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Re: [PATCH v4 11/16] dma-mapping: export new dma_*map_phys() interface
- To: Leon Romanovsky <leon@xxxxxxxxxx>
- From: Jason Gunthorpe <jgg@xxxxxxxxxx>
- Date: Thu, 28 Aug 2025 13:01:10 -0300
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- Cc: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>, Leon Romanovsky <leonro@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>, Juergen Gross <jgross@xxxxxxxx>, 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
- Delivery-date: Thu, 28 Aug 2025 16:01:30 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Tue, Aug 19, 2025 at 08:36:55PM +0300, Leon Romanovsky wrote:
> The old page-based API is preserved in mapping.c to ensure that existing
> code won't be affected by changing EXPORT_SYMBOL to EXPORT_SYMBOL_GPL
> variant for dma_*map_phys().
>
> Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx>
> ---
> drivers/iommu/dma-iommu.c | 14 --------
> include/linux/dma-direct.h | 2 --
> include/linux/dma-mapping.h | 13 +++++++
> include/linux/iommu-dma.h | 4 ---
> include/trace/events/dma.h | 2 --
> kernel/dma/debug.c | 43 -----------------------
> kernel/dma/debug.h | 21 -----------
> kernel/dma/direct.c | 16 ---------
> kernel/dma/mapping.c | 69 ++++++++++++++++++++-----------------
> 9 files changed, 50 insertions(+), 134 deletions(-)
Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
Jason
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