diff options
Diffstat (limited to 'sys/kern/subr_smp.c')
| -rw-r--r-- | sys/kern/subr_smp.c | 31 |
1 files changed, 11 insertions, 20 deletions
diff --git a/sys/kern/subr_smp.c b/sys/kern/subr_smp.c index 955a3a1..322f0f1 100644 --- a/sys/kern/subr_smp.c +++ b/sys/kern/subr_smp.c @@ -22,7 +22,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: mp_machdep.c,v 1.32 1997/08/30 01:25:13 smp Exp smp $ + * $Id: mp_machdep.c,v 1.34 1997/08/31 03:05:56 smp Exp smp $ */ #include "opt_smp.h" @@ -1446,16 +1446,18 @@ struct simplelock fast_intr_lock; /* critical region around INTR() routines */ struct simplelock intr_lock; +/* lock regions around the clock hardware */ +struct simplelock clock_lock; + #ifdef SIMPLE_MPINTRLOCK -/* critical region around INTR() routines */ +/* lock regions protected in UP kernel via cli/sti */ struct simplelock mpintr_lock; -struct simplelock clock_lock; #endif -#if 0 -/* lock the com (tty) data structures */ +#ifdef USE_COMLOCK +/* locks com (tty) data/hardware accesses: a FASTINTR() */ struct simplelock com_lock; -#endif +#endif /* USE_COMLOCK */ static void init_locks(void) @@ -1470,27 +1472,16 @@ init_locks(void) isr_lock = FREE_LOCK; #ifdef SIMPLE_MPINTRLOCK - /* lock regions protected in UP kernel via cli/sti */ s_lock_init((struct simplelock*)&mpintr_lock); - s_lock_init((struct simplelock*)&clock_lock); #endif - - /* serializes FAST_INTR() accesses */ + s_lock_init((struct simplelock*)&clock_lock); s_lock_init((struct simplelock*)&fast_intr_lock); - - /* serializes INTR() accesses */ s_lock_init((struct simplelock*)&intr_lock); - - /* locks the IO APIC and apic_imen accesses */ s_lock_init((struct simplelock*)&imen_lock); - - /* locks cpl/cml/cim/ipending accesses */ s_lock_init((struct simplelock*)&cpl_lock); - -#if 0 - /* locks com (tty) data/hardware accesses: a FASTINTR() */ +#ifdef USE_COMLOCK s_lock_init((struct simplelock*)&com_lock); -#endif +#endif /* USE_COMLOCK */ } |
