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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 085C5C433FE for ; Sat, 4 Dec 2021 12:15:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1384903AbhLDMTW (ORCPT ); Sat, 4 Dec 2021 07:19:22 -0500 Received: from jabberwock.ucw.cz ([46.255.230.98]:59078 "EHLO jabberwock.ucw.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236691AbhLDMTV (ORCPT ); Sat, 4 Dec 2021 07:19:21 -0500 Received: by jabberwock.ucw.cz (Postfix, from userid 1017) id 7E8E11C0BA4; Sat, 4 Dec 2021 13:15:54 +0100 (CET) Date: Sat, 4 Dec 2021 13:15:53 +0100 From: Pavel Machek To: Sasha Levin Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Helge Deller , John David Anglin , James.Bottomley@HansenPartnership.com, svens@stackframe.org, linux-parisc@vger.kernel.org Subject: Re: [PATCH AUTOSEL 4.4 4/9] parisc: Provide an extru_safe() macro to extract unsigned bits Message-ID: <20211204121553.GA14855@duo.ucw.cz> References: <20211130145402.947049-1-sashal@kernel.org> <20211130145402.947049-4-sashal@kernel.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="SLDf9lqlvOQaIe6s" Content-Disposition: inline In-Reply-To: <20211130145402.947049-4-sashal@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --SLDf9lqlvOQaIe6s Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > From: Helge Deller >=20 > [ Upstream commit 169d1a4a2adb2c246396c56aa2f9eec3868546f1 ] >=20 > The extru instruction leaves the most significant 32 bits of the > target register in an undefined state on PA 2.0 systems. > Provide a macro to safely use extru on 32- and 64-bit machines. As the macro is not used by subsequent 4.4 patches, I don't believe this is suitable for -stable. Best regards, Pavel --=20 'DENX Software Engineering GmbH, Managing Director: Wolfgang Denk' 'HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany' --SLDf9lqlvOQaIe6s Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQRPfPO7r0eAhk010v0w5/Bqldv68gUCYatb+QAKCRAw5/Bqldv6 8vZgAJwNJfS0alYMDuhThPe/0GSNC3mCqQCfekVNPzFj9sq4DMHvmkIQFmBgrsI= =2sbg -----END PGP SIGNATURE----- --SLDf9lqlvOQaIe6s--