From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pasi =?iso-8859-1?Q?K=E4rkk=E4inen?= Subject: Re: status of PV drivers in Xen 4.0 Date: Tue, 20 Apr 2010 20:05:31 +0300 Message-ID: <20100420170531.GY1878@reaktio.net> References: <20100330060411.GT1878@reaktio.net> <4BBA14E6.70208@inria.fr> <20100410125850.GH1878@reaktio.net> <4BC3039C.8090602@inria.fr> <20100412155035.GZ1878@reaktio.net> <20100420161657.GX1878@reaktio.net> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Stefano Stabellini Cc: Guillaume Rousse , Andrew Lyon , "xen-devel@lists.xensource.com" List-Id: xen-devel@lists.xenproject.org On Tue, Apr 20, 2010 at 05:52:58PM +0100, Stefano Stabellini wrote: > On Tue, 20 Apr 2010, Pasi K=E4rkk=E4inen wrote: > > Getting pvops-based pv-on-hvm drivers to upstream Linux is the ultima= te goal of course :) > >=20 >=20 > I temporarily had to slow down my work on that because of other deadlin= es > I had in the last months, but soon I should be able to resume my work > full time. > I am currently trying to fix a save\restore bug that prevents pv > drivers or the domain from resuming correctly after a save\restore or a > migration. > In particular the call to dpm_suspend_start doesn't leave the kernel in > a good state in the PV on HVM case and I am not sure why: it seems to h= ang > half way through. > I need to call dpm_suspend_start because xenbus_dev_suspend has to be > called otherwise the pv drivers don't resume correctly. > Thanks for the update! Hmm.. I guess the code in the old xenlinux based pv-on-hvm drivers is dif= ferent enough so that it cannot be compared?=20 -- Pasi