diff options
| author | alc <alc@FreeBSD.org> | 2004-07-19 05:39:49 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2004-07-19 05:39:49 +0000 |
| commit | 15d7825a5f77eea2647e578771fa0533edc0863d (patch) | |
| tree | 40d950a1231402b832f21f630288f0db08b4086f /sys/ia64/include/pmap.h | |
| parent | f05f0023939de87de66a4906915cbab31d5f9dbe (diff) | |
| download | FreeBSD-src-15d7825a5f77eea2647e578771fa0533edc0863d.zip FreeBSD-src-15d7825a5f77eea2647e578771fa0533edc0863d.tar.gz | |
Add partial pmap locking.
Tested by: marcel@
Diffstat (limited to 'sys/ia64/include/pmap.h')
| -rw-r--r-- | sys/ia64/include/pmap.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sys/ia64/include/pmap.h b/sys/ia64/include/pmap.h index af2610e..dbb0b2c 100644 --- a/sys/ia64/include/pmap.h +++ b/sys/ia64/include/pmap.h @@ -46,6 +46,8 @@ #define _MACHINE_PMAP_H_ #include <sys/queue.h> +#include <sys/_lock.h> +#include <sys/_mutex.h> #include <machine/pte.h> #ifdef _KERNEL @@ -70,6 +72,7 @@ struct md_page { }; struct pmap { + struct mtx pm_mtx; TAILQ_HEAD(,pv_entry) pm_pvlist; /* list of mappings in pmap */ u_int32_t pm_rid[5]; /* base RID for pmap */ int pm_active; /* active flag */ @@ -81,6 +84,17 @@ typedef struct pmap *pmap_t; #ifdef _KERNEL extern struct pmap kernel_pmap_store; #define kernel_pmap (&kernel_pmap_store) + +#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) #endif /* |
