diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2018-05-09 12:20:15 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@ozlabs.org> | 2018-05-17 15:16:59 +1000 |
| commit | 7e3d9a1d0f2c681456a2e04b8ba9a2fb448fe515 (patch) | |
| tree | 8d99863b05c7f8af0ab88c348eaca6a6f72bade1 /mm/page_ext.c | |
| parent | e2560b108fb1375b5fab196c1ec0d910bbe8a38b (diff) | |
KVM: PPC: Book3S HV: Make radix clear pte when unmapping
The current partition table unmap code clears the _PAGE_PRESENT bit
out of the pte, which leaves pud_huge/pmd_huge true and does not
clear pud_present/pmd_present. This can confuse subsequent page
faults and possibly lead to the guest looping doing continual
hypervisor page faults.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Diffstat (limited to 'mm/page_ext.c')
0 files changed, 0 insertions, 0 deletions