Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 24 Feb 2003 23:52:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 24 Feb 2003 23:52:55 -0500 Received: from dp.samba.org ([66.70.73.150]:30364 "EHLO lists.samba.org") by vger.kernel.org with ESMTP id ; Mon, 24 Feb 2003 23:52:52 -0500 From: Rusty Russell To: Richard Henderson Cc: linux-kernel@vger.kernel.org, torvalds@transmeta.com, Kai Germaschewski Subject: Re: [PATCH] eliminate warnings in generated module files In-reply-to: Your message of "Tue, 18 Feb 2003 18:43:17 -0800." <20030218184317.A20436@twiddle.net> Date: Tue, 25 Feb 2003 15:32:21 +1100 Message-Id: <20030225050306.F0BF82C19D@lists.samba.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2378 Lines: 54 In message <20030218184317.A20436@twiddle.net> you write: > +#if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 > +#define __attribute_used__ __attribute__((__used__)) > +#else > +#define __attribute_used__ __attribute__((__unused__)) > +#endif > + After some thought, I prefer __optional. The unused attribute has muddied the waters too badly for "used" or "unused" to be clear. We could debate this for days. Linus, apply or don't. Rusty. -- Anyone who quotes me in their sig is an idiot. -- Rusty Russell. Name: __optional attribute Author: Rusty Russell Status: Trivial D: Renames __attribute_used to __optional. diff -urpN --exclude TAGS -X /home/rusty/devel/kernel/kernel-patches/current-dontdiff --minimal .21098-linux-2.5.63/include/linux/compiler.h .21098-linux-2.5.63.updated/include/linux/compiler.h --- .21098-linux-2.5.63/include/linux/compiler.h 2003-02-25 10:11:08.000000000 +1100 +++ .21098-linux-2.5.63.updated/include/linux/compiler.h 2003-02-25 15:28:39.000000000 +1100 @@ -37,9 +37,9 @@ * would be warned about except with attribute((unused)). */ #if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 -#define __attribute_used__ __attribute__((__used__)) +#define __optional __attribute__((__used__)) #else -#define __attribute_used__ __attribute__((__unused__)) +#define __optional __attribute__((__unused__)) #endif /* This macro obfuscates arithmetic on a variable address so that gcc diff -urpN --exclude TAGS -X /home/rusty/devel/kernel/kernel-patches/current-dontdiff --minimal .21098-linux-2.5.63/scripts/modpost.c .21098-linux-2.5.63.updated/scripts/modpost.c --- .21098-linux-2.5.63/scripts/modpost.c 2003-02-25 10:11:14.000000000 +1100 +++ .21098-linux-2.5.63.updated/scripts/modpost.c 2003-02-25 15:30:37.000000000 +1100 @@ -450,7 +450,7 @@ add_depends(struct buffer *b, struct mod buf_printf(b, "\n"); buf_printf(b, "static const char __module_depends[]\n"); - buf_printf(b, "__attribute_used__\n"); + buf_printf(b, "__optional\n"); buf_printf(b, "__attribute__((section(\".modinfo\"))) =\n"); buf_printf(b, "\"depends="); for (s = mod->unres; s; s = s->next) { - 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/