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Date: Tue, 11 Nov 2014 11:16:03 +0000
From: Stefano Stabellini <stefano.stabellini@...citrix.com>
To: Catalin Marinas <catalin.marinas@....com>
CC: Stefano Stabellini <stefano.stabellini@...citrix.com>,
"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
"Ian.Campbell@...rix.com" <Ian.Campbell@...rix.com>,
David Vrabel <david.vrabel@...rix.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v8 0/13] introduce GNTTABOP_cache_flush
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@....com>
Thank you very much for your help!
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