Sukadev Bhattiprolu <suka...@linux.vnet.ibm.com> writes: > Define an interface that the NX drivers can use to find the physical > paste address of a send window. This interface is expected to be used > with the mmap() operation of the NX driver's device. i.e the user space > process can use driver's mmap() operation to map the send window's paste > address into their address space and then use copy and paste instructions > to submit the CRBs to the NX engine. > > Note that kernel drivers will use vas_paste_crb() directly and don't need > this interface.
AFAICS this is not used. And if it was that would be a problem because there are implications in letting userspace do paste, so can you drop this from the series for now. cheers