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 7CA7EC433B4 for ; Tue, 6 Apr 2021 08:49:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4A7AB613C0 for ; Tue, 6 Apr 2021 08:49:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244582AbhDFItw (ORCPT ); Tue, 6 Apr 2021 04:49:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53140 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232593AbhDFItu (ORCPT ); Tue, 6 Apr 2021 04:49:50 -0400 Received: from mail.sf-mail.de (mail.sf-mail.de [IPv6:2a01:4f8:1c17:6fae:616d:6c69:616d:6c69]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F3F9DC061756 for ; Tue, 6 Apr 2021 01:49:42 -0700 (PDT) Received: (qmail 10825 invoked from network); 6 Apr 2021 08:47:46 -0000 Received: from p548c78d7.dip0.t-ipconnect.de ([::ffff:84.140.120.215]:53768 HELO daneel.sf-tec.de) (auth=eike@sf-mail.de) by mail.sf-mail.de (Qsmtpd 0.37dev) with (TLS_AES_256_GCM_SHA384 encrypted) ESMTPSA for ; Tue, 06 Apr 2021 10:47:46 +0200 From: Rolf Eike Beer To: linux-parisc@vger.kernel.org, Helge Deller , Gao Xiang Cc: Liam Beguin , linux-kernel@vger.kernel.org, Gao Xiang Subject: Re: [PATCH] parisc: avoid a warning on u8 cast for cmpxchg on u8 pointers Date: Tue, 06 Apr 2021 10:49:29 +0200 Message-ID: <11726853.O9o76ZdvQC@daneel.sf-tec.de> In-Reply-To: <20210406045929.30331-1-xiang@kernel.org> References: <20210406045929.30331-1-xiang@kernel.org> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart5451194.DvuYhMxLoT"; micalg="pgp-sha1"; protocol="application/pgp-signature" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --nextPart5451194.DvuYhMxLoT Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Am Dienstag, 6. April 2021, 06:59:29 CEST schrieb Gao Xiang: > From: Gao Xiang > > commit b344d6a83d01 ("parisc: add support for cmpxchg on u8 pointers") > can generate a sparse warningi ("cast truncates bits from constant ^ > value"), which has been reported several times [1] [2] [3]. --nextPart5451194.DvuYhMxLoT Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. Content-Transfer-Encoding: 7Bit -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQSaYVDeqwKa3fTXNeNcpIk+abn8TgUCYGwgmQAKCRBcpIk+abn8 Tj+uAJ9iY5gMCVZrNhoKd7YvJtn1n51IBgCfWsFvKmIuIzSjPF1yfwQDy/4NoJM= =xD+F -----END PGP SIGNATURE----- --nextPart5451194.DvuYhMxLoT--