On Tue, Apr 13, 2021 at 11:22:14AM -0400, Tianyu Lan wrote: > From: Tianyu Lan <tianyu....@microsoft.com> > > For Hyper-V isolation VM with AMD SEV SNP, the bounce buffer(shared memory) > needs to be accessed via extra address space(e.g address above bit39). > Hyper-V code may remap extra address space outside of swiotlb. > swiotlb_bounce() > needs to use remap virtual address to copy data from/to bounce buffer. Add > new interface swiotlb_set_bounce_remap() to do that.
I have no way to review what this actually doing when you only Cc me on a single patch. Please make sure everyone is Cced on the whole series to enable proper review.
