> -----Original Message----- > From: Ian Campbell [mailto:ian.campb...@citrix.com] > Sent: 11 May 2015 09:42 > To: Wei Liu > Cc: Paul Durrant; Fabio Fantoni; xen-devel; win-pv- > de...@lists.xenproject.org; Anthony Perard; Stefano Stabellini > Subject: Re: [win-pv-devel] Question about windows domU long boot time in > xen and help for update libxl virtio patch (for a test) > > On Sat, 2015-05-09 at 14:28 +0100, Wei Liu wrote: > > On Fri, May 08, 2015 at 05:47:25PM +0100, Paul Durrant wrote: > > > I'm using the seabios image from the Xen build. Turns out that it's > > built with CONFIG_ATA_DMA off (because that's not set when you run > > make defconfig). Turning that on manually in the config and rebuilding > > makes things a *lot* faster :-) > > > > > > > Maybe we should turn that on in our build? > > Right now we just consume the upstream defconfig without any > modifications, so my preference would be to try and get them to enable > ATA_DMA by default (i.e. by sending a patch). > > If they don't want to do this for some reason (and those reasons don't > apply to us) then we should consider tweaking the config locally. > > NB many distros want to ship only a single image, so getting this turned > on globally would be a better approach. >
Agreed. I'll see if I can formulate a patch sometime this week. Paul > Ian. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
