On Mon, Mar 07, 2022 at 07:29:22AM -0800, Dave Hansen wrote:
On 3/7/22 03:27, Jarkko Sakkinen wrote:
But e.g. in __mm_populate() anything with (VM_IO | VM_PFNMAP) gets filtered out and never reach that function.
I don't know unorthodox that'd be but could we perhaps have a VM flag for SGX?
SGX only works on a subset of the chips from one vendor on one architecture. That doesn't seem worth burning a VM flag.
What do you think of Matthew's idea of using ra_state for prediction?
BR, Jarkko