Re: [PATCH 0/4] x86/sgx: fine grained SGX MCA behavior

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On Sat, 2022-05-14 at 13:39 +0800, Zhiquan Li wrote:
> On 2022/5/14 00:35, Luck, Tony wrote:
> > > > Do you think the processes sharing the same enclave need to be killed,
> > > > even they had not touched the EPC page with hardware error?
> > > > Any ideas are welcome.
> > > 
> > > I do not think the patch set is going to wrong direction. This discussion
> > > was just missing from the cover letter.
> 
> OK, I will add this point into v2 of cover letter and patch 03.
> 
> 

I don't think you should add to patch 03.  The same enclave can be shared by
multiple processes is only true for host enclaves, but not virtual EPC isntance.
Virtual EPC instance is just a raw EPC resource which is accessible to guest,
but how enclaves are created on this EPC resource is completely upto guest. 
Therefore, one virtual EPC cannot be shared by two guests.


-- 
Thanks,
-Kai





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