From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
To: Catalin Marinas <catalin.marinas@arm.com>
Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
"xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
"Ian.Campbell@citrix.com" <Ian.Campbell@citrix.com>,
David Vrabel <david.vrabel@citrix.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v8 0/13] introduce GNTTABOP_cache_flush
Date: Tue, 11 Nov 2014 11:16:03 +0000 [thread overview]
Message-ID: <alpine.DEB.2.02.1411111115400.26318@kaball.uk.xensource.com> (raw)
In-Reply-To: <20141110184446.GJ25609@e104818-lin.cambridge.arm.com>
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!
prev parent reply other threads:[~2014-11-11 11:16 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-10 16:12 Stefano Stabellini
2014-11-10 16:13 ` [PATCH v8 01/13] xen/arm: remove handling of XENFEAT_grant_map_identity Stefano Stabellini
2014-11-10 16:13 ` [PATCH v8 02/13] xen/arm: remove outer_*_range call Stefano Stabellini
2014-11-10 16:13 ` [PATCH v8 03/13] xen/arm: if(pfn_valid(pfn)) call native dma_ops Stefano Stabellini
2014-11-10 18:41 ` Catalin Marinas
2014-11-11 11:07 ` Stefano Stabellini
2014-11-10 16:13 ` [PATCH v8 04/13] arm64: introduce is_device_dma_coherent Stefano Stabellini
2014-11-10 18:42 ` Catalin Marinas
2014-11-11 11:14 ` Stefano Stabellini
2014-11-10 16:13 ` [PATCH v8 05/13] arm: " Stefano Stabellini
2014-11-10 16:13 ` [PATCH v8 06/13] xen/arm: use is_device_dma_coherent Stefano Stabellini
2014-11-10 16:13 ` [PATCH v8 07/13] xen: add a dma_addr_t dev_addr argument to xen_dma_map_page Stefano Stabellini
2014-11-10 18:24 ` Catalin Marinas
2014-11-10 16:14 ` [PATCH v8 08/13] xen/arm: use hypercall to flush caches in map_page Stefano Stabellini
2014-11-10 18:27 ` Catalin Marinas
2014-11-10 16:14 ` [PATCH v8 09/13] xen/arm/arm64: merge xen/mm32.c into xen/mm.c Stefano Stabellini
2014-11-10 18:32 ` Catalin Marinas
2014-11-10 16:14 ` [PATCH v8 10/13] xen/arm/arm64: introduce xen_arch_need_swiotlb Stefano Stabellini
2014-11-10 18:34 ` Catalin Marinas
2014-11-11 11:52 ` Stefano Stabellini
2014-11-10 16:14 ` [PATCH v8 11/13] xen/arm: introduce GNTTABOP_cache_flush Stefano Stabellini
2014-11-10 16:14 ` [PATCH v8 12/13] swiotlb-xen: pass dev_addr to xen_dma_unmap_page and xen_dma_sync_single_for_cpu Stefano Stabellini
2014-11-10 16:14 ` [PATCH v8 13/13] swiotlb-xen: remove BUG_ON in xen_bus_to_phys Stefano Stabellini
2014-11-10 18:44 ` [PATCH v8 0/13] introduce GNTTABOP_cache_flush Catalin Marinas
2014-11-11 11:16 ` Stefano Stabellini [this message]
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