Re: [RFC Part2 PATCH v3 15/26] KVM: SVM: Add support for SEV LAUNCH_START command

From: Borislav Petkov
Date: Wed Sep 13 2017 - 17:03:19 EST

On Wed, Sep 13, 2017 at 01:58:31PM -0500, Brijesh Singh wrote:
> Actually reversed fields are not exposed in userspace structure.


> The current approach is -- while handling the command we copy the value
> from userspace structure into FW compatible structure and also populate
> missing fields which are not known to userspace (e.g firmware handle,
> VM ASID, use system physical addresses etc).

Yap, that makes sense. All I'm saying is, check anything that userspace
can influence and make sure it is sensible.



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