Re: [PATCH v3 0/3] Fix double allocation in swiotlb_alloc()

[Christoph Hellwig <hch@lst.de>]

Robin and Petr, does this looks good to you now?

On Mon, Feb 05, 2024 at 07:01:24PM +0000, Will Deacon wrote:
> Hi all,
> 
> This is version three of the patches I posted recently:
> 
> v1: https://lore.kernel.org/r/20240126151956.10014-1-will@kernel.org
> v2: https://lore.kernel.org/r/20240131122543.14791-1-will@kernel.org
> 
> Thanks to Robin for the comments on the most recent version.
> 
> Changes since v2 include:
> 
>   - Restore missing 'continue' statement that got accidentally dropped
>     while addressing the initial round of review feedback.
> 
>   - Reword the commit message in patch #1
> 
>   - Add a Fixes: tag to the last patch
> 
> Cheers,
> 
> Will
> 
> Cc: iommu@lists.linux.dev
> Cc: Christoph Hellwig <hch@lst.de>
> Cc: Marek Szyprowski <m.szyprowski@samsung.com>
> Cc: Robin Murphy <robin.murphy@arm.com>
> Cc: Petr Tesarik <petr.tesarik1@huawei-partners.com>
> Cc: Dexuan Cui <decui@microsoft.com>
> 
> --->8
> 
> Will Deacon (3):
>   swiotlb: Fix double-allocation of slots due to broken alignment
>     handling
>   swiotlb: Enforce page alignment in swiotlb_alloc()
>   swiotlb: Honour dma_alloc_coherent() alignment in swiotlb_alloc()
> 
>  kernel/dma/swiotlb.c | 38 ++++++++++++++++++++++++--------------
>  1 file changed, 24 insertions(+), 14 deletions(-)
> 
> -- 
> 2.43.0.594.gd9cf4e227d-goog
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