From mboxrd@z Thu Jan 1 00:00:00 1970 From: Olaf Hering Subject: Re: Paging/sharing in 4.2 (Was: Re: 4.2 TODO update) Date: Mon, 12 Mar 2012 14:04:03 +0100 Message-ID: <20120312130403.GA6270@aepfle.de> References: <1331554278.23971.63.camel@zakaz.uk.xensource.com> <1331554805.23971.70.camel@zakaz.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <1331554805.23971.70.camel@zakaz.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Ian Campbell Cc: "Tim (Xen.org)" , Andres Lagar-Cavilla , "xen-devel@lists.xen.org" List-Id: xen-devel@lists.xenproject.org On Mon, Mar 12, Ian Campbell wrote: > On Mon, 2012-03-12 at 12:11 +0000, Ian Campbell wrote: > > [...] > > tools, blockers: > > [...] > > * Correct paging/sharing tools buffer mlocking (Tim, Andres, DONE) > > [...] > > hypervisor, nice to have: > > * solid implementation of sharing/paging/mem-events (using work > > queues) (Tim Deegan, Olaf Herring et al -- is this happening? is > > it DONE even?) The last patch to use a waitqueue in __get_gfn_type_access() from Tim works. However, there are a few users who call __get_gfn_type_access with the domain_lock held. This part needs to be addressed in some way. > > tools, nice to have: > > [...] > > * Configure/control paging via xl/libxl (Olaf Herring, lots of > > discussion around interface) > > Is this a reasonable summary of the state of the paging/sharing & > friends world for 4.2? Is there anything missing? There are indeed alot of ideas regarding the interface, and its currently not clear to me if there is an agreement yet. Was there any outcome where to proceed? Olaf