diff options
| author | alc <alc@FreeBSD.org> | 2004-06-14 01:17:50 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2004-06-14 01:17:50 +0000 |
| commit | c14fd5dbce7b67cd87c491642ab2097ab29c6600 (patch) | |
| tree | 92b9e85feb70d669a945dd28af2333a1cf798bf9 /sys/amd64/include | |
| parent | 18012715d9ac5f89577809482ccd8da4ed835483 (diff) | |
| download | FreeBSD-src-c14fd5dbce7b67cd87c491642ab2097ab29c6600.zip FreeBSD-src-c14fd5dbce7b67cd87c491642ab2097ab29c6600.tar.gz | |
Introduce pmap locking to many of the pmap functions. There is more to
come later.
Diffstat (limited to 'sys/amd64/include')
| -rw-r--r-- | sys/amd64/include/pmap.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sys/amd64/include/pmap.h b/sys/amd64/include/pmap.h index 2829d06..9a9386d 100644 --- a/sys/amd64/include/pmap.h +++ b/sys/amd64/include/pmap.h @@ -129,6 +129,8 @@ #ifndef LOCORE +#include <sys/_lock.h> +#include <sys/_mutex.h> #include <sys/queue.h> typedef u_int64_t pd_entry_t; @@ -218,6 +220,7 @@ struct md_page { }; struct pmap { + struct mtx pm_mtx; pml4_entry_t *pm_pml4; /* KVA of level 4 page table */ TAILQ_HEAD(,pv_entry) pm_pvlist; /* list of mappings in pmap */ u_int pm_active; /* active on cpus */ @@ -231,6 +234,17 @@ 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 /* |
