On Mon, Nov 20, 2017 at 11:38:00AM -0700, Jason Gunthorpe wrote: > On Fri, Nov 17, 2017 at 10:46:51AM -0600, Henry Orosco wrote: > > From: Chien Tin Tung <chien.tin.tung@xxxxxxxxx> > > > > Currently there is only one sdbuf per Control QP(CQP) for programming > > Segment Descriptor(SD) command thus limiting the number of SD work > > requests that can be posted to one. Allocate enough memory for one > > sdbuf per CQP SQ WQE to allow more than one SD command at a time. > > When a SD command is posted, it will use the corresponding sdbuf for > > the WQE. > > It is not clear to me from this description why this would be a rc > candidate? > > Is this is a bug? or is it adding a feature of increasing the number > of 'SD work requests'? > Its a bug fix as we are reusing the same SD buffer for all WQEs posted. This is incorrect and will become a problem if we have multiple simultaneous SD WQEs being posted. Shiraz -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html