linux-kernel - Re: swiotlb-xen cleanups v2

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Message-ID: <alpine.DEB.2.21.1908291554270.4927@sstabellini-ThinkPad-T480s>
Date:   Thu, 29 Aug 2019 15:55:59 -0700 (PDT)
From:   Stefano Stabellini <sstabellini@...nel.org>
To:     Christoph Hellwig <hch@....de>
cc:     Stefano Stabellini <sstabellini@...nel.org>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        x86@...nel.org, linux-arm-kernel@...ts.infradead.org,
        xen-devel@...ts.xenproject.org, iommu@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org
Subject: Re: swiotlb-xen cleanups v2

On Mon, 26 Aug 2019, Christoph Hellwig wrote:
> Hi Xen maintainers and friends,
> 
> please take a look at this series that cleans up the parts of swiotlb-xen
> that deal with non-coherent caches.
> 
> Changes since v1:
>  - rewrite dma_cache_maint to be much simpler
>  - improve various comments and commit logs
>  - remove page-coherent.h entirely

Thanks for your work on this, it really makes the code better. I tested
it on ARM64 with a non-coherent network device and verified it works as
intended (Cadence GEM on ZynqMP).