Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp8334117ybi; Thu, 6 Jun 2019 10:26:33 -0700 (PDT) X-Google-Smtp-Source: APXvYqwHTGJhrXapB8Czc6KhYBt9qAxrUMkLG2/5VZu65geAJlOczScdUe3yaedtkfZ60WBGO18r X-Received: by 2002:a65:6256:: with SMTP id q22mr4327751pgv.190.1559841993788; Thu, 06 Jun 2019 10:26:33 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1559841993; cv=none; d=google.com; s=arc-20160816; b=gveZMwuTc5MTseNjNHSmokKUgnJd+rbU5p33TRRoUsyaIeManG55KIAdJcIdwQlJev Owd8s183biUFatZ3ula9g08Krx9VMevj0SSkQTPcTpYaOxtjIbYUqfSzd+WpNssEG0aR Drpdqegl7juju48zjI95Ijx9GAQyNh1OyCsERj/3Qdw6P35GdQ7tt+b/PMUR25HNvhjS 6wFyv+gde2qX7salO0yPBjjTBeberT0+yZYY2X+qPEcIH7FkcYfttZpZwGc/9BOPLCen X4y+R1HLmMZwa69i2mJ4j7MFGv4blqWR9kBmdOX5uO8PbBNLU4N6WtjXC2WmwQ1L2eTC TSNA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:message-id:in-reply-to :subject:cc:to:from:date; bh=ZW2kWvitkNo0zXsXv8ImGVdSB5SD7xwSleWOg13X1GY=; b=MOSgrSllZkA5UMysDlSaesRxS9p/IptSaTrlqWqdYU7/M658u4DMxRZWyL4xv9KgiP eV84XMS1gg2rGQ2r7U3vHVktUN4bhIkzXwF0uSYDe4ItGxYPU0SrzHYeUrbN56qjdOuY Ss1n2WJP3t+nNN6WFMBPFRVX8cbyehVypcNRmuXkaRcZgtiyd6uOSBqbleTtkn1LugQR 6WDTq1u+RE0SJ3HQLSpIVM9GN5tk2XvkhwUA/wou6smv3xOLzPvA8pRBDw66cM5EDQz5 29NYDwP15vSOX2/sRqp8OMdnnNI9vLiLt6CJ9FHbJ/THbQNOJzhAYATk3c7qpXEqbXTs cP3w== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 33si2263352plu.126.2019.06.06.10.26.16; Thu, 06 Jun 2019 10:26:33 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728910AbfFFOYT (ORCPT + 99 others); Thu, 6 Jun 2019 10:24:19 -0400 Received: from iolanthe.rowland.org ([192.131.102.54]:51868 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1727559AbfFFOYT (ORCPT ); Thu, 6 Jun 2019 10:24:19 -0400 Received: (qmail 3059 invoked by uid 2102); 6 Jun 2019 10:24:18 -0400 Received: from localhost (sendmail-bs@127.0.0.1) by localhost with SMTP; 6 Jun 2019 10:24:18 -0400 Date: Thu, 6 Jun 2019 10:24:18 -0400 (EDT) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: David Howells cc: viro@zeniv.linux.org.uk, Greg Kroah-Hartman , , , , , , , , Subject: Re: [PATCH 09/10] usb: Add USB subsystem notifications [ver #3] In-Reply-To: <155981420247.17513.18371208824032389940.stgit@warthog.procyon.org.uk> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 6 Jun 2019, David Howells wrote: > Add a USB subsystem notification mechanism whereby notifications about > hardware events such as device connection, disconnection, reset and I/O > errors, can be reported to a monitoring process asynchronously. USB I/O errors covers an awfully large and vague field. Do we really want to include them? I'm doubtful. Alan Stern