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 B97DC8BE5 for ; Mon, 19 Jun 2023 10:49:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 40436C433C0; Mon, 19 Jun 2023 10:49:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1687171743; bh=+K4C3K/tVYTECLkwCGA83krMjP9183O96rIN1vShGIw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=txeB3iYeUDwwKV6pokqsjqssXIN352TIFiL11Wa14rYxU6aArlWSSFhemIqz+6ERD TWauy1owsE+/vF6Uz0lqQzueUDKErjJfuWrajVKgbJcoNOYHN7jc1Z/CyZq+Y4l4AG cKoSDarfzu7OQxC0bao5FKlkbOxsx17glWTJzsuw= 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 6.1 116/166] RDMA/mlx5: Initiate dropless RQ for RAW Ethernet functions Date: Mon, 19 Jun 2023 12:29:53 +0200 Message-ID: <20230619102200.473186710@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230619102154.568541872@linuxfoundation.org> References: <20230619102154.568541872@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 eaa35e1df2a85..3178df55c4d85 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -4250,6 +4250,9 @@ 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