From: Jason Gunthorpe <jgg@ziepe.ca>
To: Jiri Pirko <jiri@resnulli.us>
Cc: linux-rdma@vger.kernel.org, leon@kernel.org, mrgolin@amazon.com,
gal.pressman@linux.dev, sleybo@amazon.com, parav@nvidia.com,
mbloch@nvidia.com, yanjun.zhu@linux.dev,
marco.crivellari@suse.com, roman.gushchin@linux.dev,
phaddad@nvidia.com, lirongqing@baidu.com, ynachum@amazon.com,
huangjunxian6@hisilicon.com, kalesh-anakkur.purayil@broadcom.com,
ohartoov@nvidia.com, michaelgur@nvidia.com, shayd@nvidia.com,
edwards@nvidia.com, sriharsha.basavapatna@broadcom.com,
andrew.gospodarek@broadcom.com, selvin.xavier@broadcom.com
Subject: Re: [PATCH rdma-next v4 11/16] RDMA/mlx4: Use ib_umem_get_cq_buf() for user CQ buffer
Date: Wed, 13 May 2026 20:37:19 -0300 [thread overview]
Message-ID: <20260513233719.GV7702@ziepe.ca> (raw)
In-Reply-To: <agS-Txfk0jid-ut-@FV6GYCPJ69>
On Wed, May 13, 2026 at 08:10:31PM +0200, Jiri Pirko wrote:
> >That plan seems right to me, lets just get it sorted before anything
> >starts using the new uverbs flow.
>
> Well, this is existing code with CQ legacy umem attrs. But sure, will
> address this right after this patchset is merged.
What concerns me is the new attributes won't work at all because they
will trigger the EOPNOTSUPP, but that isn't what we want, we want the
userspace to be able to convert to the new attrs..
> >Also please look on the Sashiko report, I saw some interesting things
>
> I don't see any url anywhere. Where to find it?
https://sashiko.dev/#/patchset/20260507125231.2950751-1-jiri%40resnulli.us
Jason
next prev parent reply other threads:[~2026-05-13 23:37 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-07 12:52 [PATCH rdma-next v4 00/16] RDMA: Introduce generic buffer descriptor infrastructure for umem Jiri Pirko
2026-05-07 12:52 ` [PATCH rdma-next v4 01/16] RDMA/umem: Rename ib_umem_get() to ib_umem_get_va() Jiri Pirko
2026-05-07 12:52 ` [PATCH rdma-next v4 02/16] RDMA/umem: Split ib_umem_get_va() into a thin wrapper around __ib_umem_get_va() Jiri Pirko
2026-05-07 12:52 ` [PATCH rdma-next v4 03/16] RDMA/core: Introduce generic buffer descriptor infrastructure for umem Jiri Pirko
2026-05-07 12:52 ` [PATCH rdma-next v4 04/16] RDMA/umem: Route ib_umem_get_va() through ib_umem_get() Jiri Pirko
2026-05-07 12:52 ` [PATCH rdma-next v4 05/16] RDMA/uverbs: Inline _uverbs_get_const_{signed,unsigned}() Jiri Pirko
2026-05-12 17:51 ` Jason Gunthorpe
2026-05-13 11:43 ` Jiri Pirko
2026-05-13 17:33 ` Jason Gunthorpe
2026-05-07 12:52 ` [PATCH rdma-next v4 06/16] RDMA/uverbs: Push out CQ buffer umem processing into a helper Jiri Pirko
2026-05-12 18:03 ` Jason Gunthorpe
2026-05-12 18:40 ` Jiri Pirko
2026-05-12 19:22 ` Jason Gunthorpe
2026-05-07 12:52 ` [PATCH rdma-next v4 07/16] RDMA/uverbs: Add CQ buffer UMEM attribute and driver helpers Jiri Pirko
2026-05-07 12:52 ` [PATCH rdma-next v4 08/16] RDMA/efa: Use ib_umem_get_cq_buf() for user CQ buffer Jiri Pirko
2026-05-07 12:52 ` [PATCH rdma-next v4 09/16] RDMA/mlx5: Use ib_umem_get_cq_buf_or_va() " Jiri Pirko
2026-05-07 12:52 ` [PATCH rdma-next v4 10/16] RDMA/bnxt_re: " Jiri Pirko
2026-05-07 12:52 ` [PATCH rdma-next v4 11/16] RDMA/mlx4: Use ib_umem_get_cq_buf() " Jiri Pirko
2026-05-12 18:29 ` Jason Gunthorpe
2026-05-13 11:38 ` Jiri Pirko
2026-05-13 17:51 ` Jason Gunthorpe
2026-05-13 18:10 ` Jiri Pirko
2026-05-13 23:37 ` Jason Gunthorpe [this message]
2026-05-07 12:52 ` [PATCH rdma-next v4 12/16] RDMA/uverbs: Remove legacy umem field from struct ib_cq Jiri Pirko
2026-05-07 12:52 ` [PATCH rdma-next v4 13/16] RDMA/uverbs: Use UMEM attributes for QP creation Jiri Pirko
2026-05-07 12:52 ` [PATCH rdma-next v4 14/16] RDMA/mlx5: Use UMEM attributes for QP buffers in create_qp Jiri Pirko
2026-05-07 12:52 ` [PATCH rdma-next v4 15/16] RDMA/mlx5: Use UMEM attribute for CQ doorbell record Jiri Pirko
2026-05-12 19:21 ` Jason Gunthorpe
2026-05-13 19:32 ` Jiri Pirko
2026-05-07 12:52 ` [PATCH rdma-next v4 16/16] RDMA/mlx5: Use UMEM attribute for QP " Jiri Pirko
2026-05-12 19:23 ` [PATCH rdma-next v4 00/16] RDMA: Introduce generic buffer descriptor infrastructure for umem Jason Gunthorpe
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