Messages in this thread | | | Date | Tue, 14 Dec 2021 11:37:39 +0100 | Subject | Re: [patch 1/6] x86/fpu: Extend fpu_xstate_prctl() with guest permissions | From | Paolo Bonzini <> |
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On 12/14/21 06:13, Tian, Kevin wrote: >> 2) Permissions are frozen when the first vCPU is created to ensure >> consistency. Any attempt to expand permissions via the prctl() after >> that point is rejected. > > A curiosity question. Do we allow the user to reduce permissions?
No, there's no prctl for that.
Paolo
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