Messages in this thread | | | Date | Wed, 3 Aug 2022 19:33:39 +0200 | Subject | Re: [PATCH] x86/fpu: Allow PKRU to be (once again) written by ptrace. | From | Paolo Bonzini <> |
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On 8/3/22 19:25, Ingo Molnar wrote: > Ok - allowing ptrace to set the full 32 bits of the PKRU register seems OK > then, and is 100% equivalent to using WRPKRU, right? So there's no implicit > masking/clearing of bits depending on how many keys are available, or other > details where WRPKRU might differ from a pure 32-bit per thread write, > correct?
Yes, it's the same.
Paolo
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