From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LzaKu-0000FF-3w for qemu-devel@nongnu.org; Thu, 30 Apr 2009 13:46:16 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LzaKp-0000Dt-AX for qemu-devel@nongnu.org; Thu, 30 Apr 2009 13:46:15 -0400 Received: from [199.232.76.173] (port=43262 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LzaKp-0000Dl-5N for qemu-devel@nongnu.org; Thu, 30 Apr 2009 13:46:11 -0400 Received: from e8.ny.us.ibm.com ([32.97.182.138]:52347) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1LzaKo-0003BJ-Ds for qemu-devel@nongnu.org; Thu, 30 Apr 2009 13:46:10 -0400 Received: from d01relay06.pok.ibm.com (d01relay06.pok.ibm.com [9.56.227.116]) by e8.ny.us.ibm.com (8.13.1/8.13.1) with ESMTP id n3UHagMX001349 for ; Thu, 30 Apr 2009 13:36:42 -0400 Received: from d03av04.boulder.ibm.com (d03av04.boulder.ibm.com [9.17.195.170]) by d01relay06.pok.ibm.com (8.13.8/8.13.8/NCO v9.2) with ESMTP id n3UHk3U5897194 for ; Thu, 30 Apr 2009 13:46:04 -0400 Received: from d03av04.boulder.ibm.com (loopback [127.0.0.1]) by d03av04.boulder.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id n3UHjlUY026489 for ; Thu, 30 Apr 2009 11:45:48 -0600 Message-ID: <49F9E3C9.8030903@us.ibm.com> Date: Thu, 30 Apr 2009 12:45:45 -0500 From: Anthony Liguori MIME-Version: 1.0 References: <20090430161508.GA15893@redhat.com> <20090430171526.GA10638@amt.cnet> <20090430172955.GA16925@redhat.com> In-Reply-To: <20090430172955.GA16925@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] Re: questions on default_config_write in hw/pci.c List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Michael S. Tsirkin" Cc: Marcelo Tosatti , Avi Kivity , qemu-devel@nongnu.org Michael S. Tsirkin wrote: >>> 4. Still there, there's some handling done for type 1 devices. >>> This support seems imcomplete. >>> Are there any PCI-to-PCI bridges emulated by qemu? >>> Would it make sense to remove this code? >>> >> It did work at one point: >> >> http://www.mail-archive.com/kvm-devel@lists.sourceforge.net/msg16647.html >> > > Sigh. I guess I'll have to fix it rather than just rip it out then ... > What I refer to first of all is that writes to BAR registers go through > logic for regular PCI devices, which have a different layout. > Does this make sense for some reason? > > IIRC, it didn't actually work as expected. Marcelo? -- Regards, Anthony Liguori