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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 DBAD8C48BD3 for ; Thu, 27 Jun 2019 00:35:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AD39521874 for ; Thu, 27 Jun 2019 00:35:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728197AbfF0AfE (ORCPT ); Wed, 26 Jun 2019 20:35:04 -0400 Received: from mx1.redhat.com ([209.132.183.28]:42526 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727435AbfF0Ae7 (ORCPT ); Wed, 26 Jun 2019 20:34:59 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 06DF9C05678B; Thu, 27 Jun 2019 00:34:51 +0000 (UTC) Received: from treble.redhat.com (ovpn-126-66.rdu2.redhat.com [10.10.126.66]) by smtp.corp.redhat.com (Postfix) with ESMTP id A5DFF5D9D6; Thu, 27 Jun 2019 00:34:48 +0000 (UTC) From: Josh Poimboeuf To: x86@kernel.org Cc: linux-kernel@vger.kernel.org, Peter Zijlstra , Song Liu , Kairui Song , Steven Rostedt , Thomas Gleixner , Borislav Petkov , Ingo Molnar Subject: [PATCH v3 0/4] x86: bpf unwinder fixes Date: Wed, 26 Jun 2019 19:33:51 -0500 Message-Id: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Thu, 27 Jun 2019 00:34:59 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org v3: - Drop even more NACKed BPF changes. - Coincidentally, a separate fix has already been merged for JIT frame pointers: fe8d9571dc50 ("bpf, x64: fix stack layout of JITed bpf code") - 32-bit JIT frame pointers are still broken. I have a small patch which should fix it, if anybody wants to try interacting with the maintainer. - Split the objtool jump table detection feature into a separate patch to clarify that it's a generic objtool feature. Josh Poimboeuf (3): objtool: Add support for C jump tables bpf: Fix ORC unwinding in non-JIT BPF code x86/unwind/orc: Fall back to using frame pointers for generated code Song Liu (1): perf/x86: Always store regs->ip in perf_callchain_kernel() arch/x86/events/core.c | 10 +++++----- arch/x86/kernel/unwind_orc.c | 26 ++++++++++++++++++++++---- kernel/bpf/core.c | 5 ++--- tools/objtool/check.c | 16 ++++++++++++++-- 4 files changed, 43 insertions(+), 14 deletions(-) -- 2.20.1