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 E72713C23 for ; Mon, 19 Jun 2023 10:37:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6E8AAC433C8; Mon, 19 Jun 2023 10:37:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1687171074; bh=r8R8F2KSXz7B3mK9NmRbbDeZxrHfN5wa2GOHumcC+tw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aD1iH1hE1WEXBkR4C+i8+K49aT+JOdEpqql33JxdRFodF8ZcAcch9Wy+c/ib0kHgK i+XxgfoNCPNMSloDvDkVBHAeZdyGw70ji6C0ksC4BuUbbCT75TbXdnI5GcPmVO5unI BnWBC5+dXEA6ZVuz6ESgRllnHQOC7BPX1jPSlR1o= 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 6.3 139/187] RDMA/mlx5: Initiate dropless RQ for RAW Ethernet functions Date: Mon, 19 Jun 2023 12:29:17 +0200 Message-ID: <20230619102204.366052265@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230619102157.579823843@linuxfoundation.org> References: <20230619102157.579823843@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 5d45de223c43a..f0b394ed7452a 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -4275,6 +4275,9 @@ 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