[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH V1 18/29] xen/arm: Don't map disabled device in DOM0
On Mon, 2013-09-09 at 22:59 +0100, Julien Grall wrote: > On 09/09/2013 12:40 PM, Ian Campbell wrote: > > On Wed, 2013-08-28 at 15:47 +0100, Julien Grall wrote: > >> Linux should cope with 'status = "disabled"' in the Device Tree. > > > > This is devices which were disabled in the DT passed to Xen, rather than > > ones which we have disabled ourselves (e.g. the previous patch)? > > Yes. > > > >> This solution can be used later to pass-through device to a specific guest. > > > > How? I thought disabled meant "not present/wired-up on this variant of > > the platform"? A user cannot be expected to edit the host DTB to enable > > passthrough. We might want a dtb_hide cmdline option, or to do it > > dynamically like pciback is capable of. > > Disabled also means "the device is not presently operational, but it > might become operational in the future". > > > Or maybe I'm wrong above and this is indeed devices we have disabled > > ourselves? > > I'm not sure it's usefull. But I don't see any reason to map disabled > device in dom0. Agreed, I just think the reference to passthrough in the changelog is not relevant to this and might not be accurate. Ian. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
|
Lists.xenproject.org is hosted with RackSpace, monitoring our |