Re: [PATCH v6 04/13] arm64/kvm: hide ptrauth from guests

From: Kristina Martsenko
Date: Mon Dec 10 2018 - 15:30:40 EST


On 10/12/2018 20:22, Richard Henderson wrote:
> On 12/10/18 2:12 PM, Kristina Martsenko wrote:
>> The plan was to disable trapping, yes. However, after that thread there
>> was a retrospective change applied to the architecture, such that the
>> XPACLRI (and XPACD/XPACI) instructions are no longer trapped by
>> HCR_EL2.API. (The public documentation on this has not been updated
>> yet.) This means that no HINT-space instructions should trap anymore.
>
> Ah, thanks for the update. I'll update my QEMU patch set.
>
>>> It seems like the header comment here, and
>> Sorry, which header comment?
>
> Sorry, the patch commit message.

Ah ok. Still seems correct.

Kristina