From: David Vrabel <david.vrabel@citrix.com>
To: Ian Campbell <ian.campbell@citrix.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Kevin Tian <kevin.tian@intel.com>,
"Zhang, Yu C" <yu.c.zhang@intel.com>,
Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Julien Grall <julien.grall@citrix.com>,
Paul Durrant <Paul.Durrant@citrix.com>,
"Lv, Zhiyuan" <zhiyuan.lv@intel.com>,
Jan Beulich <JBeulich@suse.com>,
xen-devel <xen-devel@lists.xenproject.org>,
Malcolm Crossley <malcolm.crossley@citrix.com>
Subject: Re: Xen PV IOMMU interface draft C
Date: Mon, 29 Jun 2015 16:24:32 +0100 [thread overview]
Message-ID: <55916330.30506@citrix.com> (raw)
In-Reply-To: <1435589566.32500.343.camel@citrix.com>
On 29/06/15 15:52, Ian Campbell wrote:
> On Mon, 2015-06-29 at 10:40 -0400, Konrad Rzeszutek Wilk wrote:
>> On Fri, Jun 26, 2015 at 12:03:44PM +0100, Ian Campbell wrote:
>>> +ARM devs.
>>>
>>> On Fri, 2015-06-26 at 11:23 +0100, Malcolm Crossley wrote:
>>>> Hi All,
>>>
>>> I had a chat with Malcolm about this with respect to ARM.
>>>
>>> The upshot is that this does not help us to remove the dom0 1:1
>>> workaround or associated swiotlb uses on systems without an SMMU, nor
>>> does it allow us to sensibly do passthrough on systems which lack an
>>> SMMU.
>>
>> What would?
>
> This "Xen PV IOMMU interface".
I guess Konrad is asking if this PV IOMMU interface doesn't solve these
problems, what (other possible interface) would? I guess the answer is
a SMMU?
David
next prev parent reply other threads:[~2015-06-29 15:24 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-12 16:43 [RFC] Xen PV IOMMU interface draft B Malcolm Crossley
2015-06-16 13:19 ` Jan Beulich
2015-06-16 14:47 ` Malcolm Crossley
2015-06-16 15:56 ` Jan Beulich
2015-06-17 12:48 ` Yu, Zhang
2015-06-17 13:34 ` Jan Beulich
2015-06-17 13:44 ` Malcolm Crossley
2015-06-26 10:23 ` Xen PV IOMMU interface draft C Malcolm Crossley
2015-06-26 11:03 ` Ian Campbell
2015-06-29 14:40 ` Konrad Rzeszutek Wilk
2015-06-29 14:52 ` Ian Campbell
2015-06-29 15:05 ` Malcolm Crossley
2015-06-29 15:24 ` David Vrabel [this message]
2015-06-29 15:36 ` Ian Campbell
2015-07-10 19:32 ` Konrad Rzeszutek Wilk
2016-02-10 10:09 ` Xen PV IOMMU interface draft D Malcolm Crossley
2016-02-18 8:21 ` Tian, Kevin
2016-02-23 16:17 ` Jan Beulich
2016-02-23 16:22 ` Malcolm Crossley
2016-03-02 6:54 ` Tian, Kevin
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