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[2620:137:e000::1:18]) by mx.google.com with ESMTPS id i17-20020a170902c95100b00153b2d1640dsi16306614pla.21.2022.04.06.09.38.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Apr 2022 09:38:41 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=FlLnH5Oz; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id D5E20391D31; Wed, 6 Apr 2022 08:47:47 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236488AbiDFPtG (ORCPT + 99 others); Wed, 6 Apr 2022 11:49:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44150 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236818AbiDFPrr (ORCPT ); Wed, 6 Apr 2022 11:47:47 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0E255348B58; Wed, 6 Apr 2022 06:04:43 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 9543261BE2; Wed, 6 Apr 2022 13:04:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 78763C385A3; Wed, 6 Apr 2022 13:04:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1649250282; bh=pg/2MkpNnzjv5CVzDKTAf71fbhHWkr8Xyd8iEp35Khc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=FlLnH5OzioJgnW5RgaR7ACr0FYOwiGaEMeRuL/di7AZA60GzoUPAId8M+TfDVfQP8 TOIIxq69VbjHB6+7a+g5qhTsSWx4XGHxH9r8u72tn38NriTEIKMJ3hEjAiiqSPHGdt znPorIKAV78v14N7d3fk/d3h/ZLFj9mMx+V5SIWM= Date: Wed, 6 Apr 2022 15:04:39 +0200 From: Greg Kroah-Hartman To: Alexey Dobriyan Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Richard Fitzgerald , Andrew Morton , Linus Torvalds , Sasha Levin Subject: Re: [PATCH 5.15 327/913] lib: uninline simple_strntoull() as well Message-ID: References: <20220405070339.801210740@linuxfoundation.org> <20220405070349.652301661@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 06, 2022 at 03:34:52PM +0300, Alexey Dobriyan wrote: > On Tue, Apr 05, 2022 at 09:23:09AM +0200, Greg Kroah-Hartman wrote: > > From: Alexey Dobriyan > > > > [ Upstream commit 839b395eb9c13ae56ea5fc3ca9802734a72293f0 ] > > > > Codegen become bloated again after simple_strntoull() introduction > > > > add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-224 (-224) > > > -static unsigned long long simple_strntoull(const char *startp, size_t max_chars, > > - char **endp, unsigned int base) > > +static noinline unsigned long long simple_strntoull(const char *startp, size_t max_chars, char **endp, unsigned int base) > > This patch doesn't fix any bugs, why it is selected? Easy change to make the kernel a tiny bit smaller?