Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756164AbYKUM6m (ORCPT ); Fri, 21 Nov 2008 07:58:42 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753358AbYKUM6d (ORCPT ); Fri, 21 Nov 2008 07:58:33 -0500 Received: from ns1.suse.de ([195.135.220.2]:41009 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753113AbYKUM6d (ORCPT ); Fri, 21 Nov 2008 07:58:33 -0500 From: Andreas Schwab To: "Maciej W. Rozycki" Cc: Geert Uytterhoeven , Alan Cox , David Daney , linux-mips , linux-kernel@vger.kernel.org Subject: Re: [PATCH] MIPS: Make BUG() __noreturn. References: <49260E4C.8080500@caviumnetworks.com> <20081121100035.3f5a640b@lxorguk.ukuu.org.uk> X-Yow: RELATIVES!! Date: Fri, 21 Nov 2008 13:58:30 +0100 In-Reply-To: (Maciej W. Rozycki's message of "Fri, 21 Nov 2008 11:14:30 +0000 (GMT)") Message-ID: User-Agent: Gnus/5.110009 (No Gnus v0.9) Emacs/22.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 904 Lines: 22 "Maciej W. Rozycki" writes: > Otherwise it looks like the attribute is useless -- it looks like it can > only be used for functions where GCC can determine the function does not > return anyway. Which means it is redundant. The purpose of the attribute is to tell the _callers_ of this function that it does not return. It does not change how the attributed function itself is compiled. Andreas. -- Andreas Schwab, SuSE Labs, schwab@suse.de SuSE Linux Products GmbH, Maxfeldstra?e 5, 90409 N?rnberg, Germany PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different." -- 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/