From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1751855AbdK3Im2 (ORCPT <rfc822;w@1wt.eu>);
        Thu, 30 Nov 2017 03:42:28 -0500
Received: from mga03.intel.com ([134.134.136.65]:50301 "EHLO mga03.intel.com"
        rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
        id S1751031AbdK3Im0 (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
        Thu, 30 Nov 2017 03:42:26 -0500
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="5.45,341,1508828400"; 
   d="scan'208";a="7918139"
Subject: Re: [PATCH] x86/entry/64: Fix native_load_gs_index() SWAPGS handling
 with IRQ state tracing enabled
To: Andy Lutomirski <luto@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>,
        linux-kernel <linux-kernel@vger.kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Borislav Petkov <bp@alien8.de>
References: <0fede9f9-88b0-a6e7-1027-dfb2019b8ef2@linux.intel.com>
 <20171129070951.hjjjpbyilzaak4ig@gmail.com>
 <CALCETrXwM7syieKz8CcFE8qHL6r_yA0jP49A1EJsw5UNWz+UNA@mail.gmail.com>
 <CALCETrXaCtrzu7xyR+wHvSQhMoP4onUg0hfHHoxd72QSCqgkmw@mail.gmail.com>
From: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Message-ID: <27714c57-4afc-0a27-72f5-7196391f2c25@linux.intel.com>
Date: Thu, 30 Nov 2017 10:42:23 +0200
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101
 Thunderbird/52.4.0
MIME-Version: 1.0
In-Reply-To: <CALCETrXaCtrzu7xyR+wHvSQhMoP4onUg0hfHHoxd72QSCqgkmw@mail.gmail.com>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On 11/29/2017 08:12 PM, Andy Lutomirski wrote:
> On Wed, Nov 29, 2017 at 9:57 AM, Andy Lutomirski <luto@kernel.org> wrote:
>> On Tue, Nov 28, 2017 at 11:09 PM, Ingo Molnar <mingo@kernel.org> wrote:
>>>
>>> * Jarkko Nikula <jarkko.nikula@linux.intel.com> wrote:
>>>
>>>> Hi
>>>>
>>>> Suspend-to-ram and resume stopped working on v4.15-rc1 and I bisected it to
>>>> commit ca37e57bbe0c ("x86/entry/64: Add missing irqflags tracing to
>>>> native_load_gs_index()").
>>>>
> 
> Jarkko, can you try the attached patch?  If it survives resume, can
> you see if the log contains anything interesting?
> 
Hmm.. this doesn't apply on top of v4.15-rc1, ca37e57bbe0c, current head 
a0908a1b7d68 or linux-next head 11fed7829bef.

-- 
Jarkko