linux-kernel - RE: [PATCH 1/4] tpm: fix access attempt to an already unmapped I/O memory region

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Message-ID: <5FFFAD06ADE1CA4381B3F0F7C6AF5828988F88@ORSMSX109.amr.corp.intel.com>
Date:   Thu, 21 Dec 2017 15:39:44 +0000
From:   "Shaikh, Azhar" <azhar.shaikh@...el.com>
To:     Javier Martinez Canillas <javierm@...hat.com>,
        Jason Gunthorpe <jgg@...pe.ca>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        James Ettle <james@...le.org.uk>,
        Hans de Goede <hdegoede@...hat.com>,
        Arnd Bergmann <arnd@...db.de>,
        Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        "Peter Huewe" <peterhuewe@....de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "linux-integrity@...r.kernel.org" <linux-integrity@...r.kernel.org>
Subject: RE: [PATCH 1/4] tpm: fix access attempt to an already unmapped I/O
 memory region

HI Javier,


>-----Original Message-----
>From: linux-integrity-owner@...r.kernel.org [mailto:linux-integrity-
>owner@...r.kernel.org] On Behalf Of Javier Martinez Canillas
>Sent: Thursday, December 21, 2017 4:49 AM
>To: Shaikh, Azhar <azhar.shaikh@...el.com>; Jason Gunthorpe
><jgg@...pe.ca>
>Cc: linux-kernel@...r.kernel.org; James Ettle <james@...le.org.uk>; Hans de
>Goede <hdegoede@...hat.com>; Arnd Bergmann <arnd@...db.de>; Jarkko
>Sakkinen <jarkko.sakkinen@...ux.intel.com>; Peter Huewe
><peterhuewe@....de>; Greg Kroah-Hartman
><gregkh@...uxfoundation.org>; linux-integrity@...r.kernel.org
>Subject: Re: [PATCH 1/4] tpm: fix access attempt to an already unmapped I/O
>memory region
>
>Hello Azhar,
>
>On 12/20/2017 08:15 PM, Shaikh, Azhar wrote:
>>
>>
>>> -----Original Message-----
>>> From: Jason Gunthorpe [mailto:jgg@...pe.ca]
>>> Sent: Wednesday, December 20, 2017 10:55 AM
>>> To: Javier Martinez Canillas <javierm@...hat.com>
>>> Cc: linux-kernel@...r.kernel.org; James Ettle <james@...le.org.uk>;
>>> Hans de Goede <hdegoede@...hat.com>; Shaikh, Azhar
>>> <azhar.shaikh@...el.com>; Arnd Bergmann <arnd@...db.de>; Jarkko
>>> Sakkinen <jarkko.sakkinen@...ux.intel.com>; Peter Huewe
>>> <peterhuewe@....de>; Greg Kroah-Hartman
><gregkh@...uxfoundation.org>;
>>> linux- integrity@...r.kernel.org
>>> Subject: Re: [PATCH 1/4] tpm: fix access attempt to an already
>>> unmapped I/O memory region
>>>
>>> On Wed, Dec 20, 2017 at 07:21:31PM +0100, Javier Martinez Canillas wrote:
>>>
>>>>> The below draft fixes everything except #1. That needs a more
>>>>> thoughtful idea..
>>>>>
>>>>
>>>> I'll just drop this patch from the series and you can fix all the
>>>> issues in the error / driver removal paths. It's not a dependency
>>>> anyways, I included it just because noticed the issue while reading the
>code.
>>>
>>> Azhar, this means it becomes your problem :)
>>>
>>
>> Sure, I will fix this.
>> Javier you can drop this patch.
>>
>
>On a second though, we should just merge $SUBJECT since is an obvious fix
>for one of the issues. Then you could fix the remaining bugs in error and
>driver removal paths.

I think you are asking to keep this patch as a part of this series, itself and not upload separately. Is this correct? Please correct me if I am wrong.

>
>>> Since the patches Jarkko has queued from you introduce oops's you
>>> need to fix them..
>>>
>>> Jason
>>
>> Regards,
>> Azhar Shaikh
>>
>
>Best regards,
>--
>Javier Martinez Canillas
>Software Engineer - Desktop Hardware Enablement Red Hat

Regards,
Azhar Shaikh