Received: by 2002:a25:1985:0:0:0:0:0 with SMTP id 127csp1761596ybz;
        Thu, 23 Apr 2020 05:27:40 -0700 (PDT)
X-Google-Smtp-Source: APiQypL1pUQ/8bmGsfcfx3+mdnKv/WnFc2yBw7e7xF62Klq5JrneB746zmJuqIBuKJKVAmj4a7Vz
X-Received: by 2002:a50:eb8b:: with SMTP id y11mr2463420edr.229.1587644860299;
        Thu, 23 Apr 2020 05:27:40 -0700 (PDT)
ARC-Seal: i=1; a=rsa-sha256; t=1587644860; cv=none;
        d=google.com; s=arc-20160816;
        b=X0bZyupD07oIy3goErtm9Z5tPx0Y0CsmHaHfTW7rSs+VrEln0iiyOu+zEuecnLLnQb
         OfIFJYGH0brDna+wvncZLT3d1Oe19xNa2wy8bVV+WUR7oMrag/Pb4fjFD9G+LNBu8qfi
         WH/bUHMp5jrqQHnlJ6jUEjV5L41Uesc2OLbD/YJIEoJBC1LwayX1f8CAAYNSWim+1j+1
         4Ahp/WjqlDTkSAKQZycbcAdKdnsJkHNNuCXEa9xpnFOIDI6ntQZby0pPLLoZ/Vxw1NAt
         k6ly5vXj/p/mnCDzmRzGvX8/S/yuqVCMZdUzYXvmuFBdA3sUAlvEPPRVfCRdTJAWqy5Y
         c/YA==
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=S2N8P4pdalpon6U3pQ+glPhfHT9z58j7kBQKbXloCSY=;
        b=W34w/4XQBwBRtCVLaLtBqie9lGFYFODKwWjONilcz9qexANkpZUr0wmsAwrhHSh4u4
         OYmTGn7l94SJ3Q6puuJfanduXhFgUEhXZIoTB1TcQOaIOMVXf5WKsBnj0aUqpNF+p5AW
         MA7RLwIdj9KSQCzznuiW9SHrracCEi8LjI4Vy0XTlN/YGAs5tVJ6yQRilIgB11Bh/t/v
         eLWf687NAnmhhVRksOm0RNsPnqDyqJnstdGj4+nJ1BD7qpoGKQrdgmXcYZXewULhOwcj
         TXoEdBTnoGOLNdQt6PeWZLmTvrywBd4zCbENt77XJbMxJRx/F7nJ57uYyx1Nrqyec4qm
         pzUg==
ARC-Authentication-Results: i=1; mx.google.com;
       dkim=pass header.i=@alien8.de header.s=dkim header.b=h36WYByY;
       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: <linux-kernel-owner@vger.kernel.org>
Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18])
        by mx.google.com with ESMTP id l23si1113526ejc.135.2020.04.23.05.27.17;
        Thu, 23 Apr 2020 05:27:40 -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=h36WYByY;
       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 S1726694AbgDWMWN (ORCPT <rfc822;linux.htchiang@gmail.com>
        + 99 others); Thu, 23 Apr 2020 08:22:13 -0400
Received: from mail.skyhub.de ([5.9.137.197]:47478 "EHLO mail.skyhub.de"
        rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
        id S1726077AbgDWMWN (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
        Thu, 23 Apr 2020 08:22:13 -0400
Received: from zn.tnic (p200300EC2F0D2E00329C23FFFEA6A903.dip0.t-ipconnect.de [IPv6:2003:ec:2f0d:2e00:329c:23ff:fea6:a903])
        (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 B57AA1EC0D27;
        Thu, 23 Apr 2020 14:22:11 +0200 (CEST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim;
        t=1587644531;
        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=S2N8P4pdalpon6U3pQ+glPhfHT9z58j7kBQKbXloCSY=;
        b=h36WYByYIOJ4xDEyeDi1RqHv7Y+KRWL7wp4w4oQS0ODftttoCu9m1S6M/7mBgt+xaUbbb4
        t1V0G/crpOjyrO2XqqHk/zzvGlWcyH7vW6MeFI6uage67v8DmFAM/wFYPeW5GObakGy2HL
        pTe2dZffzrBdcmu7VvE5hOE5hv/+DaY=
Date:   Thu, 23 Apr 2020 14:22:08 +0200
From:   Borislav Petkov <bp@alien8.de>
To:     Qian Cai <cai@lca.pw>
Cc:     Christoph Hellwig <hch@lst.de>,
        "Peter Zijlstra (Intel)" <peterz@infradead.org>,
        x86 <x86@kernel.org>, LKML <linux-kernel@vger.kernel.org>,
        kasan-dev <kasan-dev@googlegroups.com>
Subject: Re: AMD boot woe due to "x86/mm: Cleanup pgprot_4k_2_large() and
 pgprot_large_2_4k()"
Message-ID: <20200423122208.GB26021@zn.tnic>
References: <72CCEEC2-FF21-437C-873C-4C31640B2913@alien8.de>
 <DD433C5F-2A08-4730-B039-8E0C25911D10@lca.pw>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
In-Reply-To: <DD433C5F-2A08-4730-B039-8E0C25911D10@lca.pw>
User-Agent: Mutt/1.10.1 (2018-07-13)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Thu, Apr 23, 2020 at 07:21:50AM -0400, Qian Cai wrote:
> Cool. I can only advocate to take another closer look at this patchset
> (it looks like going to break PAE without the pgprotval_t fix),
> because bugs do cluster.

So, I took the pgprotval_t fix and tested it on two boxes. I'd
appreciate it if you ran tip:x86/mm on your machine too. tip-bot
notifications coming up.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette