From: Leon Romanovsky <leon@kernel.org>
To: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Paul Moore <paul@paul-moore.com>,
Roberto Sassu <roberto.sassu@huaweicloud.com>,
KP Singh <kpsingh@kernel.org>,
Matt Bobrowski <mattbobrowski@google.com>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
John Fastabend <john.fastabend@gmail.com>,
Andrii Nakryiko <andrii@kernel.org>,
Martin KaFai Lau <martin.lau@linux.dev>,
Eduard Zingerman <eddyz87@gmail.com>, Song Liu <song@kernel.org>,
Yonghong Song <yonghong.song@linux.dev>,
Stanislav Fomichev <sdf@fomichev.me>, Hao Luo <haoluo@google.com>,
Jiri Olsa <jolsa@kernel.org>, Shuah Khan <shuah@kernel.org>,
Saeed Mahameed <saeedm@nvidia.com>,
Itay Avraham <itayavr@nvidia.com>,
Dave Jiang <dave.jiang@intel.com>,
Jonathan Cameron <Jonathan.Cameron@huawei.com>,
bpf@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-kselftest@vger.kernel.org, linux-rdma@vger.kernel.org,
Chiara Meiohas <cmeiohas@nvidia.com>,
Maher Sanalla <msanalla@nvidia.com>,
linux-security-module@vger.kernel.org
Subject: Re: [PATCH v2 0/4] Firmware LSM hook
Date: Thu, 23 Apr 2026 17:09:50 +0300 [thread overview]
Message-ID: <20260423140950.GE172828@unreal> (raw)
In-Reply-To: <20260417191749.GK2577880@ziepe.ca>
On Fri, Apr 17, 2026 at 04:17:49PM -0300, Jason Gunthorpe wrote:
> On Wed, Apr 15, 2026 at 05:40:04PM -0400, Paul Moore wrote:
<...>
> > Leon mentioned that different firmware revisions would have different
> > parameters for a given opcode, and that one would need to inspect
> > those parameters to properly filter the command. Is that not true, or
> > am I misreading or misunderstanding Leon's comments?
>
> They are ABI stable, so there will be rules about future changes that
> old software can follow to ignore or reject future things it doesn't
> understand.
It is wishful thinking and applicable only to mlx5 devices. No one
promises that other devices follow same ABI rules.
Thanks
next prev parent reply other threads:[~2026-04-23 14:09 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-31 5:56 [PATCH v2 0/4] Firmware LSM hook Leon Romanovsky
2026-03-31 5:56 ` [PATCH v2 1/4] bpf: add firmware command validation hook Leon Romanovsky
2026-04-16 8:43 ` Matt Bobrowski
2026-03-31 5:56 ` [PATCH v2 2/4] selftests/bpf: add test cases for fw_validate_cmd hook Leon Romanovsky
2026-03-31 5:56 ` [PATCH v2 3/4] RDMA/mlx5: Externally validate FW commands supplied in DEVX interface Leon Romanovsky
2026-03-31 5:56 ` [PATCH v2 4/4] fwctl/mlx5: Externally validate FW commands supplied in fwctl Leon Romanovsky
2026-04-09 12:12 ` [PATCH v2 0/4] Firmware LSM hook Leon Romanovsky
2026-04-09 12:27 ` Roberto Sassu
2026-04-09 12:45 ` Leon Romanovsky
2026-04-09 21:04 ` Paul Moore
2026-04-12 9:00 ` Leon Romanovsky
2026-04-13 1:38 ` Paul Moore
2026-04-13 15:53 ` Leon Romanovsky
2026-04-13 16:42 ` Jason Gunthorpe
2026-04-13 17:36 ` Casey Schaufler
2026-04-13 19:09 ` Casey Schaufler
2026-04-13 22:36 ` Paul Moore
2026-04-13 23:19 ` Jason Gunthorpe
2026-04-14 17:05 ` Casey Schaufler
2026-04-14 19:09 ` Paul Moore
2026-04-14 20:09 ` Casey Schaufler
2026-04-14 20:44 ` Paul Moore
2026-04-14 22:42 ` Casey Schaufler
2026-04-15 21:03 ` Paul Moore
2026-04-15 21:21 ` Casey Schaufler
2026-04-14 20:27 ` Paul Moore
2026-04-15 13:47 ` Jason Gunthorpe
2026-04-15 21:40 ` Paul Moore
