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From: Christoph Hellwig <hch@lst.de>
To: "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, Christoph Hellwig <hch@lst.de>,
	Magnus Karlsson <magnus.karlsson@intel.com>
Subject: Re: add an API to check if a streamming mapping needs sync calls
Date: Mon, 29 Jun 2020 16:22:25 +0200	[thread overview]
Message-ID: <20200629142225.GA22336@lst.de> (raw)
In-Reply-To: <b97104e1-433c-8e35-59c6-b4dad047464c@intel.com>

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?

either the net tree or (my) dma-mapping tree would be fine with me.
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  reply	other threads:[~2020-06-29 14:22 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-29 13:03 add an API to check if a streamming mapping needs sync calls 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 [this message]
2020-07-08  7:44   ` Christoph Hellwig
2020-07-08  9:01     ` Daniel Borkmann

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