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Re: [Xen-devel] [PATCH v6 04/10] xen: Introduce XENMEM_soft_reset operation
- To: "Vitaly Kuznetsov" <vkuznets@xxxxxxxxxx>
- From: "Jan Beulich" <JBeulich@xxxxxxxx>
- Date: Tue, 26 May 2015 09:50:39 +0100
- Cc: Olaf Hering <olaf@xxxxxxxxx>, Wei Liu <wei.liu2@xxxxxxxxxx>, Ian Campbell <ian.campbell@xxxxxxxxxx>, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Julien Grall <julien.grall@xxxxxxxxxx>, Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, Andrew Jones <drjones@xxxxxxxxxx>, Tim Deegan <tim@xxxxxxx>, David Vrabel <david.vrabel@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>, Keir Fraser <keir@xxxxxxx>
- Delivery-date: Tue, 26 May 2015 08:50:50 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
>>> On 26.05.15 at 10:05, <vkuznets@xxxxxxxxxx> wrote:
> No, not really. Protecting against a misbehaving control domain
> (guaranteeing the correctness of the operation) is going
> to be incomplete anyway. I think we just need to make this operation
> safe so even the control domain won't be able to compromise the
> hypervisor by doing something nasty.
Of course, as new exceptions as per XSA-77 are not allowed.
Jan
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