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=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 2B579C43381 for ; Thu, 28 Feb 2019 18:32:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0C612218AE for ; Thu, 28 Feb 2019 18:32:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387449AbfB1Sc3 (ORCPT ); Thu, 28 Feb 2019 13:32:29 -0500 Received: from foss.arm.com ([217.140.101.70]:52828 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732645AbfB1Sc3 (ORCPT ); Thu, 28 Feb 2019 13:32:29 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id A6BBBEBD; Thu, 28 Feb 2019 10:32:28 -0800 (PST) Received: from usa.arm.com (e107155-lin.cambridge.arm.com [10.1.196.42]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id D5A523F5C1; Thu, 28 Feb 2019 10:32:25 -0800 (PST) From: Sudeep Holla To: x86@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Cc: Sudeep Holla , Catalin Marinas , Will Deacon , Oleg Nesterov , Paul Mackerras , Michael Ellerman , Thomas Gleixner , Ingo Molnar , Richard Weinberger , jdike@addtoit.com, Steve Capper , Haibo Xu , Bin Lu Subject: [PATCH 0/6] ptrace: consolidate PTRACE_SYSEMU handling and add support for arm64 Date: Thu, 28 Feb 2019 18:32:14 +0000 Message-Id: <20190228183220.15626-1-sudeep.holla@arm.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, This patchset evolved from the discussion in the thread[0][1]. When we wanted to add PTRACE_SYSEMU support to ARM64, we thought instead of duplicating what other architectures like x86 and powerpc have done, let consolidate the existing support and move it to the core as there's nothing arch specific in it. So this is the first attempt to the same. Regards, Sudeep [0] https://patchwork.kernel.org/patch/10585505/ [1] https://patchwork.kernel.org/patch/10675237/ Sudeep Holla (6): ptrace: move clearing of TIF_SYSCALL_EMU flag to core ptrace: introduce ptrace_syscall_enter to consolidate PTRACE_SYSEMU handling x86: clean up _TIF_SYSCALL_EMU handling using ptrace_syscall_enter hook powerpc: use common ptrace_syscall_enter hook to handle _TIF_SYSCALL_EMU arm64: add PTRACE_SYSEMU{,SINGLESTEP} definations to uapi headers arm64: ptrace: add support for syscall emulation arch/arm64/include/asm/thread_info.h | 5 ++- arch/arm64/include/uapi/asm/ptrace.h | 3 ++ arch/arm64/kernel/ptrace.c | 3 ++ arch/powerpc/kernel/ptrace.c | 51 ++++++++++++---------------- arch/x86/entry/common.c | 22 +++--------- arch/x86/kernel/ptrace.c | 3 -- include/linux/ptrace.h | 1 + kernel/ptrace.c | 20 +++++++++++ 8 files changed, 57 insertions(+), 51 deletions(-) -- 2.17.1