netdev - Re: [PATCH net-next v2 3/5] page_pool: Set `dma_sync` to false for devmem memory provider

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Message-ID: <Zy40Fo8foRg_ECFU@mini-arch>
Date: Fri, 8 Nov 2024 07:53:58 -0800
From: Stanislav Fomichev <stfomichev@...il.com>
To: Mina Almasry <almasrymina@...gle.com>
Cc: netdev@...r.kernel.org, Jakub Kicinski <kuba@...nel.org>,
	Pavel Begunkov <asml.silence@...il.com>,
	Willem de Bruijn <willemb@...gle.com>,
	Kaiyuan Zhang <kaiyuanz@...gle.com>,
	Samiullah Khawaja <skhawaja@...gle.com>,
	linux-kernel@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>,
	Simon Horman <horms@...nel.org>,
	Jesper Dangaard Brouer <hawk@...nel.org>,
	Ilias Apalodimas <ilias.apalodimas@...aro.org>,
	Jason Gunthorpe <jgg@...pe.ca>
Subject: Re: [PATCH net-next v2 3/5] page_pool: Set `dma_sync` to false for
 devmem memory provider

On 11/07, Mina Almasry wrote:
> From: Samiullah Khawaja <skhawaja@...gle.com>
> 
> Move the `dma_map` and `dma_sync` checks to `page_pool_init` to make
> them generic. Set dma_sync to false for devmem memory provider because
> the dma_sync APIs should not be used for dma_buf backed devmem memory
> provider.
> 
> Cc: Jason Gunthorpe <jgg@...pe.ca>
> Signed-off-by: Samiullah Khawaja <skhawaja@...gle.com>
> Signed-off-by: Mina Almasry <almasrymina@...gle.com>

Acked-by: Stanislav Fomichev <sdf@...ichev.me>