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Date:   Sat, 16 May 2020 12:58:20 +0300
From:   Jarkko Sakkinen <>
To:     Nathaniel McCallum <>,
        "Dr. Greg" <>
Cc:     Sean Christopherson <>,
        Thomas Gleixner <>,,,,,,,
        Neil Horman <>,
        "Huang, Haitao" <>,,
        "Svahn, Kai" <>,,
        Josh Triplett <>,,, David Rientjes <>,
        "Xing, Cedric" <>,
        Patrick Uiterwijk <>
Subject: Re: [PATCH v29 00/20] Intel SGX foundations

On Fri, 2020-05-15 at 15:54 -0400, Nathaniel McCallum wrote:
> The (Red Hat sponsored) Enarx project will continue building an
> unofficial, unsupported version of the Fedora kernel with the SGX
> patches[0] until such time as the patches are upstream. Once upstream,
> I intend to propose that the feature be enabled in the stock Fedora
> kernel.
> Enarx requires EDMM support as a prerequisite to being production
> ready. Therefore, we are likely to continue building this custom
> Fedora kernel with the latest patches until such point as EDMM support
> lands upstream. This also implies that I have no current plan to
> request an SGX backport to a RHEL kernel until such time as it
> supports our full needs.
> Disclaimer: I do not control RHEL or Fedora kernel features. None of
> the above constitutes a commitment to deliver anything.
> [0]:

SGX is somewhat self-contained feature, i.e. should be easy to backport
for any recent kernel. Only the vDSO is outside of arch/x86/kernel/cpu/sgx.


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