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=-7.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,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 C5237C433DF for ; Wed, 15 Jul 2020 20:44:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 800092067D for ; Wed, 15 Jul 2020 20:44:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594845896; bh=lSC8kgUvJWuaUKxsKjBjCdclZg7uZic1lS/dXUaF4qU=; h=From:To:Cc:Subject:Date:List-ID:From; b=waWRicxInCdJZnBk4T2jMm8vQa4OcK6EWfs7DX2rvtN5Y23EAtr605w4hxsF2lZfQ wzmYS85bjFInZMgCbpiERvUjz2vLdsAuPQB+o/N0woSLx+orf4aJLrmFoVuldRSXVr PL4p3cXrPf1HkBRcw724uhrLP6SE3q/yNOtTppvs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726977AbgGOUoz (ORCPT ); Wed, 15 Jul 2020 16:44:55 -0400 Received: from mail.kernel.org ([198.145.29.99]:37536 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725917AbgGOUox (ORCPT ); Wed, 15 Jul 2020 16:44:53 -0400 Received: from localhost (fw-tnat.cambridge.arm.com [217.140.96.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 15E342065F; Wed, 15 Jul 2020 20:44:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594845893; bh=lSC8kgUvJWuaUKxsKjBjCdclZg7uZic1lS/dXUaF4qU=; h=From:To:Cc:Subject:Date:From; b=Rd1HgCn+i2GELxHAvY1++7DeYlnlASEqXe0kXTtOIoywbloM3mdxRmiKeaJJxZAun XEKJqSmapHsBZF0OgNqGHOTzbq9DYdcdD+x+JsHtRGnpksIXE4GskpmC2Kod73ecwk mMAB8jTtYGl/WH2yrOysvfXAtJ6OPjQ4zgOBq5hY= From: Mark Brown To: Catalin Marinas , Will Deacon , Heiko Carstens , Vasily Gorbik , Thomas Gleixner , Borislav Petkov , "H. Peter Anvin" Cc: Christian Borntraeger , Ingo Molnar , Jiri Slaby , x86@kernel.org, linux-arm-kernel@lists.infradead.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Brown Subject: [PATCH 0/3] arm64: Convert to ARCH_STACKWALK Date: Wed, 15 Jul 2020 21:28:18 +0100 Message-Id: <20200715202821.12220-1-broonie@kernel.org> X-Mailer: git-send-email 2.20.1 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 This series updates the arm64 stacktrace code to use the newer and much simpler arch_stack_walk() interface, the main benefit being a single entry point to the arch code with no need for the arch code to worry about skipping frames. Along the way I noticed that the reliable parameter to the arch_stack_walk() callback appears to now be redundant so there's also a patch here removing that from the existing code to simplify the interface. This depends on 0de674afe83cb2367 (arm64: stacktrace: Move export for save_stack_trace_tsk()) due to the code that was fixed there being removed. Mark Brown (3): stacktrace: Remove reliable argument from arch_stack_walk() callback arm64: stacktrace: Make stack walk callback consistent with generic code arm64: stacktrace: Convert to ARCH_STACKWALK arch/arm64/Kconfig | 1 + arch/arm64/include/asm/stacktrace.h | 2 +- arch/arm64/kernel/perf_callchain.c | 6 +-- arch/arm64/kernel/return_address.c | 8 +-- arch/arm64/kernel/stacktrace.c | 84 ++++------------------------- arch/s390/kernel/stacktrace.c | 4 +- arch/x86/kernel/stacktrace.c | 10 ++-- include/linux/stacktrace.h | 5 +- kernel/stacktrace.c | 8 ++- 9 files changed, 30 insertions(+), 98 deletions(-) -- 2.20.1