linux-kernel - Re: [PATCH net] xsk: remove cheap

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Message-ID: <20200630050712.GA26840@lst.de>
Date:   Tue, 30 Jun 2020 07:07:12 +0200
From:   Christoph Hellwig <hch@....de>
To:     Daniel Borkmann <daniel@...earbox.net>
Cc:     Björn Töpel <bjorn.topel@...el.com>,
        Christoph Hellwig <hch@....de>,
        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 Mon, Jun 29, 2020 at 05:18:38PM +0200, Daniel Borkmann wrote:
> 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?)

I send the patches to the bpf list, did you get them now that vger
is unclogged?  Thinking about it the best route might be through
bpf/net, so if that works for you please pick it up.