linux-kernel - Re: [PATCH v6 07/18] iommu: Implement reserved

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Message-ID: <e73ae95f-2d54-836e-d19c-81ebd3bf409e@redhat.com>
Date:   Fri, 6 Jan 2017 14:04:02 +0100
From:   Auger Eric <eric.auger@...hat.com>
To:     Joerg Roedel <joro@...tes.org>
Cc:     eric.auger.pro@...il.com, christoffer.dall@...aro.org,
        marc.zyngier@....com, robin.murphy@....com,
        alex.williamson@...hat.com, will.deacon@....com,
        tglx@...utronix.de, jason@...edaemon.net,
        linux-arm-kernel@...ts.infradead.org, kvm@...r.kernel.org,
        drjones@...hat.com, linux-kernel@...r.kernel.org,
        pranav.sawargaonkar@...il.com, iommu@...ts.linux-foundation.org,
        punit.agrawal@....com, diana.craciun@....com, gpkulkarni@...il.com,
        shankerd@...eaurora.org, bharat.bhushan@....com,
        geethasowjanya.akula@...il.com
Subject: Re: [PATCH v6 07/18] iommu: Implement reserved_regions iommu-group
 sysfs file

Hi,

On 06/01/2017 13:48, Joerg Roedel wrote:
> On Fri, Jan 06, 2017 at 12:46:05PM +0100, Auger Eric wrote:
>> On 06/01/2017 12:00, Joerg Roedel wrote:
> 
>>> I think it also makes sense to report the type of the reserved region.
>>
>> What is the best practice in that case? Shall we put the type enum
>> values as strings such as:
>> - direct
>> - nomap
>> - msi
>>
>> and document that in Documentation/ABI/testing/sysfs-kernel-iommu_groups
> 
> Yes, a string would be good. An probably 'reserved' is a better name
> than nomap?

OK that's equal to me.

Thanks

Eric
> 
> 
> 	Joerg
>