diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2023-04-16 11:14:27 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2023-04-16 11:14:27 +0000 |
| commit | a611d42472835de53a9ca76984e0a6708d7f5b15 (patch) | |
| tree | 8c5c4b817e7102b7b7c3f6cbc41287a26bbc13b2 /sys/arch/arm64/include | |
| parent | 050b76eae02f1a86b57b8b6117e01e92768697bf (diff) | |
Make enabling the BTI feature a per-pmap thing by storing the ATTR_GP bit
in a new pm_guarded member of struct pmap and using this member to add
the bits to the PTEs
ok deraadt@
Diffstat (limited to 'sys/arch/arm64/include')
| -rw-r--r-- | sys/arch/arm64/include/pmap.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/arch/arm64/include/pmap.h b/sys/arch/arm64/include/pmap.h index 89fa7cdd5e3..d61d9936c66 100644 --- a/sys/arch/arm64/include/pmap.h +++ b/sys/arch/arm64/include/pmap.h @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap.h,v 1.22 2023/02/16 20:32:39 miod Exp $ */ +/* $OpenBSD: pmap.h,v 1.23 2023/04/16 11:14:26 kettenis Exp $ */ /* * Copyright (c) 2008,2009,2014 Dale Rahn <drahn@dalerahn.com> * @@ -66,6 +66,7 @@ struct pmap { } pm_vp; uint64_t pm_pt0pa; uint64_t pm_asid; + uint64_t pm_guarded; int have_4_level_pt; int pm_privileged; int pm_refs; /* ref count */ |