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=-2.8 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 CA957C6778F for ; Mon, 9 Jul 2018 14:19:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7A7E620878 for ; Mon, 9 Jul 2018 14:19:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7A7E620878 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754558AbeGIOTG (ORCPT ); Mon, 9 Jul 2018 10:19:06 -0400 Received: from foss.arm.com ([217.140.101.70]:59788 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752112AbeGIOTF (ORCPT ); Mon, 9 Jul 2018 10:19:05 -0400 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 BCAB2ED1; Mon, 9 Jul 2018 07:19:04 -0700 (PDT) Received: from edgewater-inn.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 8DE543F589; Mon, 9 Jul 2018 07:19:04 -0700 (PDT) Received: by edgewater-inn.cambridge.arm.com (Postfix, from userid 1000) id 08EFB1AE3638; Mon, 9 Jul 2018 15:19:45 +0100 (BST) From: Will Deacon To: linux-arm-kernel@lists.infradead.org, mathieu.desnoyers@efficios.com Cc: arnd@arndb.de, peterz@infradead.org, paulmck@linux.vnet.ibm.com, boqun.feng@gmail.com, peter.maydell@linaro.org, linux-kernel@vger.kernel.org, Will Deacon Subject: [PATCH v2 0/3] Support rseq on arm64 Date: Mon, 9 Jul 2018 15:19:42 +0100 Message-Id: <1531145985-3747-1-git-send-email-will.deacon@arm.com> X-Mailer: git-send-email 2.1.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, This is version two of the patches previously posted here: http://lkml.kernel.org/r/1529949285-11013-1-git-send-email-will.deacon@arm.com Changes since v1 include: * Move abort handler in-line to avoid possibility of it being out-of-range for conditional branch instructions I've tested both native and compat (little-endian only) with the selftests and they pass successfully on my Seattle box. Thanks, Will --->8 Will Deacon (3): arm64: rseq: Implement backend rseq calls and select HAVE_RSEQ asm-generic: unistd.h: Wire up sys_rseq rseq/selftests: Add support for arm64 arch/arm64/Kconfig | 1 + arch/arm64/include/asm/unistd.h | 2 +- arch/arm64/include/asm/unistd32.h | 2 + arch/arm64/kernel/entry.S | 2 + arch/arm64/kernel/ptrace.c | 2 + arch/arm64/kernel/signal.c | 3 + include/uapi/asm-generic/unistd.h | 4 +- tools/testing/selftests/rseq/param_test.c | 20 + tools/testing/selftests/rseq/rseq-arm64.h | 594 ++++++++++++++++++++++++++++++ tools/testing/selftests/rseq/rseq.h | 2 + 10 files changed, 630 insertions(+), 2 deletions(-) create mode 100644 tools/testing/selftests/rseq/rseq-arm64.h -- 2.1.4