On Thu, Sep 26, 2019 at 08:37:10PM +0300, Leon Romanovsky wrote: > On Thu, Sep 26, 2019 at 09:45:11AM -0700, Jeff Kirsher wrote: > > From: Mustafa Ismail <mustafa.ismail@xxxxxxxxx> > > > > Implement device supported verb APIs. The supported APIs > > vary based on the underlying transport the ibdev is > > registered as (i.e. iWARP or RoCEv2). > > > > Signed-off-by: Mustafa Ismail <mustafa.ismail@xxxxxxxxx> > > Signed-off-by: Shiraz Saleem <shiraz.saleem@xxxxxxxxx> > > drivers/infiniband/hw/irdma/verbs.c | 4346 ++++++++++++++++++++++ > > drivers/infiniband/hw/irdma/verbs.h | 199 + > > include/uapi/rdma/rdma_user_ioctl_cmds.h | 1 + > > 3 files changed, 4546 insertions(+) > > create mode 100644 drivers/infiniband/hw/irdma/verbs.c > > create mode 100644 drivers/infiniband/hw/irdma/verbs.h > > > > diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c > > new file mode 100644 > > index 000000000000..025c21c722e2 > > +++ b/drivers/infiniband/hw/irdma/verbs.c > > @@ -0,0 +1,4346 @@ > > +// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB > > +/* Copyright (c) 2019, Intel Corporation. */ > > <...> > > > + > > + size = sqdepth * sizeof(struct irdma_sq_uk_wr_trk_info) + > > + (rqdepth << 3); > > + iwqp->kqp.wrid_mem = kzalloc(size, GFP_KERNEL); This weird allocation math also looks sketchy, should it be using one of the various anti-overflow helpers, or maybe a flex array? Jason