From: Jesper Dangaard Brouer <brouer@redhat.com>
To: Lorenzo Bianconi <lorenzo@kernel.org>
Cc: netdev@vger.kernel.org, davem@davemloft.net,
ilias.apalodimas@linaro.org, lorenzo.bianconi@redhat.com,
mcroce@redhat.com, jonathan.lemon@gmail.com, brouer@redhat.com
Subject: Re: [PATCH v5 net-next 3/3] net: mvneta: get rid of huge dma sync in mvneta_rx_refill
Date: Wed, 20 Nov 2019 18:49:30 +0100 [thread overview]
Message-ID: <20191120184930.421e7b82@carbon> (raw)
In-Reply-To: <1e945f45259c09da6f5876a11e0bedd955c9d695.1574261017.git.lorenzo@kernel.org>
On Wed, 20 Nov 2019 16:54:19 +0200
Lorenzo Bianconi <lorenzo@kernel.org> wrote:
> Get rid of costly dma_sync_single_for_device in mvneta_rx_refill
> since now the driver can let page_pool API to manage needed DMA
> sync with a proper size.
>
> - XDP_DROP DMA sync managed by mvneta driver: ~420Kpps
> - XDP_DROP DMA sync managed by page_pool API: ~585Kpps
>
> Tested-by: Matteo Croce <mcroce@redhat.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
--
Best regards,
Jesper Dangaard Brouer
MSc.CS, Principal Kernel Engineer at Red Hat
LinkedIn: http://www.linkedin.com/in/brouer
next prev parent reply other threads:[~2019-11-20 17:49 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-20 14:54 [PATCH v5 net-next 0/3] add DMA-sync-for-device capability to page_pool API Lorenzo Bianconi
2019-11-20 14:54 ` [PATCH v5 net-next 1/3] net: mvneta: rely on page_pool_recycle_direct in mvneta_run_xdp Lorenzo Bianconi
2019-11-20 15:45 ` Jesper Dangaard Brouer
2019-11-20 14:54 ` [PATCH v5 net-next 2/3] net: page_pool: add the possibility to sync DMA memory for device Lorenzo Bianconi
2019-11-20 17:49 ` Jesper Dangaard Brouer
2019-11-20 18:00 ` Ilias Apalodimas
2019-11-20 18:42 ` Jonathan Lemon
2019-11-20 19:04 ` Jesper Dangaard Brouer
2019-11-20 14:54 ` [PATCH v5 net-next 3/3] net: mvneta: get rid of huge dma sync in mvneta_rx_refill Lorenzo Bianconi
2019-11-20 17:49 ` Jesper Dangaard Brouer [this message]
2019-11-20 15:37 ` [PATCH v5 net-next 0/3] add DMA-sync-for-device capability to page_pool API Jesper Dangaard Brouer
2019-11-20 15:45 ` Lorenzo Bianconi
2019-11-20 18:05 ` Ilias Apalodimas
2019-11-20 20:34 ` David Miller
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