On Fri, Nov 16, 2018 at 03:33:35PM -0800, Dave Hansen wrote: > 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.
A valid point. /Jarkko
