linux-kernel - Re: [Xen-devel] [PATCH 08/11] swiotlb-xen: use the same foreign page check everywhere

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Message-ID: <5c987a35-4e66-6d12-82e4-06fcffc3be3e@arm.com>
Date:   Mon, 19 Aug 2019 14:53:40 +0100
From:   Julien Grall <julien.grall@....com>
To:     Christoph Hellwig <hch@....de>,
        Stefano Stabellini <sstabellini@...nel.org>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc:     xen-devel@...ts.xenproject.org, iommu@...ts.linux-foundation.org,
        x86@...nel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [Xen-devel] [PATCH 08/11] swiotlb-xen: use the same foreign page
 check everywhere

Hi Christoph,

On 8/16/19 2:00 PM, Christoph Hellwig wrote:
> xen_dma_map_page uses a different and more complicated check for
> foreign pages than the other three cache maintainance helpers.
> Switch it to the simpler pfn_vali method a well.

NIT: s/pfn_vali/pfn_valid/

> 
> Signed-off-by: Christoph Hellwig <hch@....de>

Reviewed-by: Julien Grall <julien.grall@....com>

Cheers,

-- 
Julien Grall