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Re: Linux pin_user_pages_fast fails on Xen
- To: Stefano Stabellini <stefano.stabellini@xxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Thu, 15 Sep 2022 09:48:07 +0200
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- Cc: "NK, JESHWANTHKUMAR (JESHWANTH KUMAR)" <JESHWANTHKUMAR.NK@xxxxxxx>, "boris.ostrovsky@xxxxxxxxxx" <boris.ostrovsky@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, "Rangasamy, Devaraj" <Devaraj.Rangasamy@xxxxxxx>, "Pandeshwara krishna, Mythri" <Mythri.Pandeshwarakrishna@xxxxxxx>, "SK, SivaSangeetha (Siva Sangeetha)" <SivaSangeetha.SK@xxxxxxx>, "Thomas, Rijo-john" <Rijo-john.Thomas@xxxxxxx>, "jgross@xxxxxxxx" <jgross@xxxxxxxx>
- Delivery-date: Thu, 15 Sep 2022 07:48:49 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 15.09.2022 03:18, Stefano Stabellini wrote:
> On Wed, 14 Sep 2022, Jan Beulich wrote:
>> I did look some at the specific use by the TEE subsystem, and it looks
>> to me as if their "shared memory" machinery simply isn't meant to be
>> used with non-local memory.
>
> Any more info?
I guess that's not a question to me, but to the subsystem maintainer(s)?
For everything else in your response I think Jürgen has addressed things
sufficiently.
Jan
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