On 04/05/16 10:00, Juergen Gross wrote: > Hi, > > during review of my qemu pvusb backend patch Anthony raised the > question why my backend doesn't check for the ring being full before > using RING_GET_RESPONSE(). > > I've checked several existing backends and none of them is doing this > test. To be precise: There is no macro to test this condition as > RING_FULL() is doing this kind of test for the request ring only.
Aargh, forget it. I've misread RING_FULL(). It is checking the request producer against the response consumer, so everything is correct. Sorry for the noise. Juergen _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
