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=-0.9 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 F35C1C04AAD for ; Wed, 8 May 2019 09:41:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CF2FF21479 for ; Wed, 8 May 2019 09:41:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727297AbfEHJlb convert rfc822-to-8bit (ORCPT ); Wed, 8 May 2019 05:41:31 -0400 Received: from mx2.suse.de ([195.135.220.15]:51370 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726544AbfEHJlY (ORCPT ); Wed, 8 May 2019 05:41:24 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id D0738ADC7; Wed, 8 May 2019 09:41:21 +0000 (UTC) From: Nicolai Stange To: Steven Rostedt Cc: linux-kernel@vger.kernel.org, Linus Torvalds , Peter Zijlstra , Andy Lutomirski , Ingo Molnar , Andrew Morton , Andy Lutomirski , Nicolai Stange , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , "the arch\/x86 maintainers" , Josh Poimboeuf , Jiri Kosina , Miroslav Benes , Petr Mladek , Joe Lawrence , Shuah Khan , Konrad Rzeszutek Wilk , Tim Chen , Sebastian Andrzej Siewior , Mimi Zohar , Juergen Gross , Nick Desaulniers , Nayna Jain , Masahiro Yamada , Joerg Roedel , "open list\:KERNEL SELFTEST FRAMEWORK" , stable , Masami Hiramatsu Subject: Re: [PATCH 0/3] x86_64/ftrace: Emulate calls from int3 when patching functions References: <20190508015559.767152678@goodmis.org> Date: Wed, 08 May 2019 11:41:19 +0200 In-Reply-To: <20190508015559.767152678@goodmis.org> (Steven Rostedt's message of "Tue, 07 May 2019 21:55:59 -0400") Message-ID: <87lfzhwaf4.fsf@suse.de> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Steven Rostedt writes: > [ > This is the non-RFC version. > > It went through and passed all my tests. If there's no objections > I'm going to include this in my pull request. I still have patches > in my INBOX that may still be included, so I need to run those through > my tests as well, so a pull request wont be immediate. > ] > Josh Poimboeuf (1): > x86_64: Add gap to int3 to allow for call emulation > > Peter Zijlstra (2): > x86_64: Allow breakpoints to emulate call instructions > ftrace/x86_64: Emulate call function while updating in breakpoint handler Reviewed-and-tested-by: Nicolai Stange for the whole series. Many, many thanks to everybody involved! I'll resend that live patching selftest once this fix here has been merged. Nicolai -- SUSE Linux GmbH, GF: Felix Imendörffer, Mary Higgins, Sri Rasiah, HRB 21284 (AG Nürnberg)