Re: [PATCH v1 10/16] xen: swiotlb: Open code map_resource callback

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To: Leon Romanovsky <leon@xxxxxxxxxx>, Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
Subject: Re: [PATCH v1 10/16] xen: swiotlb: Open code map_resource callback
From: Jürgen Groß <jgross@xxxxxxxx>
Date: Thu, 7 Aug 2025 16:40:55 +0200
Cc: Leon Romanovsky <leonro@xxxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxxxx>, Abdiel Janulgue <abdiel.janulgue@xxxxxxxxx>, Alexander Potapenko <glider@xxxxxxxxxx>, Alex Gaynor <alex.gaynor@xxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, Danilo Krummrich <dakr@xxxxxxxxxx>, iommu@xxxxxxxxxxxxxxx, Jason Wang <jasowang@xxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Joerg Roedel <joro@xxxxxxxxxx>, Jonathan Corbet <corbet@xxxxxxx>, kasan-dev@xxxxxxxxxxxxxxxx, Keith Busch <kbusch@xxxxxxxxxx>, linux-block@xxxxxxxxxxxxxxx, linux-doc@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-nvme@xxxxxxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-trace-kernel@xxxxxxxxxxxxxxx, Madhavan Srinivasan <maddy@xxxxxxxxxxxxx>, Masami Hiramatsu <mhiramat@xxxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, "Michael S. Tsirkin" <mst@xxxxxxxxxx>, Miguel Ojeda <ojeda@xxxxxxxxxx>, Robin Murphy <robin.murphy@xxxxxxx>, rust-for-linux@xxxxxxxxxxxxxxx, Sagi Grimberg <sagi@xxxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, virtualization@xxxxxxxxxxxxxxx, Will Deacon <will@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
In-reply-to: <e69e9510d9024d664133dc788f5186aac414318e.1754292567.git.leon@kernel.org>
References: <cover.1754292567.git.leon@kernel.org> <e69e9510d9024d664133dc788f5186aac414318e.1754292567.git.leon@kernel.org>
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On 04.08.25 14:42, Leon Romanovsky wrote:

From: Leon Romanovsky <leonro@xxxxxxxxxx>

General dma_direct_map_resource() is going to be removed
in next patch, so simply open-code it in xen driver.

Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx>


Reviewed-by: Juergen Gross <jgross@xxxxxxxx>


Juergen

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References:
- [PATCH v1 00/16] dma-mapping: migrate to physical address-based API
  - From: Leon Romanovsky
- [PATCH v1 10/16] xen: swiotlb: Open code map_resource callback
  - From: Leon Romanovsky

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