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=1.5 required=3.0 tests=DKIM_SIGNED,FSL_HELO_FAKE, MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID,URIBL_BLOCKED,USER_AGENT_MUTT 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 450D9C43140 for ; Thu, 21 Jun 2018 14:35:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F13FC20652 for ; Thu, 21 Jun 2018 14:35:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="JdveT+u/" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F13FC20652 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933018AbeFUOfi (ORCPT ); Thu, 21 Jun 2018 10:35:38 -0400 Received: from mail-wr0-f193.google.com ([209.85.128.193]:35620 "EHLO mail-wr0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932514AbeFUOfe (ORCPT ); Thu, 21 Jun 2018 10:35:34 -0400 Received: by mail-wr0-f193.google.com with SMTP id l8-v6so3474298wrr.2 for ; Thu, 21 Jun 2018 07:35:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=t4VOfh5sAizYqId91xNOzZpTi6F6aHOaUbHf8r1ZB+I=; b=JdveT+u/PPjaR9xXg/ms369p4l7a7d+NCeufpvHmN4OGschrg+zkzvLNLED/oMEGh+ VMN5/Csvm4pPG2Fi61Pr4OpvwSyOcdfnvRhaoLh0q+SziorFewFiht/iM97TodamU7o5 2HkiFrVe6hHPcKrVsjLImNCmFexekuwV7ij2P7PFie4Fy06Qk++FLxKERqE4CQsE0BES Ydu8XLRoRmBSO3zkuX+W+66O7vKz0CxtK6r2ZBX1mt8brWNnUvdMapRJlgLSxu7Ne23x UoMvnend99NRAciAxB0WduwGwzKfSI7OJHyeU73ZlThEpFhu2kvxrBWh7A+eptKd9Lt4 ASaQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to:user-agent; bh=t4VOfh5sAizYqId91xNOzZpTi6F6aHOaUbHf8r1ZB+I=; b=Pmu2qw3Mrd6r3lf6JB3xcv/0ZCbcSun9hUZCwn70n5fOFzl7j6tiZ9t6QwAiR8dY67 eBeAIIxmy6QMQUVwhdOESyFkQMzYJ7tARvhkbEqLt909gwKlxGz9un9QKZ1kxd5Rt9j/ EEBW7b/NdzP7kjB4/xNka2yNrmEbZy5HNnkwPKn9TLo/ob16XG8lxUva6GpmejFiXFF1 1V64Ik6mktZ1SZEh1+X34H0Y34zN9Vbt6M5RfiKpaZtNUsE7ETFNMFCQleqUyFX5UMhn CZ5X7J7/D5FwxRiFpylNXzCSaSS+Fev4IRylePjpReehxtbojpVI/VXPdzCqBFObAmjV Nr+w== X-Gm-Message-State: APt69E0mSV6JlO3EnVduV5VVX/JhBnf5j28Paq8PJDEgC7EvKYy9Kv1M UGSt7lUOkfPUqOe+HRP1fWA= X-Google-Smtp-Source: AAOMgpcl0JJ/4/yDlLf9sWdczSGaqCuwLuoH+5+JKoJcrEeVvrOvN0OJEELTKkXe2lAJmk8OfP1DEA== X-Received: by 2002:adf:b964:: with SMTP id b33-v6mr2031156wrg.265.1529591733780; Thu, 21 Jun 2018 07:35:33 -0700 (PDT) Received: from gmail.com (2E8B0CD5.catv.pool.telekom.hu. [46.139.12.213]) by smtp.gmail.com with ESMTPSA id d4-v6sm1901477wrp.51.2018.06.21.07.35.32 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 21 Jun 2018 07:35:33 -0700 (PDT) Date: Thu, 21 Jun 2018 16:35:30 +0200 From: Ingo Molnar To: Josh Poimboeuf Cc: Jiri Slaby , Peter Zijlstra , Andy Lutomirski , Borislav Petkov , mingo@redhat.com, linux-kernel@vger.kernel.org, Thomas Gleixner , "H. Peter Anvin" , x86@kernel.org Subject: Re: [PATCH v3 1/6] x86/stacktrace: do not unwind after user regs Message-ID: <20180621143530.GA14228@gmail.com> References: <20180518064713.26440-1-jslaby@suse.cz> <20180518065547.GA18262@gmail.com> <20180518224125.w2ty35wngxbzx6kv@treble> <20180519074251.GA2952@gmail.com> <20180522160609.yppbfdpfoigoyuxg@treble> <20180531134642.sl2ezvng2cdsyklk@treble> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180531134642.sl2ezvng2cdsyklk@treble> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Josh Poimboeuf wrote: > On Tue, May 22, 2018 at 11:06:09AM -0500, Josh Poimboeuf wrote: > > On Sat, May 19, 2018 at 09:42:51AM +0200, Ingo Molnar wrote: > > > > > > * Josh Poimboeuf wrote: > > > > > > > On Fri, May 18, 2018 at 08:55:47AM +0200, Ingo Molnar wrote: > > > > > > > > > > * Jiri Slaby wrote: > > > > > > > > > > > Josh pointed out, that there is no way a frame can be after user regs. > > > > > > So remove the last unwind and the check. > > > > > > > > > > > > Signed-off-by: Jiri Slaby > > > > > > Cc: Thomas Gleixner > > > > > > Cc: Ingo Molnar > > > > > > Cc: "H. Peter Anvin" > > > > > > Cc: x86@kernel.org > > > > > > Cc: Josh Poimboeuf > > > > > > > > > > Josh: an Acked-by or Reviewed-by for the whole series from you would be nice. > > > > > > > > The patches look good, but I want to run it through some testing before > > > > I give them an ACK. > > > > For the series: > > > > Acked-by: Josh Poimboeuf > > Ingo, > > Any chance this can make the next merge window? Applied now - will push it out after testing. Thanks, Ingo