diff options
| -rw-r--r-- | sys/amd64/amd64/pmap.c | 4 | ||||
| -rw-r--r-- | sys/i386/i386/pmap.c | 3 |
2 files changed, 4 insertions, 3 deletions
diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c index d332045..6526987 100644 --- a/sys/amd64/amd64/pmap.c +++ b/sys/amd64/amd64/pmap.c @@ -2200,10 +2200,10 @@ pmap_change_wiring(pmap, va, wired) pte = pmap_pte(pmap, va); if (wired && (*pte & PG_W) == 0) { pmap->pm_stats.wired_count++; - *pte |= PG_W; + atomic_set_long(pte, PG_W); } else if (!wired && (*pte & PG_W) != 0) { pmap->pm_stats.wired_count--; - *pte &= ~PG_W; + atomic_clear_long(pte, PG_W); } } diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c index 375cfad..32f3b07 100644 --- a/sys/i386/i386/pmap.c +++ b/sys/i386/i386/pmap.c @@ -178,7 +178,8 @@ __FBSDID("$FreeBSD$"); #define pmap_pte_u(pte) ((*(int *)pte & PG_A) != 0) #define pmap_pte_v(pte) ((*(int *)pte & PG_V) != 0) -#define pmap_pte_set_w(pte, v) ((v)?(*(int *)pte |= PG_W):(*(int *)pte &= ~PG_W)) +#define pmap_pte_set_w(pte, v) ((v) ? atomic_set_int((u_int *)(pte), PG_W) : \ + atomic_clear_int((u_int *)(pte), PG_W)) #define pmap_pte_set_prot(pte, v) ((*(int *)pte &= ~PG_PROT), (*(int *)pte |= (v))) struct pmap kernel_pmap_store; |
