diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2022-02-04 18:15:41 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2022-02-04 18:15:41 +0000 |
| commit | 2bf5df3456d51e99af322c835139176c5bd0bd09 (patch) | |
| tree | 8e82010cffcdae0dc493ca0c87ef6bbc65563a07 | |
| parent | d1a198218dc2ea996e5af4fbed5c3bb9fed43bf5 (diff) | |
Define __HAVE_PMAP_MPSAFE_ENTER_COW; the ARMv8 architecture requires
that we implement proper "break-before-make" semantics and I've stared
at the code for long enough that I've convinced myself that we do indeed
implement this correctly several times.
ok guenther@
| -rw-r--r-- | sys/arch/arm64/include/pmap.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/arch/arm64/include/pmap.h b/sys/arch/arm64/include/pmap.h index c5911b909ca..5a655287bdd 100644 --- a/sys/arch/arm64/include/pmap.h +++ b/sys/arch/arm64/include/pmap.h @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap.h,v 1.18 2021/05/16 03:30:33 jsg Exp $ */ +/* $OpenBSD: pmap.h,v 1.19 2022/02/04 18:15:40 kettenis Exp $ */ /* * Copyright (c) 2008,2009,2014 Dale Rahn <drahn@dalerahn.com> * @@ -112,6 +112,8 @@ int pmap_fault_fixup(pmap_t, vaddr_t, vm_prot_t); void pmap_postinit(void); void pmap_map_early(paddr_t, psize_t); +#define __HAVE_PMAP_MPSAFE_ENTER_COW + #endif /* _KERNEL && !_LOCORE */ #ifndef _LOCORE |