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 X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CF9A6C43441 for ; Thu, 8 Nov 2018 23:59:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 95AA920844 for ; Thu, 8 Nov 2018 23:59:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 95AA920844 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=acm.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727634AbeKIJhs (ORCPT ); Fri, 9 Nov 2018 04:37:48 -0500 Received: from mail-pl1-f194.google.com ([209.85.214.194]:43784 "EHLO mail-pl1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727403AbeKIJhs (ORCPT ); Fri, 9 Nov 2018 04:37:48 -0500 Received: by mail-pl1-f194.google.com with SMTP id g59-v6so30295plb.10; Thu, 08 Nov 2018 15:59:49 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:subject:from:to:cc:date:in-reply-to :references:mime-version:content-transfer-encoding; bh=dMC5yx8l6I+W1MLwZm69Ad0rXggLyhykDJoTEMkI8yg=; b=SgpLH48MOwKYMxGvSOg15zokytvV/vpkTNSG1F9Pt9qQt7NYUzyXlKJ9XlKv1FFvn6 WqzsAbdyNtxIFVgI0+ffbVewmQ9XLHsu0KrVaKglRIPEosrOqMc6Idz4AjhTqpG15f1/ Z2V9sJ/qPQQdARPIDCWnnonW8t0XSKwkQkR8Yp/ITpVTcomnPSpEDwnmru+1qOSXmpWm a+jrtssSifDuHMobxsAKPlqCScEYUD2naZK4UXYiXssjGu/myquZ8/QNYKXuQoPHHrFL GXYUA/k7ExQtmO9Q7n/UG9zsY3ZiZPMe+YIG0kC+0tWTHhhZO4FcBZI70F49kZbqEvd3 5GuA== X-Gm-Message-State: AGRZ1gJk05jZHXoxOA2zfa8ypbt8Pd3zFxePxTsvR46QfphnGoVggLTa sJa3dAQHtK9zOwTxjE+6Flo= X-Google-Smtp-Source: AJdET5dcAe+5yZ5IVm6BhB/mN8AjAFk2uSqDS40p63EVPBJBYX7YJ9Uomj90rotpBdrEDQtycjC2pQ== X-Received: by 2002:a17:902:aa8d:: with SMTP id d13-v6mr6702475plr.74.1541721588502; Thu, 08 Nov 2018 15:59:48 -0800 (PST) Received: from ?IPv6:2620:15c:2cd:203:5cdc:422c:7b28:ebb5? ([2620:15c:2cd:203:5cdc:422c:7b28:ebb5]) by smtp.gmail.com with ESMTPSA id q1sm5446088pgs.14.2018.11.08.15.59.47 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 08 Nov 2018 15:59:47 -0800 (PST) Message-ID: <1541721586.196084.241.camel@acm.org> Subject: Re: [driver-core PATCH v6 6/9] driver core: Probe devices asynchronously instead of the driver From: Bart Van Assche To: Alexander Duyck , linux-kernel@vger.kernel.org, gregkh@linuxfoundation.org Cc: linux-nvdimm@lists.01.org, tj@kernel.org, akpm@linux-foundation.org, linux-pm@vger.kernel.org, jiangshanlai@gmail.com, rafael@kernel.org, len.brown@intel.com, pavel@ucw.cz, zwisler@kernel.org, dan.j.williams@intel.com, dave.jiang@intel.com Date: Thu, 08 Nov 2018 15:59:46 -0800 In-Reply-To: <154170043123.12967.3591757325647337726.stgit@ahduyck-desk1.jf.intel.com> References: <154170028986.12967.2108024712555179678.stgit@ahduyck-desk1.jf.intel.com> <154170043123.12967.3591757325647337726.stgit@ahduyck-desk1.jf.intel.com> Content-Type: text/plain; charset="UTF-7" X-Mailer: Evolution 3.26.2-1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2018-11-08 at 10:07 -0800, Alexander Duyck wrote: +AD4 Probe devices asynchronously instead of the driver. This results in us +AD4 seeing the same behavior if the device is registered before the driver or +AD4 after. This way we can avoid serializing the initialization should the +AD4 driver not be loaded until after the devices have already been added. Reviewed-by: Bart Van Assche +ADw-bvanassche+AEA-acm.org+AD4