[PATCH v1 00/17] Provide a new two step DMA mapping API
Jens Axboe
axboe at kernel.dk
Wed Oct 30 18:44:13 PDT 2024
On 10/30/24 9:12 AM, Leon Romanovsky wrote:
> Changelog:
> v1:
> * Squashed two VFIO patches into one
> * Added Acked-by/Reviewed-by tags
> * Fix docs spelling errors
> * Simplified dma_iova_sync() API
> * Added extra check in dma_iova_destroy() if mapped size to make code more clear
> * Fixed checkpatch warnings in p2p patch
> * Changed implementation of VFIO mlx5 mlx5vf_add_migration_pages() to
> be more general
> * Reduced the number of changes in VFIO patch
> v0: https://lore.kernel.org/all/cover.1730037276.git.leon@kernel.org
>
> ----------------------------------------------------------------------------
> The code can be downloaded from:
> https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git tag:dma-split-oct-30
On Christoph's request, I tested this series last week and saw some
pretty significant performance regressions on my box. I don't know what
the status is in terms of that, just want to make sure something like
this doesn't get merged until that is both fully understood and sorted
out.
--
Jens Axboe
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