Messages in this thread | | | Date | Mon, 10 Aug 2020 16:48:37 -0700 | From | Sean Christopherson <> | Subject | Re: [PATCH v36 21/24] x86/vdso: Implement a vDSO for Intel SGX enclave call |
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On Mon, Aug 10, 2020 at 04:08:46PM -0700, Andy Lutomirski wrote: > What am I missing? I still don't really understand why we are > supporting this mechanism at all. Just the asm code to invoke the > callback seems to be about half of the entire function.
Because the Intel SDK (and other SDKs?) wants to use the host stack to pass parameters out of the enclave.
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