linux-kernel - Re: [PATCH 6/7] iommu/vt-d: Add helper to flush caches for context change

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Message-ID: <569a7697-4e5b-445d-a886-41c0dac1a375@linux.intel.com>
Date: Thu, 15 Aug 2024 20:41:22 +0800
From: Baolu Lu <baolu.lu@...ux.intel.com>
To: Alex Williamson <alex.williamson@...hat.com>
Cc: baolu.lu@...ux.intel.com, Joerg Roedel <joro@...tes.org>,
 Will Deacon <will@...nel.org>, Jacob Pan <jacob.jun.pan@...ux.intel.com>,
 iommu@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/7] iommu/vt-d: Add helper to flush caches for context
 change

On 2024/8/15 20:34, Alex Williamson wrote:
> On Thu, 15 Aug 2024 12:47:58 +0800
> Baolu Lu<baolu.lu@...ux.intel.com>  wrote:
> 
>> On 2024/8/15 6:27, Alex Williamson wrote:
>>> Hi Baolu,
>> Hi Alex,
>>
>>> This appears to be non-functional and breaks device assignment...
>> Yes. This is broken. Thanks for pointing it out.
>>
>> Perhaps I can fix it by passing domain id to the helper? Something like
>> below:
> Hi Baolu,
> 
> Yes, I did a similar quick fix to prove this was the issue.  Thanks,

Thank you! Then, I will make it a real patch.

Thanks,
baolu