Re: [PATCH v38 14/24] x86/sgx: Add SGX_IOC_ENCLAVE_INIT

From: Borislav Petkov
Date: Tue Sep 22 2020 - 10:29:14 EST


On Tue, Sep 22, 2020 at 02:56:19PM +0200, Jethro Beekman wrote:
> I don't see why you'd need to retry indefinitely. Yes the MSRs may not
> match the cached value for “reasons”, but if after you've written
> them once it still doesn't work, clearly either 1) an “unhelpful”
> VMM is actively messing with the MSRs which I'd say is at best a VMM
> bug or 2) there was an EPC reset and your enclave is now invalid
> anyway, so no need to EINIT.

/me likes that even more.

Thx.

--
Regards/Gruss,
Boris.

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