Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752326AbaFDKze (ORCPT ); Wed, 4 Jun 2014 06:55:34 -0400 Received: from mail-ig0-f174.google.com ([209.85.213.174]:55129 "EHLO mail-ig0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751918AbaFDKzb (ORCPT ); Wed, 4 Jun 2014 06:55:31 -0400 MIME-Version: 1.0 In-Reply-To: References: <1401872880-23685-1-git-send-email-Julia.Lawall@lip6.fr> <063D6719AE5E284EB5DD2968C1650D6D1725705F@AcuExch.aculab.com> Date: Wed, 4 Jun 2014 12:55:29 +0200 X-Google-Sender-Auth: x-uv0bJo4lG43HsNtXWjKo4TO5M Message-ID: Subject: Re: [PATCH 0/10] use safer test on the result of find_first_zero_bit From: Geert Uytterhoeven To: Julia Lawall Cc: David Laight , linux-rdma , "kernel-janitors@vger.kernel.org" , Linux Fbdev development list , Linux-sh list , "linux-kernel@vger.kernel.org" , "ath10k@lists.infradead.org" , linux-wireless , "netdev@vger.kernel.org" , driverdevel , "iss_storagedev@hp.com" , scsi , linux-s390 , "adi-buildroot-devel@lists.sourceforge.net" , Arnd Bergmann Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Julia, On Wed, Jun 4, 2014 at 11:52 AM, Julia Lawall wrote: >> Maybe the documented return code should be changed to allow for the >> existing behaviour. > > Sorry, I'm not sure to understand what you suggest here. include/asm-generic/bitops/find.h: | /** | * find_first_zero_bit - find the first cleared bit in a memory region | * @addr: The address to start the search at | * @size: The maximum number of bits to search | * | * Returns the bit number of the first cleared bit. | * If no bits are zero, returns @size. "If no bits are zero, returns @size or a number larger than @size." | */ | extern unsigned long find_first_zero_bit(const unsigned long *addr, | unsigned long size); Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- 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/