On 1/30/22 13:18, Rick Edgecombe wrote: > A shadow stack PTE must be read-only and have _PAGE_DIRTY set. However, > read-only and Dirty PTEs also exist for copy-on-write (COW) pages. These > two cases are handled differently for page faults. Introduce > VM_SHADOW_STACK to track shadow stack VMAs. This is also a very appropriate place to remind folks that VM_WRITE is mutually exclusive with this flag. That's pretty important.
