linux-kernel - Re: [PATCH v3 0/3] Fix double allocation in swiotlb

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Message-ID: <20240219063527.GA4580@lst.de>
Date: Mon, 19 Feb 2024 07:35:27 +0100
From: Christoph Hellwig <hch@....de>
To: Will Deacon <will@...nel.org>
Cc: linux-kernel@...r.kernel.org, kernel-team@...roid.com,
	iommu@...ts.linux.dev, Christoph Hellwig <hch@....de>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Robin Murphy <robin.murphy@....com>,
	Petr Tesarik <petr.tesarik1@...wei-partners.com>,
	Dexuan Cui <decui@...rosoft.com>
Subject: Re: [PATCH v3 0/3] Fix double allocation in swiotlb_alloc()

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@...ts.linux.dev
> Cc: Christoph Hellwig <hch@....de>
> Cc: Marek Szyprowski <m.szyprowski@...sung.com>
> Cc: Robin Murphy <robin.murphy@....com>
> Cc: Petr Tesarik <petr.tesarik1@...wei-partners.com>
> Cc: Dexuan Cui <decui@...rosoft.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
---end quoted text---