Messages in this thread | | | Date | Fri, 26 Mar 2021 16:29:31 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH v3 05/25] x86/sgx: Introduce virtual EPC for use by KVM guests |
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On Fri, Mar 26, 2021 at 08:17:38AM -0700, Dave Hansen wrote: > We're working on a cgroup controller just for enclave pages that will > apply to guest use and bare metal. It would have been nice to have up > front, but we're trying to do things incrementally. A cgroup controller > should solve he vast majority of these issues where users are quarreling > about who gets enclave memory.
Maybe I'm missing something but why do you need a cgroup controller instead of controlling that resource sharing in the sgx core? Or the cgroup thing has additional functionality which is good to have anyway?
> BTW, we probably should have laid this out up front in the original > merge, but the plans in order were roughly: > > 1. Core SGX functionality (merged into 5.11) > 2. NUMA and KVM work > 3. cgroup controller for enclave pages > 4. EDMM support (lets you add/remove pages and change permissions while > enclave runs. Current enclaves are stuck with the same memory they > start with)
Oh yeah, that helps, thanks!
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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