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]. Thanks [1] http://github.com/linux-rdma/rdma-core
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