From owner-freebsd-xen@FreeBSD.ORG Thu Mar 21 13:03:56 2013 Return-Path: Delivered-To: freebsd-xen@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 805A68D2; Thu, 21 Mar 2013 13:03:56 +0000 (UTC) (envelope-from gibbs@freebsd.org) Received: from aslan.scsiguy.com (ns1.scsiguy.com [70.89.174.89]) by mx1.freebsd.org (Postfix) with ESMTP id 582056E4; Thu, 21 Mar 2013 13:03:56 +0000 (UTC) Received: from [192.168.0.99] (macbook.scsiguy.com [192.168.0.99]) (authenticated bits=0) by aslan.scsiguy.com (8.14.5/8.14.5) with ESMTP id r2LD3rlU004617 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NO); Thu, 21 Mar 2013 07:03:53 -0600 (MDT) (envelope-from gibbs@freebsd.org) Content-Type: text/plain; charset=iso-8859-1 Mime-Version: 1.0 (Mac OS X Mail 6.3 \(1503\)) Subject: Re: Difference in event channel implementation for Xen PV vs HVM guests From: "Justin T. Gibbs" In-Reply-To: <514B0219.3040704@citrix.com> Date: Thu, 21 Mar 2013 07:03:55 -0600 Content-Transfer-Encoding: quoted-printable Message-Id: <594AC468-E971-4482-9CF6-27B93D35A267@freebsd.org> References: <51470A2B.5040609@citrix.com> <9AE68E59-739C-499C-9991-0C84D4584981@freebsd.org> <514B0073.4070406@citrix.com> <514B0219.3040704@citrix.com> To: =?iso-8859-1?Q?Roger_Pau_Monn=E9?= X-Mailer: Apple Mail (2.1503) X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.7 (aslan.scsiguy.com [192.168.0.4]); Thu, 21 Mar 2013 07:03:53 -0600 (MDT) Cc: "freebsd-xen@freebsd.org" , "freebsd-virtualization@freebsd.org" X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Mar 2013 13:03:56 -0000 On Mar 21, 2013, at 6:50 AM, Roger Pau Monn=E9 = wrote: > On 21/03/13 13:43, Roger Pau Monn=E9 wrote: >> On 18/03/13 14:08, Justin T. Gibbs wrote: >>> Hi Roger, >>>=20 >>> I know of no reasons why XENHVM cannot use the full event channel >>> interface. In fact, Spectra Logic implemented PV timers and a >>> general cleanup of the HVM event channel interface. I haven't = merged >>> it back yet because I know the changes break PV and I haven't found >>> time to clean up the PV code, merge the HVM and PV event channel >>> systems, and move IPI/MSI delivery to event channels. >>>=20 >>> I've uploaded Spectra's changes here: >>>=20 >>> http://people.freebsd.org/~gibbs/xen_ev/ >>=20 >> Hi Justin, >>=20 >> There's at least one file which seems to be missing: >=20 > Ops, there at least two files missing: >=20 > sys/x86/xen/hvm.c > sys/xen/evtchn/evtchnvar.h I've regenerated the archive with those two files added. -- Justin=