From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935242AbcIPTSk (ORCPT ); Fri, 16 Sep 2016 15:18:40 -0400 Received: from mx1.redhat.com ([209.132.183.28]:34008 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935225AbcIPTSc (ORCPT ); Fri, 16 Sep 2016 15:18:32 -0400 From: Josh Poimboeuf To: Thomas Gleixner , Ingo Molnar , "H . Peter Anvin" Cc: x86@kernel.org, linux-kernel@vger.kernel.org, Andy Lutomirski , Linus Torvalds , Steven Rostedt , Brian Gerst , Kees Cook , Peter Zijlstra , Frederic Weisbecker , Byungchul Park , Nilay Vaish Subject: [PATCH v2 0/6] x86/dumpstack: replace dump_trace() with a new unwinder Date: Fri, 16 Sep 2016 14:18:11 -0500 Message-Id: X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Fri, 16 Sep 2016 19:18:32 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org v2: - rebase on latest tip - remove NULL task pointer convention --- The last version was posted as part of a much larger patch set: https://lkml.kernel.org/r/cover.1471525031.git.jpoimboe@redhat.com People complained about the set being too big, so it was split up into more digestible pieces. All the prerequisite patches for the unwinder have now been merged. See patch 1/6 for the background and justification for this change. Josh Poimboeuf (6): x86/unwind: add new unwind interface and implementations perf/x86: convert perf_callchain_kernel() to use the new unwinder x86/stacktrace: convert save_stack_trace_*() to use the new unwinder oprofile/x86: convert x86_backtrace() to use the new unwinder x86/dumpstack: convert show_trace_log_lvl() to use the new unwinder x86/dumpstack: remove dump_trace() and related callbacks arch/x86/events/core.c | 33 +++----- arch/x86/include/asm/stacktrace.h | 46 +---------- arch/x86/include/asm/unwind.h | 73 ++++++++++++++++ arch/x86/kernel/Makefile | 6 ++ arch/x86/kernel/dumpstack.c | 170 +++++++++++++++++--------------------- arch/x86/kernel/dumpstack_32.c | 44 +--------- arch/x86/kernel/dumpstack_64.c | 78 +---------------- arch/x86/kernel/stacktrace.c | 74 +++++++---------- arch/x86/kernel/unwind_frame.c | 93 +++++++++++++++++++++ arch/x86/kernel/unwind_guess.c | 43 ++++++++++ arch/x86/oprofile/backtrace.c | 39 ++++----- 11 files changed, 357 insertions(+), 342 deletions(-) create mode 100644 arch/x86/include/asm/unwind.h create mode 100644 arch/x86/kernel/unwind_frame.c create mode 100644 arch/x86/kernel/unwind_guess.c -- 2.7.4