From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:47960) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UZMfK-0005I1-O4 for qemu-devel@nongnu.org; Mon, 06 May 2013 10:45:23 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UZMfG-0003OS-1y for qemu-devel@nongnu.org; Mon, 06 May 2013 10:45:22 -0400 Received: from thoth.sbs.de ([192.35.17.2]:31907) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UZMfF-0003Nz-OH for qemu-devel@nongnu.org; Mon, 06 May 2013 10:45:17 -0400 Message-ID: <5187C1F1.8060708@siemens.com> Date: Mon, 06 May 2013 16:45:05 +0200 From: Jan Kiszka MIME-Version: 1.0 References: <2a270b2aed38f019865f66dfa902f31cf7f36276.1367849167.git.jan.kiszka@siemens.com> <5187C0ED.4030400@redhat.com> In-Reply-To: <5187C0ED.4030400@redhat.com> Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [RFC][PATCH 12/15] vmware-vga: Accept unaligned I/O accesses List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini Cc: Liu Ping Fan , qemu-devel , =?ISO-8859-15?Q?Andreas_F=E4rbe?= =?ISO-8859-15?Q?r?= On 2013-05-06 16:40, Paolo Bonzini wrote: > Il 06/05/2013 16:26, Jan Kiszka ha scritto: >> Before switching to the memory core dispatcher, we need to make sure >> that this pv-device will continue to receive unaligned portio accesses. >> >> Signed-off-by: Jan Kiszka >> --- >> hw/display/vmware_vga.c | 4 ++++ >> 1 files changed, 4 insertions(+), 0 deletions(-) >> >> diff --git a/hw/display/vmware_vga.c b/hw/display/vmware_vga.c >> index fd3569d..ec41681 100644 >> --- a/hw/display/vmware_vga.c >> +++ b/hw/display/vmware_vga.c >> @@ -1241,6 +1241,10 @@ static const MemoryRegionOps vmsvga_io_ops = { >> .valid = { >> .min_access_size = 4, >> .max_access_size = 4, >> + .unaligned = true, >> + }, >> + .impl = { >> + .unaligned = true, >> }, >> }; >> >> > > The Xen platform device needs the same. OK, good to know. In theory, this should only affect weird PV, so I hope that is all. Jan -- Siemens AG, Corporate Technology, CT RTC ITP SDP-DE Corporate Competence Center Embedded Linux