On Mon, Aug 27, 2018 at 02:15:34PM -0700, Dave Hansen wrote: > 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)? KVM has its own implementation for these operations. /Jarkko