On 2018/1/21 0:46, Jason Gunthorpe wrote: > On Sat, Jan 20, 2018 at 07:41:03PM +0800, Liuyixian (Eason) wrote: > >> new userspace will still run correctly if the kernel is old. As new userspace use >> db_addr substitute operating register, it can run correctly only on new kernel >> (the patchset goes with this patchset submitted to for-next) and later kernel versions. >> I think it is reasonable for this case. > > Still not OK, we expect the user space to work with old kernels too. > Hi Jason, I just send an email to Leon for further illustrating my consideration on the compatibility problem. Could you please give me further comments on that email? If you don't agree with what I said in that email, can you give some suggestions to resolve compatibility issue? Thanks Eason -- 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
