From: Kai Huang <kai.huang@intel.com>
To: Zhiquan Li <zhiquan1.li@intel.com>,
"Luck, Tony" <tony.luck@intel.com>,
Jarkko Sakkinen <jarkko@kernel.org>
Cc: "linux-sgx@vger.kernel.org" <linux-sgx@vger.kernel.org>,
"dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>,
"Christopherson,, Sean" <seanjc@google.com>,
"Du, Fan" <fan.du@intel.com>
Subject: Re: [PATCH 0/4] x86/sgx: fine grained SGX MCA behavior
Date: Mon, 16 May 2022 14:29:10 +1200 [thread overview]
Message-ID: <968e75d65a37ff7ae21f84875b78fb1ebbbef33d.camel@intel.com> (raw)
In-Reply-To: <35284def-ca7f-d42b-164f-1c49eb8977ee@intel.com>
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
next prev parent reply other threads:[~2022-05-16 2:29 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-10 3:16 [PATCH 0/4] x86/sgx: fine grained SGX MCA behavior Zhiquan Li
2022-05-11 10:29 ` Jarkko Sakkinen
2022-05-12 12:03 ` Zhiquan Li
2022-05-13 14:38 ` Jarkko Sakkinen
2022-05-13 16:35 ` Luck, Tony
2022-05-14 5:39 ` Zhiquan Li
2022-05-15 3:35 ` Luck, Tony
2022-05-16 0:57 ` Zhiquan Li
2022-05-16 2:29 ` Kai Huang [this message]
2022-05-16 8:40 ` Zhiquan Li
2022-05-17 0:43 ` Kai Huang
2022-05-18 1:02 ` Zhiquan Li
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