From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Subject: Re: [intel-sgx-kernel-dev] [PATCH v11 09/13] x86, sgx: basic
 routines for enclave page cache
Date: Mon, 25 Jun 2018 10:36:47 +0300
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To: Andy Lutomirski <luto@kernel.org>, Jethro Beekman <jethro@fortanix.com>
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On Mon, 2018-06-18 at 14:33 -0700, Andy Lutomirski wrote:
> When KVM host support goes in, even this won't be good enough if we
> want to allow passthrough access to the MSRs because we will no longer
> be able to guarantee that all zeros is invalid.  Instead we'd need an
> actual flag saying that the cache is invalid.

I'm not sure if I understood this part. If it was pass-through, and
there was a flag, how that flag in the host would get updated?

/Jarkko