netdev - Re: [PATCH net] xsk: remove cheap

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Message-ID: <903c646c-dc74-a15c-eb33-e1b67bc7da0d@iogearbox.net>
Date:   Mon, 29 Jun 2020 17:18:38 +0200
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Björn Töpel <bjorn.topel@...el.com>,
        Christoph Hellwig <hch@....de>
Cc:     Björn Töpel <bjorn.topel@...il.com>,
        netdev@...r.kernel.org, davem@...emloft.net,
        konrad.wilk@...cle.com, iommu@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org, bpf@...r.kernel.org,
        maximmi@...lanox.com, magnus.karlsson@...el.com,
        jonathan.lemon@...il.com
Subject: Re: [PATCH net] xsk: remove cheap_dma optimization

On 6/29/20 5:10 PM, Björn Töpel wrote:
> On 2020-06-29 15:52, Daniel Borkmann wrote:
>>
>> Ok, fair enough, please work with DMA folks to get this properly integrated and
>> restored then. Applied, thanks!
> 
> Daniel, you were too quick! Please revert this one; Christoph just submitted a 4-patch-series that addresses both the DMA API, and the perf regression!

Nice, tossed from bpf tree then! (Looks like it didn't land on the bpf list yet,
but seems other mails are currently stuck as well on vger. I presume it will be
routed to Linus via Christoph?)

Thanks,
Daniel