linux-kernel - Re: [PATCH v1 0/2] swiotlb: Fix a couple of bugs in sizing areas

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Date:   Mon, 26 Jun 2023 16:08:30 +0200
From:   Roberto Sassu <roberto.sassu@...weicloud.com>
To:     Petr Tesarik <petrtesarik@...weicloud.com>,
        Christoph Hellwig <hch@....de>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Robin Murphy <robin.murphy@....com>,
        "open list:DMA MAPPING HELPERS" <iommu@...ts.linux.dev>,
        open list <linux-kernel@...r.kernel.org>
Cc:     Kefeng Wang <wangkefeng.wang@...wei.com>, petr@...arici.cz
Subject: Re: [PATCH v1 0/2] swiotlb: Fix a couple of bugs in sizing areas

On Mon, 2023-06-26 at 15:01 +0200, Petr Tesarik wrote:
> From: Petr Tesarik <petr.tesarik.ext@...wei.com>
> 
> While reworking the dynamic SWIOTLB implementation, I ran into some
> locking issues with the current implementation. I believe the bugs
> are serious enough to be fixed separately.

Thanks, excellent work!

Reviewed-by: Roberto Sassu <roberto.sassu@...wei.com>

Roberto

> Petr Tesarik (2):
>   swiotlb: Always set the number of areas before allocating the pool
>   swiotlb: Reduce the number of areas to match actual memory pool size
> 
>  kernel/dma/swiotlb.c | 46 +++++++++++++++++++++++++++++++++-----------
>  1 file changed, 35 insertions(+), 11 deletions(-)
>