From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1JGhuC-000640-07 for qemu-devel@nongnu.org; Sun, 20 Jan 2008 16:40:40 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1JGhuA-00061Z-JP for qemu-devel@nongnu.org; Sun, 20 Jan 2008 16:40:39 -0500 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JGhuA-00061W-Gm for qemu-devel@nongnu.org; Sun, 20 Jan 2008 16:40:38 -0500 Received: from an-out-0708.google.com ([209.85.132.240]) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1JGhuA-00071T-6E for qemu-devel@nongnu.org; Sun, 20 Jan 2008 16:40:38 -0500 Received: by an-out-0708.google.com with SMTP id b38so502036ana.130 for ; Sun, 20 Jan 2008 13:40:36 -0800 (PST) Message-ID: <4793BFDC.1050707@codemonkey.ws> Date: Sun, 20 Jan 2008 15:40:44 -0600 From: Anthony Liguori MIME-Version: 1.0 Subject: Re: [Qemu-devel] VMport patch References: <5b31733c0801201047o283aad77ndaae4ea23a1525d@mail.gmail.com> In-Reply-To: <5b31733c0801201047o283aad77ndaae4ea23a1525d@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Filip Navara wrote: > Hello, > > the current version of QEMU emulates the VMware backdoor I/O port and > it works quite well. Unfortunately it doesn't emulate the VMware > behavior of ignoring the I/O permissions when accessing this special > port. The attached patch corrects it. It's important to ignore the > permissions, so that user mode VMware tools can communicate to the > backdoor. = I really dislike that VMware relies on this. It's very hard to implement in kqemu or KVM. I think it would be better to modify open-vm-tools than to modify QEMU. Regards, Anthony Liguori > Best regards, > Filip Navara