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=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_MUTT 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 2D874C31E45 for ; Thu, 13 Jun 2019 20:42:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 06E3B2133D for ; Thu, 13 Jun 2019 20:42:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="k8P9/UKR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730084AbfFMUmO (ORCPT ); Thu, 13 Jun 2019 16:42:14 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:36684 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726177AbfFMUmO (ORCPT ); Thu, 13 Jun 2019 16:42:14 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=kshn4ZcN21VZaUe82Mo3RQdVUWkWj4qocgi4/UQKjOI=; b=k8P9/UKRp4ziFYYHWL66rO2eN D8jDNH/mFy2wOaQEW9uSGv0RfQKD05TV7PtJavRr9wrN7cJkB8wfWt/AmtznMxSq6rTAZGVQ2HVpa XQPIqMpRoUFkbXbQ4fCp5ig4uI3lfPVOeDOAomhyWj22TDlV0SGLb33Lw+7MSUQyU59EXt/TVQ0Ol PwXohXhe1r9HU780A44+R67Iz2UXTClS5VvByZUYqCRZtgUOdaLij2fPG9FK93ToE7aaI5JLN/m8V FJNmOZthc+982RGbAPHJF67z6BMyYCtWU3p0bzCvAy3jrWpLjULS3502EUDYVMpjW8lWvXQJh+9ZZ UffNyk1GA==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1hbWXh-0006Wi-Qw; Thu, 13 Jun 2019 20:41:53 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id A4A3720435AA1; Thu, 13 Jun 2019 22:41:51 +0200 (CEST) Date: Thu, 13 Jun 2019 22:41:51 +0200 From: Peter Zijlstra To: Josh Poimboeuf Cc: x86@kernel.org, linux-kernel@vger.kernel.org, Alexei Starovoitov , Daniel Borkmann , netdev@vger.kernel.org, bpf@vger.kernel.org, Song Liu , Kairui Song Subject: Re: [PATCH 0/9] x86/bpf: unwinder fixes Message-ID: <20190613204151.GP3436@hirez.programming.kicks-ass.net> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 13, 2019 at 08:20:57AM -0500, Josh Poimboeuf wrote: > Josh Poimboeuf (8): > objtool: Fix ORC unwinding in non-JIT BPF generated code > x86/bpf: Move epilogue generation to a dedicated function > x86/bpf: Simplify prologue generation > x86/bpf: Support SIB byte generation > x86/bpf: Fix JIT frame pointer usage > x86/unwind/orc: Fall back to using frame pointers for generated code > x86/bpf: Convert asm comments to AT&T syntax > x86/bpf: Convert MOV function/macro argument ordering to AT&T syntax > > 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 ++- > arch/x86/net/bpf_jit_comp.c | 355 ++++++++++++++++++++--------------- > kernel/bpf/core.c | 5 +- > tools/objtool/check.c | 16 +- > 5 files changed, 246 insertions(+), 166 deletions(-) Acked-by: Peter Zijlstra (Intel)