Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751080AbWJFVbU (ORCPT ); Fri, 6 Oct 2006 17:31:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751257AbWJFVbT (ORCPT ); Fri, 6 Oct 2006 17:31:19 -0400 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:10454 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S1751080AbWJFVbT (ORCPT ); Fri, 6 Oct 2006 17:31:19 -0400 Date: Fri, 6 Oct 2006 23:31:07 +0200 From: Pavel Machek To: Jean Tourrilhes Cc: Linus Torvalds , "John W. Linville" , Jeff Garzik , Lee Revell , Alessandro Suardi , Norbert Preining , Andrew Morton , linux-kernel@vger.kernel.org, johannes@sipsolutions.net Subject: Re: wpa supplicant/ipw3945, ESSID last char missing Message-ID: <20061006213107.GA29572@elf.ucw.cz> References: <20061004181032.GA4272@bougret.hpl.hp.com> <20061004185903.GA4386@bougret.hpl.hp.com> <20061004195229.GA4459@bougret.hpl.hp.com> <20061004204718.GA4599@bougret.hpl.hp.com> <20061005002637.GA5145@bougret.hpl.hp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20061005002637.GA5145@bougret.hpl.hp.com> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.11+cvs20060126 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1305 Lines: 31 Hi! > > The very fact that this turned into a discussion is a sign that the ABI > > breakage wasn't handled well enough. Usually, when we do something, nobody > > ever even notices. > > There was the grand total of *ONE* user who was personally > impacted by the userspace API change (the two other, one was hit by a > bug, now fixed, one was hit because of kernel API change + external > driver). And I immediately proposed to postpone the change to a later > time. The fact that all the wireless tools print... Warning: Driver for device eth1 has been compiled with version 20 of Wireless Extension, while this program supports up to version 17. ...shows that wireless is not as backwards compatible as usual kernel ABIs are. I'm afraid that wireless extensions can not be helped (designed with back-compatibility at wrong place), but can we make sure new netlink ABI does not have similar problems? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/