linux-kernel - Re: [PATCH 2/2 V5] iommu/amd: Add logic to decode AMD IOMMU event flag

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Message-ID: <CAKocOON3+17VNxyj-qZxX5QWo8ip039-17+JtPtPeBmRCZe9dw@mail.gmail.com>
Date:	Wed, 10 Apr 2013 10:29:11 -0600
From:	Shuah Khan <shuahkhan@...il.com>
To:	Suravee Suthikulanit <suravee.suthikulpanit@....com>
Cc:	iommu@...ts.linux-foundation.org, joro@...tes.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2 V5] iommu/amd: Add logic to decode AMD IOMMU event flag

On Wed, Apr 10, 2013 at 10:27 AM, Suravee Suthikulanit
<suravee.suthikulpanit@....com> wrote:
> On 4/10/2013 11:21 AM, Shuah Khan wrote:
>>
>> Good feature. Do you also plan to add decode logic for these flags.
>> For example, RZ is only meaningful when PR=1, RW is only meaningful
>> when
>> PR=1, TR=0, and I=0, and so on? This additional logic will be useful.
>>
>> Reviewed-by: Shuah Khan<shuahkhan@...il.com>
>>
>> -- Shuah
>
> Additional filtering logic can also be added in the future.  This will also
> be important if we are planning on handling IOMMU errors.
>

Correct. Additional logic isn't necessary in this patch.

-- Shuah
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