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=-4.0 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 C808BC49ED7 for ; Fri, 13 Sep 2019 12:58:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AA1002084F for ; Fri, 13 Sep 2019 12:58:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730183AbfIMM6K (ORCPT ); Fri, 13 Sep 2019 08:58:10 -0400 Received: from mx2.suse.de ([195.135.220.15]:44344 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726771AbfIMM6K (ORCPT ); Fri, 13 Sep 2019 08:58:10 -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 5836BAF77; Fri, 13 Sep 2019 12:58:07 +0000 (UTC) From: Michal Suchanek To: linuxppc-dev@lists.ozlabs.org Cc: Michal Suchanek , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Alexander Viro , Nicholas Piggin , Christophe Leroy , Breno Leitao , Arnd Bergmann , Heiko Carstens , Greg Kroah-Hartman , Firoz Khan , Thomas Gleixner , Joel Stanley , Hari Bathini , Michael Neuling , Andrew Donnellan , Russell Currey , Diana Craciun , "Eric W. Biederman" , David Hildenbrand , Allison Randal , Andrew Morton , Madhavan Srinivasan , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: [PATCH v9 0/8] Disable compat cruft on ppc64le v9 Date: Fri, 13 Sep 2019 14:57:54 +0200 Message-Id: X-Mailer: git-send-email 2.23.0 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/patch/1153850/ https://patchwork.ozlabs.org/patch/1158412/ 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 Changes in v5: - more current_is_64bit cleanup - split off callchain.c 32bit and 64bit parts Changes in v6: - cleanup makefile after split - consolidate read_user_stack_32 - fix some checkpatch warnings Changes in v7: - add back __ARCH_WANT_SYS_LLSEEK to fix build with llseek - remove leftover hunk - add review tags Changes in v8: - consolidate valid_user_sp to fix it in the split callchain.c - fix build errors/warnings with PPC64 !COMPAT and PPC32 Changes in v9: - remove current_is_64bit() Michal Suchanek (8): powerpc: Add back __ARCH_WANT_SYS_LLSEEK macro powerpc: move common register copy functions from signal_32.c to signal.c powerpc/perf: consolidate read_user_stack_32 powerpc/perf: consolidate valid_user_sp powerpc/perf: remove current_is_64bit() powerpc/64: make buildable without CONFIG_COMPAT powerpc/64: Make COMPAT user-selectable disabled on littleendian by default. powerpc/perf: split callchain.c by bitness arch/powerpc/Kconfig | 5 +- arch/powerpc/include/asm/thread_info.h | 4 +- arch/powerpc/include/asm/unistd.h | 1 + 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/vdso.c | 3 +- arch/powerpc/perf/Makefile | 5 +- arch/powerpc/perf/callchain.c | 387 +------------------------ arch/powerpc/perf/callchain.h | 25 ++ arch/powerpc/perf/callchain_32.c | 197 +++++++++++++ arch/powerpc/perf/callchain_64.c | 178 ++++++++++++ fs/read_write.c | 3 +- 15 files changed, 565 insertions(+), 542 deletions(-) create mode 100644 arch/powerpc/perf/callchain.h create mode 100644 arch/powerpc/perf/callchain_32.c create mode 100644 arch/powerpc/perf/callchain_64.c -- 2.23.0