Re: [PATCH v3] x86/sgx: Synchronize encl->srcu in sgx_encl_release().

[Borislav Petkov]

On Wed, Jan 13, 2021 at 09:46:02AM -0800, Paul E. McKenney wrote:

< Lemme trim that mail fat >

> It seems to me that loading and unloading SGX enclaves qualifies as a
> configuration operation, so use of synchronize_srcu_expedited() should be
> just fine in that case.  This of course implies that SGX enclaves should
> not be loaded or unloaded while an aggressive real-time application
> is running.  Which might well be the case for other reasons.

I believe RT and SGX should be orthogonal to each-other unless someone rolls out
of the woodwork, wanting to run realtime enclaves... Ewww.

> So I believe synchronize_srcu_expedited() should be fine in this case.

Thx.

-- 
Regards/Gruss,
    Boris.

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