From mboxrd@z Thu Jan  1 00:00:00 1970
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1755185AbeAMNfL (ORCPT <rfc822;ralf@linux-mips.org> + 1 other);
        Sat, 13 Jan 2018 08:35:11 -0500
Received: from aserp2120.oracle.com ([141.146.126.78]:57036 "EHLO
        aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1755143AbeAMNfJ (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Sat, 13 Jan 2018 08:35:09 -0500
X-Google-Smtp-Source: ACJfBos5UAxxePZw/Cp8rdcwEeHbDzf8xA2ARz7N9YfX4SmnBTY48ahkd3OCTFYxoIjSpE0u2H6GzxUK0lf9w4Fc1PU=
MIME-Version: 1.0
In-Reply-To: <20180113131807.GA17515@kroah.com>
References: <20180111190746.15426-1-pasha.tatashin@oracle.com> <20180113131807.GA17515@kroah.com>
From: Pavel Tatashin <pasha.tatashin@oracle.com>
Date: Sat, 13 Jan 2018 08:35:05 -0500
X-Gmail-Original-Message-ID: <CAOAebxskdx12LvVjnqTNgwDgT3otZL_m2+oFnnTUdopH_rEAag@mail.gmail.com>
Message-ID: <CAOAebxskdx12LvVjnqTNgwDgT3otZL_m2+oFnnTUdopH_rEAag@mail.gmail.com>
Subject: Re: [4.4] broken conversion from efi to kernel page table
To: Greg KH <gregkh@linuxfoundation.org>
Cc: Steve Sistare <steven.sistare@oracle.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>, mingo@redhat.com,
        hpa@zytor.com, x86@kernel.org, Jiri Kosina <jkosina@suse.cz>,
        Hugh Dickins <hughd@google.com>, dave.hansen@linux.intel.com,
        Andy Lutomirski <luto@kernel.org>,
        Linus Torvalds <torvalds@linux-foundation.org>
Content-Type: text/plain; charset="UTF-8"
X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=8772 signatures=668652
X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=2 malwarescore=0
 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=990
 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1
 engine=8.0.1-1711220000 definitions=main-1801130191
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
Return-Path: <linux-kernel-owner@vger.kernel.org>

Hi Greg,

Make sure you apply:
[PATCH 4.4 v2] x86/pti/efi: broken conversion from efi to kernel page table

It is the same patch but fixes a compiling issue when compiled
without: CONFIG_PAGE_TABLE_ISOLATION


On Sat, Jan 13, 2018 at 8:18 AM, Greg KH <gregkh@linuxfoundation.org> wrote:
> On Thu, Jan 11, 2018 at 02:07:45PM -0500, Pavel Tatashin wrote:
>> This fixes boot panics, hangs which I reported in this thread:
>>
>> http://lkml.iu.edu/hypermail/linux/kernel/1801.1/00951.html
>>
>> I have not yet verified if similar issue is applicable to newer
>> kernels.
>>
>> Re-sending it as a proper git send-email submission.
>>
>> Pavel Tatashin (1):
>>   x86/pti/efi: broken conversion from efi to kernel page table
>>
>>  arch/x86/include/asm/kaiser.h        | 8 ++++++++
>>  arch/x86/realmode/init.c             | 4 +++-
>>  arch/x86/realmode/rm/trampoline_64.S | 3 ++-
>>  3 files changed, 13 insertions(+), 2 deletions(-)
>
> Many thanks for this work, and the patch, it's greatly appreciated.
>
> Now queued up, thanks.
>
> greg k-h