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 17956C88C8C for ; Fri, 9 Jun 2023 08:27:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240870AbjFII1C (ORCPT ); Fri, 9 Jun 2023 04:27:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57478 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241419AbjFIIZx (ORCPT ); Fri, 9 Jun 2023 04:25:53 -0400 Received: from elvis.franken.de (elvis.franken.de [193.175.24.41]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 53A213C13; Fri, 9 Jun 2023 01:24:52 -0700 (PDT) Received: from uucp (helo=alpha) by elvis.franken.de with local-bsmtp (Exim 3.36 #1) id 1q7XQE-0004Jv-06; Fri, 09 Jun 2023 10:24:38 +0200 Received: by alpha.franken.de (Postfix, from userid 1000) id EE916C02EE; Fri, 9 Jun 2023 10:22:42 +0200 (CEST) Date: Fri, 9 Jun 2023 10:22:42 +0200 From: Thomas Bogendoerfer To: Paul Cercueil Cc: Paul Burton , Siarhei Volkau , linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, list@opendingux.net Subject: Re: [PATCH 1/4] MIPS: uaccess: emulate Ingenic LXW/LXH/LXHU uaccess Message-ID: <20230609082242.GG8160@alpha.franken.de> References: <20230604122655.69698-1-paul@crapouillou.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230604122655.69698-1-paul@crapouillou.net> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Jun 04, 2023 at 02:26:52PM +0200, Paul Cercueil wrote: > From: Siarhei Volkau > > The LXW, LXH, LXHU opcodes are part of the MXU ASE found in Ingenic > XBurst based SoCs. > > While technically part of the MXU ASE, they do not touch any of the SIMD > registers, and can be used even when the MXU ASE is disabled. > > This patch makes it possible to emulate unaligned access for those > instructions. > > Signed-off-by: Siarhei Volkau > --- > arch/mips/include/uapi/asm/inst.h | 33 +++++++++++++++++++++++++ > arch/mips/kernel/unaligned.c | 41 +++++++++++++++++++++++++++++++ > 2 files changed, 74 insertions(+) applied to mips-next. Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]