On Wed, Sep 06, 2017 at 05:15:00PM +0300, Leon Romanovsky wrote: > On Wed, Sep 06, 2017 at 03:36:20PM +0200, Kittipon Meesompop wrote: > > Since s390x platform requires execution of privileged CPU instructions > > to work with PCI I/O memory, the PCI I/O memory cannot be directly > > accessed from the userspace programs via the mapped memory areas. > > > > This patch is created against libmlx5-1.2.1 and contains the changes to > > the libmlx5 userspace Mellanox device driver library required to provide > > support for the DAPL API on the s390x platform. The original code that > > directly used mapped memory areas to access the PCI I/O memory of the > > Mellanox networking device is replaced with the new system call > > invocation for writing the data to mapped memory areas. The functions > > for reading and writing are added analogously to libmlx4. > > > > libmlx4 comparison to: > > commit f5c26f8762135f629c8cbe73d808e3029f07b176 > > Author: Alexey Ishchuk <aishchuk@xxxxxxxxxxxxxxxxxx> > > Date: Wed Nov 19 11:17:19 2014 +0100 > > > > Signed-off-by: Kittipon Meesompop <kmeesomp@xxxxxxxxxxxxxxxxxx> > > > > Thank you for doing it. I afraid that you sent this patch to a wrong > mailing list. I don't know exactly where you should sent it, but all > new development for last ~12 months of RDMA user space stack is done > against rdma-core [1]. .. and I already did s390 support for mlx5 drivers in rdma-core, you should test it. Jason -- 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
