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=-3.5 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 44C2BC2D0A3 for ; Sat, 24 Oct 2020 05:26:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DF47A22254 for ; Sat, 24 Oct 2020 05:26:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="bVJoE23/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759598AbgJXF0H (ORCPT ); Sat, 24 Oct 2020 01:26:07 -0400 Received: from mout.gmx.net ([212.227.17.21]:41379 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759587AbgJXF0H (ORCPT ); Sat, 24 Oct 2020 01:26:07 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1603517118; bh=b3ZhFExOM/Mi+jTGQq/8sj0hlfcBhjmxWLijxZQ6gmI=; h=X-UI-Sender-Class:Subject:From:To:Cc:Date:In-Reply-To:References; b=bVJoE23/yS3qF93ysErE3rRfSbkzM+/bZza5CS8f+HoeAnG5fPbSRYKrOJ4Qc7o5S J0SutYwo1wc5lBdSQt9uEOaRIgW4KUUhPzleimJ/v+vLqcSnoDeVVUswYvboJe2MiR rdHk79eYKRSQukWxbfmgKKLtA9anjAg2YzXOy6Ec= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from homer.simpson.net ([185.221.151.75]) by mail.gmx.com (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1N9Mtg-1kJyg53NB6-015Fiy; Sat, 24 Oct 2020 07:25:17 +0200 Message-ID: <08aa64d8e07b8b7d4509a0b3233d0c46ce7609c0.camel@gmx.de> Subject: Re: kvm+nouveau induced lockdep gripe From: Mike Galbraith To: Hillf Danton Cc: Sebastian Andrzej Siewior , Thomas Gleixner , LKML , linux-rt-users , Steven Rostedt , Ben Skeggs Date: Sat, 24 Oct 2020 07:25:16 +0200 In-Reply-To: <20201024050000.8104-1-hdanton@sina.com> References: <20201021125324.ualpvrxvzyie6d7d@linutronix.de> <20201023090108.5lunh4vqfpkllmap@linutronix.de> <20201024022236.19608-1-hdanton@sina.com> <20201024050000.8104-1-hdanton@sina.com> Content-Type: text/plain; charset="ISO-8859-15" User-Agent: Evolution 3.34.4 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:RC4oGzib7N1JfCTG7d08sLQGw5Qu6NK+FnY6BWAQSPMnd5X+V3k YBxePLrmZUCzcLEXbm5bu1I9esZOLfZ7y9KUJ62C796GeGeKwnea5dltWVSbvx+xCOAQ1pJ Zei6S0HSoF1zsXNZn4jD4ZCFVGa4F0ubF3bt35iF0ysUnHNciI2jXuYKlcyYFGK1hr6MBYY hxO1J5Atz0YbPnBEwESyA== X-UI-Out-Filterresults: notjunk:1;V03:K0:zQzq8qQSGaw=:uOCtBOoUFo7t5yzM55RQUY fdeMhq4Jwcd6GjuU56ZS5/en05cfnG5ePJD+KrH4r1kVxYS71s+7w7oVqkVjIdBoCGs2/OXid urLayNfi4q8S54ZsqZhO8FAb42iMjjylatsBclr151I5Bpu4D58PDPrarKRbzwd3Xg78XAnFe lzNx2dUK6tI6UeHBrxvBBbGZzVAJPiGZj/2aPm4aBnmkVoY3dop2PRt5prAfjeUS1z23/dWxz ZzLEZZv2RwjuNbK18tM5jm+Ni7ghyFQWU/FD2WiKv7mM/u4Xc/5WKEzXKa/8QGJIFYcw+J3al XzDYsq3x5q5lsePvNIcDRbOfEvG5/UpCuBYPuzkYtGQhrR3vqwUTY36PT6CjKWxGzvtgFLNT7 IcSRU8PJNgM6yKZYPdkR/97D6rYtCkfAH1oMSwP9CyDeN5Lm50MGpXT9skKTgJkitzosXxgaO aWA82igzENay4s/Um3HEsNjCLII6TTxsYUEsMnmBA3N/eV0ZQ1sd208Ubx1PVEGDPHlEW2fnf NMyrePkIDXuEuHDYYSWFv6j/LnR9rC/SMoO+5iQhwiEDo5w9iD5PZfyKfo7SRaKjS7n860gi8 dpJFnQHVgB/3OUIyD4TmniT5o5k2kgABNbi2n++3q0ao9vNSPzXeEWq1MiWa9a8YbVA92Qvpj TVjlGHbFA8wR72fHwJssXLwSFXe31eP5mgXKTcXAQKO/VcmseSV/r/dvVWoM3xM8EKHtfeOpQ ucEu3cwd/VGvkGQoLlDnAaJeICwk9HSSY7lbW3Ey71QQDBxBh1mKy6NAKl6ofYzXFPo093zPU 1aeuBOGBO64GDfN7Jm9IGsa9QvOKE5ZrMgfqBHKssRgEcH2Ng5+jRIylThWqefb8Jrsbpkk3g Kx/HUqOnIsmP99dwwFYQ== Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 2020-10-24 at 13:00 +0800, Hillf Danton wrote: > On Sat, 24 Oct 2020 05:38:23 +0200 Mike Galbraith wrote: > > On Sat, 2020-10-24 at 10:22 +0800, Hillf Danton wrote: > > > > > > Looks like we can break the lock chain by moving ttm bo's release > > > method out of mmap_lock, see diff below. > > > > Ah, the perfect compliment to morning java, a patchlet to wedge in and > > see what happens. > > > > wedge/build/boot > > > > Mmm, box says no banana... a lot. > > Hmm...curious how that word went into your mind. And when? There's a colloquial expression "close, but no cigar", and a variant "close, but no banana". The intended communication being "not quite". -Mike