lkml.org 
[lkml]   [2017]   [Sep]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RFC PATCH 4/6] iommu/arm-smmu-v3: Add SVM support for platform devices
From
Date
Hi Jean-Philippe,

On 2017/9/6 8:51, Bob Liu wrote:
> On 2017/9/5 20:53, Jean-Philippe Brucker wrote:
>> On 31/08/17 09:20, Yisheng Xie wrote:
>>> From: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
>>>
>>> Platform device can realise SVM function by using the stall mode. That
>>> is to say, when device access a memory via iova which is not populated,
>>> it will stalled and when SMMU try to translate this iova, it also will
>>> stall and meanwhile send an event to CPU via MSI.
>>>
>>> After SMMU driver handle the event and populated the iova, it will send
>>> a RESUME command to SMMU to exit the stall mode, therefore the platform
>>> device can contiue access the memory.
>>>
>>> Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
>>
>> No. Please don't forge a signed-off-by under a commit message you wrote,

Sorry about that, it is my mistake.

>
> Really sorry for that.
> We sent out the wrong version, I should take more careful review.
>
> Regards,
> Liubo
>
>> it's rude. I didn't sign it, didn't consider it fit for mainline or even
>> as an RFC, and wanted to have another read before sending. My mistake,
>> I'll think twice before sharing prototypes in the future.
>>
>> Thanks,
>> Jean
>>
>
>
>
>
> .
>

\
 
 \ /
  Last update: 2017-09-06 03:22    [W:0.061 / U:2.828 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site