Re: [PATCH WIP 2/5] xen/arm: set xen_platform_pci_unplug toXEN_UNPLUG_ALL

[Stefano Stabellini]

On Wed, 4 Jul 2012, David Vrabel wrote:
> On 04/07/12 12:15, Stefano Stabellini wrote:
> > Set xen_platform_pci_unplug to XEN_UNPLUG_ALL by default to make
> > blkfront happy. The parameter doesn't make sense on ARM and should be
> > removed.
> 
> Why is this parameter nonsensical on ARM?  ARM systems can have PCI devices.

Because we shouldn't assume the presence of a PCI bus on ARM. Moreover
it would be nice to avoid the ugly unplug protocol entirely if we can.
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