From patchwork Fri May 7 22:07:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 12245263 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=-19.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 D6D99C43461 for ; Fri, 7 May 2021 22:09:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BAAC9613D8 for ; Fri, 7 May 2021 22:09:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229849AbhEGWKo (ORCPT ); Fri, 7 May 2021 18:10:44 -0400 Received: from mail.kernel.org ([198.145.29.99]:56822 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229470AbhEGWKm (ORCPT ); Fri, 7 May 2021 18:10:42 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 08DB161104; Fri, 7 May 2021 22:09:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1620425382; bh=0/t1S5fGbGa5Ohrr5MIwcnVJfgCXnEXWaorzQUZBvzM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qP/oS8/amoNC6rjsM7c9SkGPGKTxo3zTyqAMtUbYHdnwaMJo9n8Q5fKD+a9TMhvbl SjOKOSjJXs4MXghFPquDemoajl8OsYCJDyBx/8qcU2isjm6PjXKK9BpM8u4uBeupHg G9SzkhGeTFqDkkLMj6qxPZrJRveNql/8n5jT85d2ymK89WbtsXsqEPwnbQd/RFAfT1 7j7Q0LpqrsLwKJKiBopVuV0jyG0QfxUuQ8YuVu1ZUtXQjymSli1GFqBygzAy1yy44R 6MDxawd+CGQUsLg9KFntoNvUj/P7uC0fYeQACT9paj6kbpr/goR/NsRv8eKgLRg3FX n4rsp7dLy/KmQ== From: Arnd Bergmann To: linux-arch@vger.kernel.org Cc: Linus Torvalds , Vineet Gupta , Arnd Bergmann , Richard Henderson , Ivan Kokshaysky , Matt Turner , Geert Uytterhoeven , Michal Simek , "James E.J. Bottomley" , Helge Deller , "David S. Miller" , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H. Peter Anvin" , Chris Zankel , Max Filippov , linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-parisc@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org Subject: [RFC 01/12] asm-generic: use asm-generic/unaligned.h for most architectures Date: Sat, 8 May 2021 00:07:46 +0200 Message-Id: <20210507220813.365382-2-arnd@kernel.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210507220813.365382-1-arnd@kernel.org> References: <20210507220813.365382-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org From: Arnd Bergmann There are several architectures that just duplicate the contents of asm-generic/unaligned.h, so change those over to use the file directly, to make future modifications easier. The exceptions are: - arm32 sets HAVE_EFFICIENT_UNALIGNED_ACCESS, but wants the unaligned-struct version - ppc64le disables HAVE_EFFICIENT_UNALIGNED_ACCESS but includes the access-ok version - m68k (non-dragonball) also uses the access-ok version without setting HAVE_EFFICIENT_UNALIGNED_ACCESS. - sh4a has a custom inline asm version - openrisc is the only one using the memmove version that generally leads to worse code. Signed-off-by: Arnd Bergmann Reviewed-by: Thomas Gleixner Reviewed-by: Geert Uytterhoeven Acked-by: Geert Uytterhoeven --- arch/alpha/include/asm/unaligned.h | 12 ---------- arch/ia64/include/asm/unaligned.h | 12 ---------- arch/m68k/include/asm/unaligned.h | 9 +------- arch/microblaze/include/asm/unaligned.h | 27 ----------------------- arch/parisc/include/asm/unaligned.h | 6 +---- arch/sparc/include/asm/unaligned.h | 11 ---------- arch/x86/include/asm/unaligned.h | 15 ------------- arch/xtensa/include/asm/unaligned.h | 29 ------------------------- 8 files changed, 2 insertions(+), 119 deletions(-) delete mode 100644 arch/alpha/include/asm/unaligned.h delete mode 100644 arch/ia64/include/asm/unaligned.h delete mode 100644 arch/microblaze/include/asm/unaligned.h delete mode 100644 arch/sparc/include/asm/unaligned.h delete mode 100644 arch/x86/include/asm/unaligned.h delete mode 100644 arch/xtensa/include/asm/unaligned.h diff --git a/arch/alpha/include/asm/unaligned.h b/arch/alpha/include/asm/unaligned.h deleted file mode 100644 index 863c807b66f8..000000000000 --- a/arch/alpha/include/asm/unaligned.h +++ /dev/null @@ -1,12 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_ALPHA_UNALIGNED_H -#define _ASM_ALPHA_UNALIGNED_H - -#include -#include -#include - -#define get_unaligned __get_unaligned_le -#define put_unaligned __put_unaligned_le - -#endif /* _ASM_ALPHA_UNALIGNED_H */ diff --git a/arch/ia64/include/asm/unaligned.h b/arch/ia64/include/asm/unaligned.h deleted file mode 100644 index 328942e3cbce..000000000000 --- a/arch/ia64/include/asm/unaligned.h +++ /dev/null @@ -1,12 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_IA64_UNALIGNED_H -#define _ASM_IA64_UNALIGNED_H - -#include -#include -#include - -#define get_unaligned __get_unaligned_le -#define put_unaligned __put_unaligned_le - -#endif /* _ASM_IA64_UNALIGNED_H */ diff --git a/arch/m68k/include/asm/unaligned.h b/arch/m68k/include/asm/unaligned.h index 98c8930d3d35..84e437337344 100644 --- a/arch/m68k/include/asm/unaligned.h +++ b/arch/m68k/include/asm/unaligned.h @@ -2,15 +2,8 @@ #ifndef _ASM_M68K_UNALIGNED_H #define _ASM_M68K_UNALIGNED_H - #ifdef CONFIG_CPU_HAS_NO_UNALIGNED -#include -#include -#include - -#define get_unaligned __get_unaligned_be -#define put_unaligned __put_unaligned_be - +#include #else /* * The m68k can do unaligned accesses itself. diff --git a/arch/microblaze/include/asm/unaligned.h b/arch/microblaze/include/asm/unaligned.h deleted file mode 100644 index 448299beab69..000000000000 --- a/arch/microblaze/include/asm/unaligned.h +++ /dev/null @@ -1,27 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Copyright (C) 2008 Michal Simek - * Copyright (C) 2006 Atmark Techno, Inc. - */ - -#ifndef _ASM_MICROBLAZE_UNALIGNED_H -#define _ASM_MICROBLAZE_UNALIGNED_H - -# ifdef __KERNEL__ - -# ifdef __MICROBLAZEEL__ -# include -# include -# define get_unaligned __get_unaligned_le -# define put_unaligned __put_unaligned_le -# else -# include -# include -# define get_unaligned __get_unaligned_be -# define put_unaligned __put_unaligned_be -# endif - -# include - -# endif /* __KERNEL__ */ -#endif /* _ASM_MICROBLAZE_UNALIGNED_H */ diff --git a/arch/parisc/include/asm/unaligned.h b/arch/parisc/include/asm/unaligned.h index e9029c7c2a69..3bda16773ba6 100644 --- a/arch/parisc/include/asm/unaligned.h +++ b/arch/parisc/include/asm/unaligned.h @@ -2,11 +2,7 @@ #ifndef _ASM_PARISC_UNALIGNED_H #define _ASM_PARISC_UNALIGNED_H -#include -#include -#include -#define get_unaligned __get_unaligned_be -#define put_unaligned __put_unaligned_be +#include #ifdef __KERNEL__ struct pt_regs; diff --git a/arch/sparc/include/asm/unaligned.h b/arch/sparc/include/asm/unaligned.h deleted file mode 100644 index 7971d89d2f54..000000000000 --- a/arch/sparc/include/asm/unaligned.h +++ /dev/null @@ -1,11 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_SPARC_UNALIGNED_H -#define _ASM_SPARC_UNALIGNED_H - -#include -#include -#include -#define get_unaligned __get_unaligned_be -#define put_unaligned __put_unaligned_be - -#endif /* _ASM_SPARC_UNALIGNED_H */ diff --git a/arch/x86/include/asm/unaligned.h b/arch/x86/include/asm/unaligned.h deleted file mode 100644 index 9c754a7447aa..000000000000 --- a/arch/x86/include/asm/unaligned.h +++ /dev/null @@ -1,15 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_X86_UNALIGNED_H -#define _ASM_X86_UNALIGNED_H - -/* - * The x86 can do unaligned accesses itself. - */ - -#include -#include - -#define get_unaligned __get_unaligned_le -#define put_unaligned __put_unaligned_le - -#endif /* _ASM_X86_UNALIGNED_H */ diff --git a/arch/xtensa/include/asm/unaligned.h b/arch/xtensa/include/asm/unaligned.h deleted file mode 100644 index 8e7ed046bfed..000000000000 --- a/arch/xtensa/include/asm/unaligned.h +++ /dev/null @@ -1,29 +0,0 @@ -/* - * Xtensa doesn't handle unaligned accesses efficiently. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2001 - 2005 Tensilica Inc. - */ -#ifndef _ASM_XTENSA_UNALIGNED_H -#define _ASM_XTENSA_UNALIGNED_H - -#include - -#ifdef __LITTLE_ENDIAN -# include -# include -# include -# define get_unaligned __get_unaligned_le -# define put_unaligned __put_unaligned_le -#else -# include -# include -# include -# define get_unaligned __get_unaligned_be -# define put_unaligned __put_unaligned_be -#endif - -#endif /* _ASM_XTENSA_UNALIGNED_H */