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=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 1E499C43381 for ; Thu, 28 Feb 2019 18:38:59 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9691520854 for ; Thu, 28 Feb 2019 18:38:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9691520854 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 449Lt8687hzDqCX for ; Fri, 1 Mar 2019 05:38:56 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=arm.com (client-ip=217.140.101.70; helo=foss.arm.com; envelope-from=sudeep.holla@arm.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=arm.com Received: from foss.arm.com (usa-sjc-mx-foss1.foss.arm.com [217.140.101.70]) by lists.ozlabs.org (Postfix) with ESMTP id 449Lkw0FJbzDqHS for ; Fri, 1 Mar 2019 05:32:31 +1100 (AEDT) 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 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 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Haibo Xu , Steve Capper , jdike@addtoit.com, Sudeep Holla , Will Deacon , Oleg Nesterov , Bin Lu , Richard Weinberger , Ingo Molnar , Paul Mackerras , Catalin Marinas , Thomas Gleixner Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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