linux-kernel - Re: [PATCH v3 1/4] dma-mapping: prepare dma_map

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Message-ID: <20250916135240.GD1086830@nvidia.com>
Date: Tue, 16 Sep 2025 10:52:40 -0300
From: Jason Gunthorpe <jgg@...dia.com>
To: Leon Romanovsky <leon@...nel.org>
Cc: Marek Szyprowski <m.szyprowski@...sung.com>,
	Leon Romanovsky <leonro@...dia.com>, iommu@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Russell King <linux@...linux.org.uk>
Subject: Re: [PATCH v3 1/4] dma-mapping: prepare dma_map_ops to conversion to
 physical address

On Tue, Sep 16, 2025 at 10:32:04AM +0300, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@...dia.com>
> 
> Add new .map_phys() and .unmap_phys() callbacks to dma_map_ops as a
> preparation to replace .map_page() and .unmap_page() respectively.
> 
> Signed-off-by: Leon Romanovsky <leonro@...dia.com>
> ---
>  include/linux/dma-map-ops.h | 7 +++++++
>  kernel/dma/mapping.c        | 4 ++++
>  2 files changed, 11 insertions(+)

Reviewed-by: Jason Gunthorpe <jgg@...dia.com>

Jason