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Date: Tue, 11 Nov 2014 11:16:03 +0000
From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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To: Catalin Marinas <catalin.marinas@arm.com>
CC: Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
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Subject: Re: [PATCH v8 0/13] introduce GNTTABOP_cache_flush
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References: <alpine.DEB.2.02.1411101607130.22875@kaball.uk.xensource.com> <20141110184446.GJ25609@e104818-lin.cambridge.arm.com>
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On Mon, 10 Nov 2014, Catalin Marinas wrote:
> On Mon, Nov 10, 2014 at 04:12:40PM +0000, Stefano Stabellini wrote:
> > this patch series introduces support for GNTTABOP_cache_flush to perform
> > cache maintenance operation on foreign pages and reverts the current
> > code based on XENFEAT_grant_map_identity.
> > 
> > It also provides a very slow fallback by bouncing on the swiotlb buffer,
> > in case the hypercall is not available.
> > 
> > v7 introduces a flag named dma_coherent in dev_archdata and an accessor
> > function named is_device_dma_coherent in asm/dma-mapping.h under arm and
> > arm64.
> 
> Apart from a few minor comments I gave already, the series looks fine to
> me. Once addressed, you can add:
> 
> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>

Thank you very much for your help!