On 1/30/22 13:18, Rick Edgecombe wrote: > Like a writable data page, a shadow stack page is writable, and becomes > read-only during copy-on-write, but it is always dirty. One other thing... The language in these changelogs is a bit sloppy. For instance, what does "always dirty" mean here? pte_dirty()? Or strictly _PAGE_DIRTY? In other words, logically dirty, or literally "has *the* dirty bit set"?