Messages in this thread | | | Date | Tue, 21 Nov 2017 14:23:38 +0200 | From | Jarkko Sakkinen <> | Subject | Re: [PATCH v5 08/11] intel_sgx: in-kernel launch enclave |
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On Tue, Nov 21, 2017 at 12:48:26AM +0100, Thomas Gleixner wrote: > The launch enclave is part of the kernel, at least that's what the subject > line claims. So why and how would it do a syscall? The kernel has it's > internal crypto API.
It's part of the kernel in the way as lets say code arch/x86/realmode is. It's hosted by kernel but it does not run in the same address space as the kernel.
These constraints apply for enclaves:
1. They only run in ring-3. 2. They can only execute code inside their address range.
/Jarkko
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