Re: [PATCH RFC v1 4/7] swiotlb: to implement io_tlb_high_mem

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To: Dongli Zhang <dongli.zhang@xxxxxxxxxx>
Subject: Re: [PATCH RFC v1 4/7] swiotlb: to implement io_tlb_high_mem
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed, 8 Jun 2022 22:05:54 -0700
Cc: jgross@xxxxxxxx, dave.hansen@xxxxxxxxxxxxxxx, mst@xxxxxxxxxx, konrad.wilk@xxxxxxxxxx, mpe@xxxxxxxxxxxxxx, x86@xxxxxxxxxx, joe.jin@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx, hch@xxxxxxxxxxxxx, iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx, mingo@xxxxxxxxxx, bp@xxxxxxxxx, sstabellini@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, tglx@xxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, m.szyprowski@xxxxxxxxxxx
In-reply-to: <20220609005553.30954-5-dongli.zhang@oracle.com>
References: <20220609005553.30954-1-dongli.zhang@oracle.com> <20220609005553.30954-5-dongli.zhang@oracle.com>

All this really needs to be hidden under the hood.
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Follow-Ups:
- Re: [PATCH RFC v1 4/7] swiotlb: to implement io_tlb_high_mem
  - From: Dongli Zhang

References:
- [PATCH RFC v1 0/7] swiotlb: extra 64-bit buffer for dev->dma_io_tlb_mem
  - From: Dongli Zhang
- [PATCH RFC v1 4/7] swiotlb: to implement io_tlb_high_mem
  - From: Dongli Zhang

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