On 08/27/2018 11:53 AM, Jarkko Sakkinen wrote: > +struct sgx_epc_page_ops { > + bool (*get)(struct sgx_epc_page *epc_page); > + void (*put)(struct sgx_epc_page *epc_page); > + bool (*reclaim)(struct sgx_epc_page *epc_page); > + void (*block)(struct sgx_epc_page *epc_page); > + void (*write)(struct sgx_epc_page *epc_page); > +}; Why do we need a fancy, slow (retpoline'd) set of function pointers when we only have one user of these (the SGX driver)?