2026-04-17 19:17 ` Jason Gunthorpe
2026-04-21 0:58 ` Paul Moore
2026-04-24 14:36 ` Jason Gunthorpe
2026-04-24 20:59 ` Paul Moore
2026-04-24 22:13 ` Jason Gunthorpe
2026-04-23 14:09 ` Leon Romanovsky [this message]
2026-04-24 14:19 ` Jason Gunthorpe
2026-04-26 10:39 ` Leon Romanovsky
2026-04-23 13:05 ` Leon Romanovsky
-- strict thread matches above, loose matches on Subject: below --
2026-04-11 14:49 [PATCH rdma-next v2 00/15] RDMA: Introduce generic buffer descriptor infrastructure for umem Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 01/15] RDMA/core: " Jiri Pirko
2026-04-12 12:33 ` Michael Margolin
2026-04-13 8:32 ` Jiri Pirko
2026-04-13 16:02 ` Michael Margolin
2026-04-13 18:22 ` Jiri Pirko
2026-04-16 12:10 ` Michael Margolin
2026-04-16 13:34 ` Jiri Pirko
2026-04-21 12:50 ` Jason Gunthorpe
2026-04-21 12:52 ` Jason Gunthorpe
2026-04-22 10:32 ` Jiri Pirko
2026-04-22 16:30 ` Jason Gunthorpe
2026-04-21 13:46 ` Jason Gunthorpe
2026-04-22 11:33 ` Jiri Pirko
2026-04-22 14:06 ` Jiri Pirko
2026-04-22 16:51 ` Jason Gunthorpe
2026-04-23 13:08 ` Jiri Pirko
2026-04-23 15:08 ` Jason Gunthorpe
[not found] ` <20260426135340.GH440345@unreal>
2026-04-26 22:50 ` Jason Gunthorpe
2026-04-11 14:49 ` [PATCH rdma-next v2 02/15] RDMA/uverbs: Push out CQ buffer umem processing into a helper Jiri Pirko
2026-04-21 13:25 ` Jason Gunthorpe
2026-04-22 10:56 ` Jiri Pirko
2026-04-22 16:32 ` Jason Gunthorpe
2026-04-11 14:49 ` [PATCH rdma-next v2 03/15] RDMA/uverbs: Integrate umem_list into CQ creation Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 04/15] RDMA/efa: Use umem_list for user CQ buffer Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 05/15] RDMA/mlx5: " Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 06/15] RDMA/bnxt_re: " Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 07/15] RDMA/mlx4: " Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 08/15] RDMA/uverbs: Remove legacy umem field from struct ib_cq Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 09/15] RDMA/uverbs: Verify all umem_list buffers are consumed after CQ creation Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 10/15] RDMA/uverbs: Integrate umem_list into QP creation Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 11/15] RDMA/mlx5: Use umem_list for QP buffers in create_qp Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 12/15] RDMA/uverbs: Add doorbell record buffer slot to CQ umem_list Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 13/15] RDMA/mlx5: Use umem_list for CQ doorbell record Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 14/15] RDMA/uverbs: Add doorbell record buffer slot to QP umem_list Jiri Pirko
2026-04-11 14:49 ` [PATCH rdma-next v2 15/15] RDMA/mlx5: Use umem_list for QP doorbell record Jiri Pirko
2026-04-25 6:04 [PATCH v2 0/2] RDMA/rxe: Fix per-netns UDP tunnel issues Kuniyuki Iwashima
2026-04-25 6:04 ` [PATCH v2 1/2] RDMA/rxe: Fix null-ptr-deref in kernel_sock_shutdown() Kuniyuki Iwashima
2026-04-25 15:47 ` David Ahern
2026-04-25 20:55 ` Kuniyuki Iwashima
2026-04-26 16:40 ` David Ahern
2026-04-25 21:25 ` Zhu Yanjun
2026-04-26 16:42 ` David Ahern
2026-04-25 6:04 ` [PATCH v2 2/2] RDMA/rxe: Fix up RCU usage for rxe_ns_pernet_sk6() Kuniyuki Iwashima
2026-04-25 21:26 ` Zhu Yanjun
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