From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D24E7C4338F for ; Sat, 24 Jul 2021 17:05:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B03E660E92 for ; Sat, 24 Jul 2021 17:05:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229952AbhGXQZV (ORCPT ); Sat, 24 Jul 2021 12:25:21 -0400 Received: from zeniv-ca.linux.org.uk ([142.44.231.140]:49996 "EHLO zeniv-ca.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229530AbhGXQZP (ORCPT ); Sat, 24 Jul 2021 12:25:15 -0400 Received: from viro by zeniv-ca.linux.org.uk with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1m7L1d-003aTX-9q; Sat, 24 Jul 2021 17:01:21 +0000 Date: Sat, 24 Jul 2021 17:01:21 +0000 From: Al Viro To: Sven Eckelmann Cc: Arnd Bergmann , b.a.t.m.a.n@lists.open-mesh.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] asm-generic: avoid sparse {get,put}_unaligned warning Message-ID: References: <20210724162429.394792-1-sven@narfation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210724162429.394792-1-sven@narfation.org> Sender: Al Viro Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Jul 24, 2021 at 06:24:29PM +0200, Sven Eckelmann wrote: > The special attribute force must be used in such statements when the cast > is known to be safe to avoid these warnings. How about container_of(ptr, typeof(*__pptr), x) instead of a cast? Would be easier to follow...