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, USER_AGENT_SANE_1 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 A1072C76186 for ; Wed, 17 Jul 2019 07:47:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7661C20818 for ; Wed, 17 Jul 2019 07:47:39 +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="gQEbcXoC" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726818AbfGQHri (ORCPT ); Wed, 17 Jul 2019 03:47:38 -0400 Received: from merlin.infradead.org ([205.233.59.134]:34946 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725912AbfGQHri (ORCPT ); Wed, 17 Jul 2019 03:47:38 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.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=137oFZdIMwQeknQ338SRCTrIfINUInCNQV8/ADqzoZQ=; b=gQEbcXoCLBv5bror+grY2I1qL OpkcQCC8KyTxHYUIde8PkDqM7Svzc+XcFme1M192nKJDvk9KOfRVWFGYXaTmpSC8x3fkYiIkHELMs J6okvQSea68X9nAdF0YRfve1pTpsTz6fiNLdXtfYYvsV7HOTSkvHwyZ084toVr2LJXjxAq114YOtn OGdwEEAiyAY2z3+oRkTlhyJVMJmX2xqteiZU586Rq2+TujCBQh8xR16ZRyXsP79EQA9yuFWKzyqno eymQbOfVY2I7Ur2Rt6qWjzFFEITgkqG3I/1rbX7uEyrcLRqycRgD/t72qFZMFyZAg6zu2EVd9oeYY rTXrK2UnQ==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1hneef-0008PA-Qo; Wed, 17 Jul 2019 07:47:14 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 877B12059DEA3; Wed, 17 Jul 2019 09:47:12 +0200 (CEST) Date: Wed, 17 Jul 2019 09:47:12 +0200 From: Peter Zijlstra To: Andy Lutomirski Cc: Vegard Nossum , Thomas Gleixner , Borislav Petkov , Ingo Molnar , Steven Rostedt , Linus Torvalds , linux_lkml_grp@oracle.com, "H. Peter Anvin" , Dave Hansen , Juergen Gross , LKML , He Zhe , Joel Fernandes , devel@etsukata.com Subject: Re: [PATCH v3 0/6] Tracing vs CR2 Message-ID: <20190717074712.GV3419@hirez.programming.kicks-ass.net> References: <20190711114054.406765395@infradead.org> <4c71e14d-3a32-c3bb-8e3b-6e5100853192@oracle.com> <97cdd0af-95cc-2583-dc19-129b20809110@oracle.com> 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 Tue, Jul 16, 2019 at 06:02:33PM -0700, Andy Lutomirski wrote: > On a different thread, Peter and I decided that the last patch in this > series (the one that removes the _DEBUG stuff) is wrong. Can you see > if these are reproducible with that patch removed? Wrong is maybe the wrong word :-), premature maybe, we definitely want to get there, but the #DB crud needs a wee bit of work first.