> From: Christopherson, Sean J > Sent: Friday, May 31, 2019 4:32 PM > > diff --git a/include/linux/mm.h b/include/linux/mm.h index 0e8834ac32b7..50a42364a885 > 100644 > --- a/include/linux/mm.h > +++ b/include/linux/mm.h > @@ -458,6 +458,8 @@ struct vm_operations_struct { > void (*close)(struct vm_area_struct * area); > int (*split)(struct vm_area_struct * area, unsigned long addr); > int (*mremap)(struct vm_area_struct * area); > + int (*mprotect)(struct vm_area_struct * area, unsigned long start, > + unsigned long end, unsigned long prot); As I commented in my reply to the cover letter, SGX driver doesn't need to intercept mprotect() if ALLOW_* flags are not spilled into it. > vm_fault_t (*fault)(struct vm_fault *vmf); > vm_fault_t (*huge_fault)(struct vm_fault *vmf, > enum page_entry_size pe_size);