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

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Date:   Thu, 21 Dec 2017 13:48:30 +0100
From:   Javier Martinez Canillas <javierm@...hat.com>
To:     "Shaikh, Azhar" <azhar.shaikh@...el.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

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.
 
>> 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