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From: Daniel Borkmann <daniel@iogearbox.net>
To: "Christoph Hellwig" <hch@lst.de>, "Björn Töpel" <bjorn.topel@intel.com>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	iommu@lists.linux-foundation.org,
	Jonathan Lemon <jonathan.lemon@gmail.com>,
	bpf@vger.kernel.org, Magnus Karlsson <magnus.karlsson@intel.com>
Subject: Re: add an API to check if a streamming mapping needs sync calls
Date: Wed, 8 Jul 2020 11:01:35 +0200	[thread overview]
Message-ID: <ce7dc444-534e-636b-81d8-dbad249ad6aa@iogearbox.net> (raw)
In-Reply-To: <20200708074418.GA6815@lst.de>

On 7/8/20 9:44 AM, Christoph Hellwig wrote:
> On Mon, Jun 29, 2020 at 03:39:01PM +0200, Björn Töpel wrote:
>> On 2020-06-29 15:03, Christoph Hellwig wrote:
>>> Hi all,
>>>
>>> this series lifts the somewhat hacky checks in the XSK code if a DMA
>>> streaming mapping needs dma_sync_single_for_{device,cpu} calls to the
>>> DMA API.
>>>
>>
>> Thanks a lot for working on, and fixing this, Christoph!
>>
>> I took the series for a spin, and there are (obviously) no performance
>> regressions.
>>
>> Would the patches go through the net/bpf trees or somewhere else?
> 
> Where did this end up?  I still don't see it in Linus' tree and this
> is getting urgent now.

It was merged into bpf tree and we sent the PR to DaveM which was merged into
net tree around a week ago [0]; I assume the PR for net might go to Linus soon
this week.

   [0] https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=e708e2bd55c921f5bb554fa5837d132a878951cf
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      reply	other threads:[~2020-07-08  9:02 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-29 13:03 Christoph Hellwig
2020-06-29 13:03 ` [PATCH 1/4] dma-mapping: add a new dma_need_sync API Christoph Hellwig
2020-07-06 19:42   ` Jonathan Lemon
2020-07-07  6:47     ` Christoph Hellwig
2020-07-07 15:11       ` Jonathan Lemon
2020-07-07 15:14         ` Christoph Hellwig
2020-06-29 13:03 ` [PATCH 2/4] xsk: replace the cheap_dma flag with a dma_need_sync flag Christoph Hellwig
2020-06-29 13:03 ` [PATCH 3/4] xsk: remove a double pool->dev assignment in xp_dma_map Christoph Hellwig
2020-06-29 13:03 ` [PATCH 4/4] xsk: use dma_need_sync instead of reimplenting it Christoph Hellwig
2020-06-29 13:39 ` add an API to check if a streamming mapping needs sync calls Björn Töpel
2020-06-29 14:22   ` Christoph Hellwig
2020-07-08  7:44   ` Christoph Hellwig
2020-07-08  9:01     ` Daniel Borkmann [this message]

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