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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 3B293C3A5A2 for ; Tue, 3 Sep 2019 09:20:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 08F6422DBF for ; Tue, 3 Sep 2019 09:20:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kroah.com header.i=@kroah.com header.b="lsQzpqdA"; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="uqN08YPj" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728593AbfICJT6 (ORCPT ); Tue, 3 Sep 2019 05:19:58 -0400 Received: from out3-smtp.messagingengine.com ([66.111.4.27]:52225 "EHLO out3-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726452AbfICJT5 (ORCPT ); Tue, 3 Sep 2019 05:19:57 -0400 Received: from compute6.internal (compute6.nyi.internal [10.202.2.46]) by mailout.nyi.internal (Postfix) with ESMTP id 538BB22128; Tue, 3 Sep 2019 05:19:56 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute6.internal (MEProxy); Tue, 03 Sep 2019 05:19:56 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kroah.com; h= date:from:to:cc:subject:message-id:references:mime-version :content-type:in-reply-to; s=fm1; bh=z2lVEw1JSBkzTGutlvzaxeAhxEw JaiOIlS/JJN0dpKg=; b=lsQzpqdAVeNrHPs6hMk5PlYQiNtwVTsruYFTburpR37 q5oNhvcf1SnQkCabmh76ZhRr7FdGOCMvZDttwpMOXiAUxc6eoAnfQ8Hyl+ljx19S AQIHaZH2vV/teQPUUd/uZBuxkoBqDShKdkqqsQiScuUOcSKuHpQAJ7lExBbGDD6e VvdCNqtJmmFv1hG2563Xi/vRbsprA6Rr9Mhz63eWStrcHEeTalJ7WKc/rN4V6vK+ c6Drl7z4fx1FvDpr3wjPEontvdIgZzyGPf8V4H50FSXPpEb1LooSvdf+UlJfYRLU ugcFduESTpMJXD3Ol5l18GP2y79zEZWGImWCzlKj4nw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm3; bh=z2lVEw 1JSBkzTGutlvzaxeAhxEwJaiOIlS/JJN0dpKg=; b=uqN08YPj2wGNbCz6j3w8w7 SPNz0nPZoUf+rzv/RwXGDIbkotY4P8hKqI+UuGu2Klps9fVY1yAG36c4HHFgOdH5 nQDoz9zltKwEwjmoBfa51Gb0n353YA1vY+wEpRoBlkR5YJZyfc0ugiMiu9obT7GM ENrJfPfTSFyOsYdASqwe/yjlxmZcoZaNzioEpi4QKvE+i0I+ztuN66TttVxkBOOP XHQ32JJiK8in3fPOyKL/qxFklN5P+UKdGFDnkQO2H60bLbzvodJtXSK+EV9vXlNQ yPCIKfWqt9HLStsjC30qrcS4PptiWCB12PIv0VqytzjHNb3teE0Y5uRIBGI7tMyA == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduvddrudejvddgudduucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepfffhvffukfhfgggtuggjfgesthdtredttdervdenucfhrhhomhepifhrvghg ucfmjfcuoehgrhgvgheskhhrohgrhhdrtghomheqnecuffhomhgrihhnpehlfihnrdhnvg htnecukfhppeekfedrkeeirdekledruddtjeenucfrrghrrghmpehmrghilhhfrhhomhep ghhrvghgsehkrhhorghhrdgtohhmnecuvehluhhsthgvrhfuihiivgeptd X-ME-Proxy: Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) by mail.messagingengine.com (Postfix) with ESMTPA id 13D35D6005F; Tue, 3 Sep 2019 05:19:54 -0400 (EDT) Date: Tue, 3 Sep 2019 11:19:53 +0200 From: Greg KH To: Oliver Neukum Cc: Alan Stern , Julius Werner , USB Storage list , Dan Williams , Kernel development list , USB list Subject: Re: [PATCH] usb: storage: Add ums-cros-aoa driver Message-ID: <20190903091953.GA12325@kroah.com> References: <20190902164724.GA22619@kroah.com> <1567500374.2878.2.camel@suse.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1567500374.2878.2.camel@suse.com> User-Agent: Mutt/1.12.1 (2019-06-15) Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On Tue, Sep 03, 2019 at 10:46:14AM +0200, Oliver Neukum wrote: > Am Montag, den 02.09.2019, 18:47 +0200 schrieb Greg KH: > > > > This should work just fine today. Add a new device id to the "new_id" > > file and then tell the driver to bind. That's pretty much the same as a > > "force_bind", right? > > That looks like a race condition by design to me. How? Anyway, this should all "just work" somehow, there's an old lwn.net article I wrote about this over a decade ago when it was added. A number of subsystems use this all the time (vfio?) and I haven't heard any issues with it in a long time. thanks, greg k-h