged this "feature" to do explicit EOI since EOI register is still > not introduced at that time. This will also fix the issue that level > triggered interrupts failed to work when IR enabled (tested with Linux > kernel version 4.5). >=20 > Signed-off-by: Peter Xu > --- Reviewed-by: Radim Kr=C4=8Dm=C3=A1=C5=99