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Date: Thu, 26 Sep 2019 19:50:56 +0000 From: "Saleem, Shiraz" <shiraz.saleem@...el.com> To: Jason Gunthorpe <jgg@...lanox.com>, Leon Romanovsky <leon@...nel.org> CC: "Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>, "dledford@...hat.com" <dledford@...hat.com>, "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>, "Ismail, Mustafa" <mustafa.ismail@...el.com>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org> Subject: RE: [RFC 12/20] RDMA/irdma: Implement device supported verb APIs > Subject: Re: [RFC 12/20] RDMA/irdma: Implement device supported verb APIs > > 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@...el.com> > > > > > > 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@...el.com> > > > Signed-off-by: Shiraz Saleem <shiraz.saleem@...el.com> > > > 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? > OK. We ll review this.
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