From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:51528) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Taqjt-0002Zu-Mb for qemu-devel@nongnu.org; Tue, 20 Nov 2012 11:32:03 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Taqjr-0004cc-Le for qemu-devel@nongnu.org; Tue, 20 Nov 2012 11:31:57 -0500 Received: from odin2.bull.net ([129.184.85.11]:57796) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Taqjr-0004c2-Fs for qemu-devel@nongnu.org; Tue, 20 Nov 2012 11:31:55 -0500 Received: from MSGC-003.bull.fr (MSGC-003.frcl.bull.fr [129.184.87.131]) by odin2.bull.net (Bull S.A.) with ESMTP id 62E251CE07 for ; Tue, 20 Nov 2012 17:31:54 +0100 (CET) Message-ID: <50ABB0A4.9030600@bull.net> Date: Tue, 20 Nov 2012 17:32:36 +0100 From: Francois WELLENREITER MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] PCI CAS implementation in qemu List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Hi there, I order to develop a qemu module, I aim to use the PCI CAS (compare and=20 swap) function to guarantee an atomic access somewhere in the guest memory (in a=20 multi-core emulation case). Nevertheless, I did not find any routine in qemu implementing this functi= on. Could anyone on this list tell me if this is implemented and if that's=20 not the case, if this would be hard to get implemented ? Thanks in advance for any answer. Regards, Fran=E7ois --=20 Fran=E7ois WELLENREITER Bull - R&D Extreme Computing - Grenoble francois.wellenreiter@bull.net -- Bull, Architect of an Open World http://www.bull.com Bull World Web TV: http://www.bull-world.com/ Career opportunities at Bull: http://www.bull.fr/emploi This e-mail contains material that is confidential for the sole use of th= e intended recipient. Any review, reliance or distribution by others or forwarding without expr= ess permission is strictly prohibited. If you are not the intended recipient, please contact the sender and dele= te all copies.