Re: [RFC PATCH 1/2] swiotlb: Split up single swiotlb lock

[Andi Kleen]

On 4/28/2022 8:05 AM, Christoph Hellwig wrote:
> On Thu, Apr 28, 2022 at 07:55:39AM -0700, Andi Kleen wrote:
> > At least for TDX need parallelism with a single device for performance.
> So find a way to make it happen without exposing details to random
> drivers.


That's what the original patch (that this one is derived from) did.

It was completely transparent to everyone outside swiotlb.c

-Andi