From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Cs2ac-0001S3-4l for qemu-devel@nongnu.org; Fri, 21 Jan 2005 12:28:57 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Cs2aL-0001KU-Cc for qemu-devel@nongnu.org; Fri, 21 Jan 2005 12:28:38 -0500 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Cs2aL-0001KQ-3B for qemu-devel@nongnu.org; Fri, 21 Jan 2005 12:28:37 -0500 Received: from [80.91.229.2] (helo=main.gmane.org) by monty-python.gnu.org with esmtp (Exim 4.34) id 1Cs2Gx-0005qS-TD for qemu-devel@nongnu.org; Fri, 21 Jan 2005 12:08:36 -0500 Received: from list by main.gmane.org with local (Exim 3.35 #1 (Debian)) id 1Cs2Gw-00031r-00 for ; Fri, 21 Jan 2005 18:08:34 +0100 Received: from c-67-169-147-60.client.comcast.net ([67.169.147.60]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 21 Jan 2005 18:08:34 +0100 Received: from blp by c-67-169-147-60.client.comcast.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 21 Jan 2005 18:08:34 +0100 From: Ben Pfaff Date: Fri, 21 Jan 2005 09:08:27 -0800 Message-ID: <87hdlasoac.fsf@benpfaff.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: news Subject: [Qemu-devel] Re: Hyperthreading in the VM host Reply-To: blp@cs.stanford.edu, 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 Julian Chesterfield writes: > My understanding is that Qemu does not support hyperthreading in the host > OS. I'm wondering what the arguments are for and against such support. Is it > in fact architecturally feasible and could there potentially be any performance > gain? Why do you think qemu does not support a hyperthreaded host? I have no reason to believe that it does not, and I am curious why you think otherwise. -- Ben Pfaff email: blp@cs.stanford.edu web: http://benpfaff.org