diff options
Diffstat (limited to 'sys/kern/subr_smp.c')
| -rw-r--r-- | sys/kern/subr_smp.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/sys/kern/subr_smp.c b/sys/kern/subr_smp.c index a4a642399208..d5ea71cddf24 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 1.45 1997/08/25 21:28:08 bde Exp $ + * $Id: mp_machdep.c,v 1.46 1997/08/26 18:10:31 peter Exp $ */ #include "opt_smp.h" @@ -251,6 +251,8 @@ extern pt_entry_t SMP_prvpt[]; /* Private page pointer to curcpu's PTD, used during BSP init */ extern pd_entry_t *my_idlePTD; +static int smp_started; /* has the system started? */ + /* * Local data and functions. */ @@ -1798,7 +1800,7 @@ void smp_invltlb(void) { #if defined(APIC_IO) - if (smp_active && invltlb_ok) + if (smp_started && invltlb_ok) all_but_self_ipi(XINVLTLB_OFFSET); #endif /* APIC_IO */ } @@ -1848,7 +1850,7 @@ invltlb(void) int stop_cpus(u_int map) { - if (!smp_active) + if (!smp_started) return 0; /* send IPI to all CPUs in map */ @@ -1880,7 +1882,7 @@ stop_cpus(u_int map) int restart_cpus(u_int map) { - if (!smp_active) + if (!smp_started) return 0; started_cpus = map; /* signal other cpus to restart */ @@ -1946,6 +1948,7 @@ ap_init() * to accept TLB flush IPI's or something and sync them. */ invltlb_ok = 1; + smp_started = 1; /* enable IPI's, tlb shootdown, freezes etc */ smp_active = 1; /* historic */ curproc = NULL; /* make sure */ |