From: Julien Grall <julien.grall@linaro.org>
To: Ian Campbell <ian.campbell@citrix.com>
Cc: xen-devel@lists.xenproject.org, stefano.stabellini@citrix.com,
tim@xen.org
Subject: Re: [PATCH v5] xen/iommu: smmu: Advertise when the SMMU support coherent table walk
Date: Tue, 03 Mar 2015 12:19:51 +0000 [thread overview]
Message-ID: <54F5A6E7.30303@linaro.org> (raw)
In-Reply-To: <1425315868.24959.20.camel@citrix.com>
On 02/03/2015 17:04, Ian Campbell wrote:
> On Mon, 2015-03-02 at 15:42 +0000, Julien Grall wrote:
>> I've just noticed that the support on the previous driver (i.e in
>> Xen 4.5) may incorrectly expose this feature when all the SMMUs is
>> not supporting coherent table walk.
>>
>> I'm not sure, if I should send a patch for it.
>
> Probably not a lot of point given the dearth of hardware where it would
> actually matter?
IGiven there is a lake of PCI support in the SMMU for Xen 4.5, I guess
we can consider the driver not usable in new hardware.
Regards,
--
Julien Grall
prev parent reply other threads:[~2015-03-03 12:19 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-02 15:42 [PATCH v5] xen/iommu: smmu: Advertise when the SMMU support coherent table walk Julien Grall
2015-03-02 17:02 ` Ian Campbell
2015-03-02 17:04 ` Ian Campbell
2015-03-03 12:19 ` Julien Grall [this message]
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