RE: [PATCH v2 1/2] iommu/amd: Enable swiotlb in all cases

[Limonciello, Mario]

[Public]



> -----Original Message-----
> From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
> Sent: Monday, April 4, 2022 23:34
> To: Limonciello, Mario <Mario.Limonciello@xxxxxxx>
> Cc: Joerg Roedel <joro@xxxxxxxxxx>; Will Deacon <will@xxxxxxxxxx>;
> Christoph Hellwig <hch@xxxxxxxxxxxxx>; Marek Szyprowski
> <m.szyprowski@xxxxxxxxxxx>; Robin Murphy <robin.murphy@xxxxxxx>;
> open list:IOMMU DRIVERS <iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx>;
> Suthikulpanit, Suravee <Suravee.Suthikulpanit@xxxxxxx>; Hegde, Vasant
> <Vasant.Hegde@xxxxxxx>; open list <linux-kernel@xxxxxxxxxxxxxxx>
> Subject: Re: [PATCH v2 1/2] iommu/amd: Enable swiotlb in all cases
> 
> Looks good:
> 
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>

Thanks!

Considering before this fix effectively swiotlb was turned off on most AMD
systems, when this is picked up I think y'all should consider to add a:

Cc: stable@xxxxxxxxxxxxxxx # 5.11+

As well.