Messages in this thread | | | Subject | Re: [PATCH v17 07/23] x86/mm: x86/sgx: Add new 'PF_SGX' page fault error code bit | From | Dave Hansen <> | Date | Fri, 16 Nov 2018 15:33:35 -0800 |
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On 11/15/18 5:01 PM, Jarkko Sakkinen wrote: > The SGX bit is set in the #PF error code if and only if the fault is > detected by the Enclave Page Cache Map (EPCM), a hardware-managed > table that enforces the paging permissions defined by the enclave, > e.g. to prevent the kernel from changing the permissions of an > enclave's page(s).
This should probably also mention that, despite being a page fault, X86_PF_SGX has nothing to do with paging itself.
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