Received: by 2002:a25:1985:0:0:0:0:0 with SMTP id 127csp896708ybz; Wed, 22 Apr 2020 09:51:36 -0700 (PDT) X-Google-Smtp-Source: APiQypJ97Kbzj9GcZnFHJ3EZH0vIcrdnKtEqHt4g4lP1hPQOEco9Cg1r9XMuWsKVHP8O4wHqt+C3 X-Received: by 2002:a17:906:b28f:: with SMTP id q15mr25673125ejz.188.1587574296790; Wed, 22 Apr 2020 09:51:36 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1587574296; cv=none; d=google.com; s=arc-20160816; b=cS6oH5ZPNHQN0L79EiMlcDqFitE07fsRCldAMQ7q0eznZytlTMiAhKR4gFO9SHEkUh GaARa8/1MfOzN81EZXvbmpmiRisUXF1J+r4IqyhWm7+fKtHY2/WbR1q/SqP8hpTW0wWm 2bZFQ52srTwbQ1oxfyhlHLpQi1dp8y+gR3Y8NwWmhRHPcfJ7yA5NjgQg13In4a5M3SCL WceBVQPrfHND2SIen28jLwKbxLEMaKSwkwvDZKNCnaqdphRfI9r11w5EcgzcHfznHze9 gdQXjQL/G32d4EHEXjvClGPac7Okxavv9o4JyfGOJW5kYSRpAsRAs4MmyshfbxPvfy1+ K2BA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=L/jcch1ERCY9r/gPK3XdKvpbttP84XCrGMsNvSSDSMk=; b=S+NN4nvndoXZnm6OENciOJd9jRJBAuMv9lRSgLjYsAXkCqJXIq+UlsMTUKYEZaeXCo nb7s9DfW3toRtC/gPyhy+Cd7y9yN3iwApaVg311rRi/u8Aq5Xn8hVjkzxJeS988zIWNQ /E5Iz4Jkp5WlL2BHxsJMGxdVmUAUT5M6gyItCfKcDj2tWeol1dwgV9zrdhp9eeshDFG+ Ud9F2tusnqyIoXuJ++UCJc9mdA54juWo4EIqepxY/bMpJL7KoYdleVxURybXdX/PAAZe Uw3UEk4V0kElYfS7b5m6/aALWmqN9K0dvOandwNiUazOXiRqIw0hNp0TZkLXVNIFQOYx XomA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b=g1VyvLou; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id ce22si3599042edb.145.2020.04.22.09.51.12; Wed, 22 Apr 2020 09:51:36 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b=g1VyvLou; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726787AbgDVQrL (ORCPT + 99 others); Wed, 22 Apr 2020 12:47:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38958 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726732AbgDVQrJ (ORCPT ); Wed, 22 Apr 2020 12:47:09 -0400 Received: from mail.skyhub.de (mail.skyhub.de [IPv6:2a01:4f8:190:11c2::b:1457]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 73E68C03C1A9 for ; Wed, 22 Apr 2020 09:47:09 -0700 (PDT) Received: from zn.tnic (p200300EC2F0DC10099981D244BC6B235.dip0.t-ipconnect.de [IPv6:2003:ec:2f0d:c100:9998:1d24:4bc6:b235]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id AE4FB1EC0D53; Wed, 22 Apr 2020 18:47:07 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1587574027; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=L/jcch1ERCY9r/gPK3XdKvpbttP84XCrGMsNvSSDSMk=; b=g1VyvLouJW/dqb9hQWoBKXZ8udZBQx++uKD/VeAMcyxTyrlRz9oae3EHmDtDimus2D1Qv3 ZFBdHw8zWhD89NIfc87zLv4Q4XCGZi4cvha7MOuyQrrNgqDqrgfJ2wn6wHNG3qUbWJ1Et/ kWaa/wJrkDvnrUsimdFWnF4zUrJYsqQ= Date: Wed, 22 Apr 2020 18:47:03 +0200 From: Borislav Petkov To: Qian Cai Cc: Christoph Hellwig , "Peter Zijlstra (Intel)" , x86 , LKML , kasan-dev Subject: Re: AMD boot woe due to "x86/mm: Cleanup pgprot_4k_2_large() and pgprot_large_2_4k()" Message-ID: <20200422164703.GD26846@zn.tnic> References: <20200422161757.GC26846@zn.tnic> <59604C7F-696A-45A3-BF4F-C8913E09DD4C@lca.pw> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <59604C7F-696A-45A3-BF4F-C8913E09DD4C@lca.pw> 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 Wed, Apr 22, 2020 at 12:35:08PM -0400, Qian Cai wrote: > The config has a few extra memory debugging options enabled like > KASAN, debug_pagealloc, debug_vm etc. How about you specify exactly which CONFIG_ switches and cmdline options you have enabled deliberately? I can rhyme up the rest from the .config file. Full dmesg would be good too, sent privately's fine too. "etc." is not good enough. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette