From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: Features and bug fixes for Linux kernel 3.3 Date: Mon, 9 Jan 2012 16:32:30 -0500 Message-ID: <20120109213230.GD4773@phenom.dumpdata.com> References: <20120109183304.GA1287@phenom.dumpdata.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20120109183304.GA1287@phenom.dumpdata.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: xen-devel@lists.xensource.com, xen-users@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On Mon, Jan 09, 2012 at 01:33:04PM -0500, Konrad Rzeszutek Wilk wrote: > Hey, > > Linux 3.3 merge window opened last week and today I've asked Linus > to pulled some of the patches. This is what is going in through > the Xen tree: > > - SysFS documentation updates. We are slowly updating them to make sure that the SysFS > entires are properly documented. > - Making the grant system able to use more fancier types of grants to speed-up > guest to guest exchange of data (sub-page and transitive grants). > - Updates in the backends to be able to export the Xen backends in an > Hardware Virtualized Management (HVM) guest. We usually export those backends in > the initial domain (dom0), but are moving slowly to make it possible to do it any guest > (PV or HVM). NOTE: Only the netback version is in. The blkback needs an > Ack from Jens Axboe and while I am sure he will provide it it might be past the > merge window time-frame. > - Better driver to deal with memory type ioctls calls. In the past we were doing > ioctls on /proc/xen/priv_cmd (yuck) and with this are moving to doing it in > /dev/xen/priv_cmd. > - Fix a security issues were the guest could try to send a nasty (out of band) > message and potentially cause mishap. > - Remove duplicate initialization fields in the backend drivers. > - Jeremy is now working for a fancy new startup so changing the MAINTAINERS file to > reflect that his contribution are done during his private time. > - Sensible config options. We had some that weren't all that good so adjusting > them properly. > - Bug-fixes, fixing a bug in xen-pciback with the "Ownership but beware" bug. And in the Jens Axboe (block maintainer) we have patches to support the 'secure' DISCARD operation for blkfront/blkback. It is TRIM/UNMAP with the option of securely erasing the media.