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| author |   mlarkin <mlarkin@openbsd.org> | 2013-10-20 09:41:31 +0000 |
|---|---|---|
| committer | mlarkin <mlarkin@openbsd.org> | 2013-10-20 09:41:31 +0000 |
| commit | 48b1e6d057ae162b981546d64c832edcd45a0612 (patch) | |
| tree | fd7aa7f6bcfb5ec165d2d36f430f76a0f949dd80 /sys/kern/subr_hibernate.c | |
| parent | Don't turn on modifyOtherKeys by default, it is annoying if tmux is (diff) | |
| download | wireguard-openbsd-48b1e6d057ae162b981546d64c832edcd45a0612.tar.xz wireguard-openbsd-48b1e6d057ae162b981546d64c832edcd45a0612.zip | |
SMEP (on Ivy Bridge and later CPUs) require page protections that include
at least one supervisor mode (U/S bit = 0) setting in higher level paging
structures. This diff removes PG_u flags from the hibernate resume time
pmap (there was really no reason we needed it), to allow hibernate to
work on Ivy Bridge and later CPUs.
ok deraadt
Diffstat (limited to 'sys/kern/subr_hibernate.c')
0 files changed, 0 insertions, 0 deletions