Re: [Xen-devel] RFC: Automatically making a PCI device assignable in the config file

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

George Dunlap writes ("Re: [Xen-devel] RFC: Automatically making a PCI device 
assignable in the config file"):
> On Thu, Jul 11, 2013 at 12:35 PM, David Vrabel <david.vrabel@xxxxxxxxxx> 
> wrot> > I don't think this proposal really helps with avoiding this.  I think
> > most people will end up always adding 'seize=1' because to avoid having
> > to do so means altering config files elsewhere and rebooting.
> 
> I guess what I'm worried about is the fact that we would be changing
> things that are now "safe" to things that are not safe.  At the
> moment, "xl pci-assignable-add" might yank out a system device if you
> make a typo; but it was introduced that way, so people always had to
> be careful.  But currently, "pci=[]" and "xl pci-attach" do *not*
> behave that way; you have to make the device assignable first.  So you
> don't need to be particularly careful.  Adding "seize" at least should
> flag up to people that they need to double-check.
> 
> If people really object to the extra flag, I can write up a patch
> without it, but I'd prefer to have something...

I think at the very least there should be the ability to have it as a
global config option.

Ian.

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