From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 52B90BE4B for ; Mon, 19 Jun 2023 10:55:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CE84CC433C0; Mon, 19 Jun 2023 10:55:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1687172156; bh=jVT1bH/T1NQtrmp5hr0KqHhNgCCzSwLQTw79t2wsnEk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iaDEz3u+ynVdMzM7pW+MjC9WYqHUCceZPgT+a1hI/KqkaB4eKahmQIfHCHMVUbsRU +scPE0v2SuHld6198g4lPgYXGDJf7uljotOcsg3gGvpL+7uRm8wWRx2f8lNKODC7B5 k0pAkzKJQewSWgUQbKCSnlMx1t9FVrMxhsTHeV6g= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Maher Sanalla , Maor Gottlieb , Leon Romanovsky , Sasha Levin Subject: [PATCH 5.10 56/89] RDMA/mlx5: Initiate dropless RQ for RAW Ethernet functions Date: Mon, 19 Jun 2023 12:30:44 +0200 Message-ID: <20230619102140.818268491@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230619102138.279161276@linuxfoundation.org> References: <20230619102138.279161276@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Maher Sanalla [ Upstream commit ee4d269eccfea6c17b18281bef482700d898e86f ] Delay drop data is initiated for PFs that have the capability of rq_delay_drop and are in roce profile. However, PFs with RAW ethernet profile do not initiate delay drop data on function load, causing kernel panic if delay drop struct members are accessed later on in case a dropless RQ is created. Thus, stage the delay drop initialization as part of RAW ethernet PF loading process. Fixes: b5ca15ad7e61 ("IB/mlx5: Add proper representors support") Signed-off-by: Maher Sanalla Reviewed-by: Maor Gottlieb Link: https://lore.kernel.org/r/2e9d386785043d48c38711826eb910315c1de141.1685960567.git.leon@kernel.org Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- drivers/infiniband/hw/mlx5/main.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 5ef37902e96b5..39ba7005f2c4c 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -4746,6 +4746,9 @@ const struct mlx5_ib_profile raw_eth_profile = { STAGE_CREATE(MLX5_IB_STAGE_POST_IB_REG_UMR, mlx5_ib_stage_post_ib_reg_umr_init, NULL), + STAGE_CREATE(MLX5_IB_STAGE_DELAY_DROP, + mlx5_ib_stage_delay_drop_init, + mlx5_ib_stage_delay_drop_cleanup), STAGE_CREATE(MLX5_IB_STAGE_RESTRACK, mlx5_ib_restrack_init, NULL), -- 2.39.2