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Re: [Xen-devel] Xen 4.2 Release Plan / TODO

On Thu, 2012-03-22 at 10:38 +0000, Ian Campbell wrote:
> On Thu, 2012-03-22 at 10:34 +0000, George Dunlap wrote:
> > The devices in fact don't work quite right, AFAICT.  So I'm gathering
> > that the "quirks" lists areas of PCI configuration space which it is
> > safe for pciback to allow the guest to modify.  (I'm going to hack
> > libxl to set "permissive" to test this theory.)
> I think that based on what Keir says we should just expose the
> permissive setting in xl/libxl for the time being, that's a far simpler
> patch. No need for the full power of per-register whitelisting

Looks like this is just a case of writing the BDF of a device to a sysfs
node or booting with xen-pciback.permissive=1 to turn it on globally.
Possibly this could be "fixed" purely by documentation? I've added it to
the TODO as a nice to have with George's name next to it, hope that's


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