diff options
author | alc <alc@FreeBSD.org> | 2004-08-26 04:15:36 +0000 |
---|---|---|
committer | alc <alc@FreeBSD.org> | 2004-08-26 04:15:36 +0000 |
commit | 270429c53c41f1ccb67357f9ead5ef113c8be016 (patch) | |
tree | 7d35d6fd5b05a61ea3332f511df6329a09645748 /sys/powerpc/include | |
parent | 2222ae0c1d1b04bb980f9c2590c79260b7cfe878 (diff) | |
download | FreeBSD-src-270429c53c41f1ccb67357f9ead5ef113c8be016.zip FreeBSD-src-270429c53c41f1ccb67357f9ead5ef113c8be016.tar.gz |
Add pmap locking to many of the functions.
Many thanks to Andrew Gallatin for resolving a powerpc-specific
initialization problem in my original patch.
Tested by: gallatin@
Diffstat (limited to 'sys/powerpc/include')
-rw-r--r-- | sys/powerpc/include/pmap.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sys/powerpc/include/pmap.h b/sys/powerpc/include/pmap.h index 16fc5c6..e28042c 100644 --- a/sys/powerpc/include/pmap.h +++ b/sys/powerpc/include/pmap.h @@ -35,6 +35,9 @@ #ifndef _MACHINE_PMAP_H_ #define _MACHINE_PMAP_H_ +#include <sys/queue.h> +#include <sys/_lock.h> +#include <sys/_mutex.h> #include <machine/sr.h> #include <machine/pte.h> @@ -43,6 +46,7 @@ #endif /* !defined(NPMAPS) */ struct pmap { + struct mtx pm_mtx; u_int pm_sr[16]; u_int pm_active; u_int pm_context; @@ -72,6 +76,17 @@ extern struct pmap kernel_pmap_store; #ifdef _KERNEL +#define PMAP_LOCK(pmap) mtx_lock(&(pmap)->pm_mtx) +#define PMAP_LOCK_ASSERT(pmap, type) \ + mtx_assert(&(pmap)->pm_mtx, (type)) +#define PMAP_LOCK_DESTROY(pmap) mtx_destroy(&(pmap)->pm_mtx) +#define PMAP_LOCK_INIT(pmap) mtx_init(&(pmap)->pm_mtx, "pmap", \ + NULL, MTX_DEF) +#define PMAP_LOCKED(pmap) mtx_owned(&(pmap)->pm_mtx) +#define PMAP_MTX(pmap) (&(pmap)->pm_mtx) +#define PMAP_TRYLOCK(pmap) mtx_trylock(&(pmap)->pm_mtx) +#define PMAP_UNLOCK(pmap) mtx_unlock(&(pmap)->pm_mtx) + void pmap_bootstrap(vm_offset_t, vm_offset_t); void pmap_kenter(vm_offset_t va, vm_offset_t pa); void pmap_kremove(vm_offset_t); |