Hi,
I remove some pages'' _PAGE_RW flags and record these pages.
Then I modify do_page_fault function of Xen. I just add
_PAGE_RW flags to these, when they are written.
However, my domain still crashes.
Guest OS are supposed to know nothing about this. Why does this happen?
R
Apparently Analagous Threads
- Bug#665433: xen hypervisor FATAL PAGE FAULT after linux kernel BUG: unable to handle kernel paging request
- [PATCH] minios: support COW for a zero page
- pv-grub will cause page fault if build with flag -fstack-protector
- Execution Flow when Guest Page Fault
- [PATCH] x86: adjust reserved bit page fault handling
Wisdom of the Ancients
