Re: [PATCHv3 RFC] uio: add generic driver for PCI 2.3 devices

Chris Wright
2009-07-15T19:31:01Z

> Right. Note that the limitation that only a single thread should touch
> config space through sysfs applies to any sub-byte field. If we wanted
> to make such ops atomic, pci devices would need some kind of compare and
> swap ioctl.
>

Looks good.

Acked-by: Chris Wright <chrisw@redhat.com>