Re: [PATCH net] xsk: remove cheap_dma optimization

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Subject: Re: [PATCH net] xsk: remove cheap_dma optimization
From: Björn Töpel <bjorn.topel@xxxxxxxxx>
Date: Mon, 29 Jun 2020 17:10:42 +0200
Cc: Björn Töpel <bjorn.topel@xxxxxxxxx>, netdev@xxxxxxxxxxxxxxx, davem@xxxxxxxxxxxxx, konrad.wilk@xxxxxxxxxx, iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, bpf@xxxxxxxxxxxxxxx, maximmi@xxxxxxxxxxxx, magnus.karlsson@xxxxxxxxx, jonathan.lemon@xxxxxxxxx
In-reply-to: <e879bcc8-5f7d-b1b3-9b66-1032dec6245d@iogearbox.net>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0

On 2020-06-29 15:52, Daniel Borkmann wrote:

Ok, fair enough, please work with DMA folks to get this properlyintegrated and
restored then. Applied, thanks!

Daniel, you were too quick! Please revert this one; Christoph justsubmitted a 4-patch-series that addresses both the DMA API, and the perfregression!



Björn

Follow-Ups:
- Re: [PATCH net] xsk: remove cheap_dma optimization
  - From: Daniel Borkmann

References:
- [PATCH net] xsk: remove cheap_dma optimization
  - From: Björn Töpel
- Re: [PATCH net] xsk: remove cheap_dma optimization
  - From: Daniel Borkmann
- Re: [PATCH net] xsk: remove cheap_dma optimization
  - From: Christoph Hellwig
- Re: [PATCH net] xsk: remove cheap_dma optimization
  - From: Björn Töpel
- Re: [PATCH net] xsk: remove cheap_dma optimization
  - From: Daniel Borkmann

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