From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 194B5C04A6A for ; Fri, 4 Aug 2023 16:49:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230518AbjHDQt4 (ORCPT ); Fri, 4 Aug 2023 12:49:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56040 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230347AbjHDQty (ORCPT ); Fri, 4 Aug 2023 12:49:54 -0400 Received: from mail-qt1-x82b.google.com (mail-qt1-x82b.google.com [IPv6:2607:f8b0:4864:20::82b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7D7853C25 for ; Fri, 4 Aug 2023 09:49:53 -0700 (PDT) Received: by mail-qt1-x82b.google.com with SMTP id d75a77b69052e-403ea0a50f7so16195201cf.1 for ; Fri, 04 Aug 2023 09:49:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; t=1691167792; x=1691772592; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=LkUL2PlOzfT58q9qudjtzFzvb7OK02mCRFsTl32ovnU=; b=kUyybcKNzzLZ7ehNjnqiw18cmIQMfGtVGlv/zhCpGofq95hPLktzHm0FWZ0gMitYpx yL+BC6jbA3nUwlUG4S4mDOVQsSdrkhbr6jgrXYwC5ezRKdka6S3+ySUnpYtgwvvuYGCG aadp/6aNQzJOZ62ymVGZjgtzBoPTTHTEfz1FGnzQb42Sz4BArQ4bPFLvsqsu9auDdPt/ aK63jDpd5hyPPpGb0G7+L+7ruCHNtEtcBi77gJMLKEaLy2eTQyaMy3k5XJWpqnj2r5Y9 gP2Hder6QnLQy90m4zXSFcRdTkSHHgrr9TImCthlq18CvvVkSPyW8VOoHvGkXtQm3s6n QlKA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691167792; x=1691772592; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=LkUL2PlOzfT58q9qudjtzFzvb7OK02mCRFsTl32ovnU=; b=goonjDyBOsGwnXunZB8LbMiR8BgkLsEl0gUoaGd8x0AiLWrxs0OZfTji2PowkBdVVo MQyq8f0M6MnjAprQ863vp20QCjSzHGdHvnO4lOScneDBDrPF1x2PTPd2hP6Zok6zTO4Z A7ZX9puaWDVH+4L4K4Vk+HZHxx8YZe5AIbHbxHKah1RRbkXzO8NQJWb/12J05XRzD3Bx b9yx0+VQV3JkvBqqpMInAILo9dfpwuF23GTUqDNOE8/ilvjEbBvVykfBnG3LSh4vMFpf exzzHrd6Y9Es7hqOKMmExFuMuTnRRvjFaGyCr1HevCIrlJBw2Ka40bAe4Cgbjkn03j3a RpwQ== X-Gm-Message-State: AOJu0YxetcdyXZGiqPa2Hf20DUd4d+1s043Qeb/G1xUem6QDTU4R38j9 AUpi/ZqJwFSX0aSbTzT6QfLnVg== X-Google-Smtp-Source: AGHT+IHj+Quw/k2Ut+pAvKfZ2oiDEj8XGnx9S5QXbT4XVTYEsHM+FYwYA29FEaM1sPq0Tck85Et93A== X-Received: by 2002:ac8:5945:0:b0:404:c430:6695 with SMTP id 5-20020ac85945000000b00404c4306695mr3396490qtz.53.1691167792218; Fri, 04 Aug 2023 09:49:52 -0700 (PDT) Received: from ziepe.ca (hlfxns017vw-142-68-25-194.dhcp-dynamic.fibreop.ns.bellaliant.net. [142.68.25.194]) by smtp.gmail.com with ESMTPSA id e7-20020ac84147000000b00403c82c609asm783399qtm.14.2023.08.04.09.49.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Aug 2023 09:49:51 -0700 (PDT) Received: from jgg by wakko with local (Exim 4.95) (envelope-from ) id 1qRxzq-003v4Y-SY; Fri, 04 Aug 2023 13:49:50 -0300 Date: Fri, 4 Aug 2023 13:49:50 -0300 From: Jason Gunthorpe To: Petr Pavlu Cc: tariqt@nvidia.com, yishaih@nvidia.com, leon@kernel.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next 00/10] Convert mlx4 to use auxiliary bus Message-ID: References: <20230804150527.6117-1-petr.pavlu@suse.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230804150527.6117-1-petr.pavlu@suse.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Aug 04, 2023 at 05:05:17PM +0200, Petr Pavlu wrote: > This series converts the mlx4 drivers to use auxiliary bus, similarly to > how mlx5 was converted [1]. The first 6 patches are preparatory changes, > the remaining 4 are the final conversion. > > Initial motivation for this change was to address a problem related to > loading mlx4_en/mlx4_ib by mlx4_core using request_module_nowait(). When > doing such a load in initrd, the operation is asynchronous to any init > control and can get unexpectedly affected/interrupted by an eventual > root switch. Using an auxiliary bus leaves these module loads to udevd > which better integrates with systemd processing. [2] Neat, I didn't realize that was a pain point for distros. Jason