Re: [PATCH v3 08/10] iommu/vt-d: Check whether device requires bounce buffer
From: Christoph Hellwig
Date: Tue Apr 23 2019 - 02:09:17 EST
>> Again, this and the option should not be in a specific iommu driver.
>>
>
> The option of whether bounce is ignored should be in the specific iommu
> driver.
Why? As a user I could not care less which IOMMU driver my particular
system uses.