Re: [RFC PATCH v2 12/26] x86/sgx: Add helper to update SGX_LEPUBKEYHASHn MSRs

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On Wed, 20 Jan 2021 17:15:35 -0800 Dave Hansen wrote:
> On 1/20/21 5:06 PM, Kai Huang wrote:
> > 
> > /*
> >  * Update the SGX_LEPUBKEYHASH MSRs to the values specified by caller.
> >  *
> >  * EINITTOKEN is not used in enclave initialization, which requires
> >  * hash of enclave's signer must match values in SGX_LEPUBKEYHASH MSRs
> >  * to make EINIT be successful.
> >  */
> 
> I'm grumpy, but I hate it.
> 
> I'll stop the bike shedding for now, though.

Jarkko and Dave,

I'll change to use below:

 /*
  * Update the SGX_LEPUBKEYHASH MSRs to the values specified by caller.
  * Bare-metal driver requires to update them to hash of enclave's signer
  * before EINIT. KVM needs to update them to guest's virtual MSR values
  * before doing EINIT from guest.
  */

Please let me know if are not OK with this.



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