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=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 5766AC3A59F for ; Thu, 29 Aug 2019 10:23:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 32FB0233A1 for ; Thu, 29 Aug 2019 10:23:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727122AbfH2KXv (ORCPT ); Thu, 29 Aug 2019 06:23:51 -0400 Received: from mx2.suse.de ([195.135.220.15]:59506 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726723AbfH2KXu (ORCPT ); Thu, 29 Aug 2019 06:23:50 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 5148EB0B3; Thu, 29 Aug 2019 10:23:48 +0000 (UTC) From: Michal Suchanek To: linuxppc-dev@lists.ozlabs.org Cc: Michal Suchanek , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Christophe Leroy , Nicholas Piggin , Hari Bathini , Joel Stanley , Andrew Donnellan , Firoz Khan , Breno Leitao , Russell Currey , Nicolai Stange , Michael Neuling , "Eric W. Biederman" , Thomas Gleixner , Arnd Bergmann , Geert Uytterhoeven , Heiko Carstens , Christian Brauner , David Howells , Greg Kroah-Hartman , Allison Randal , David Hildenbrand , linux-kernel@vger.kernel.org Subject: [PATCH v4 0/4] Disable compat cruft on ppc64le v4 Date: Thu, 29 Aug 2019 12:23:39 +0200 Message-Id: X-Mailer: git-send-email 2.22.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Less code means less bugs so add a knob to skip the compat stuff. This is tested on ppc64le top of https://patchwork.ozlabs.org/cover/1153556/ Changes in v2: saner CONFIG_COMPAT ifdefs Changes in v3: - change llseek to 32bit instead of builing it unconditionally in fs - clanup the makefile conditionals - remove some ifdefs or convert to IS_DEFINED where possible Changes in v4: - cleanup is_32bit_task and current_is_64bit - more makefile cleanup Michal Suchanek (4): powerpc: make llseek 32bit-only. powerpc: move common register copy functions from signal_32.c to signal.c powerpc/64: make buildable without CONFIG_COMPAT powerpc/64: Make COMPAT user-selectable disabled on littleendian by default. arch/powerpc/Kconfig | 5 +- arch/powerpc/include/asm/thread_info.h | 4 +- arch/powerpc/kernel/Makefile | 7 +- arch/powerpc/kernel/entry_64.S | 2 + arch/powerpc/kernel/signal.c | 144 ++++++++++++++++++++++- arch/powerpc/kernel/signal_32.c | 140 ---------------------- arch/powerpc/kernel/syscall_64.c | 6 +- arch/powerpc/kernel/syscalls/syscall.tbl | 2 +- arch/powerpc/kernel/vdso.c | 5 +- arch/powerpc/perf/callchain.c | 14 ++- 10 files changed, 167 insertions(+), 162 deletions(-) -- 2.22.0