diff options
| author | Attilio Rao <attilio@FreeBSD.org> | 2010-08-11 10:51:27 +0000 |
|---|---|---|
| committer | Attilio Rao <attilio@FreeBSD.org> | 2010-08-11 10:51:27 +0000 |
| commit | 807ef45666b6efa0f68009d044db82faff4692f5 (patch) | |
| tree | 0dc25afb56094976f7325aea2ae24d0971fcf420 /sys/amd64 | |
| parent | ee1cd8fe2af40c8250e22d540811e5eff8f53b6b (diff) | |
Notes
Diffstat (limited to 'sys/amd64')
| -rw-r--r-- | sys/amd64/amd64/mp_machdep.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/sys/amd64/amd64/mp_machdep.c b/sys/amd64/amd64/mp_machdep.c index 57daf74b5be1..46ad2899ee3b 100644 --- a/sys/amd64/amd64/mp_machdep.c +++ b/sys/amd64/amd64/mp_machdep.c @@ -1324,8 +1324,10 @@ cpustop_handler(void) cpumask_t cpumask; u_int cpu; + sched_pin(); cpu = PCPU_GET(cpuid); cpumask = PCPU_GET(cpumask); + sched_unpin(); savectx(&stoppcbs[cpu]); @@ -1356,8 +1358,10 @@ cpususpend_handler(void) register_t cr3, rf; u_int cpu; + sched_pin(); cpu = PCPU_GET(cpuid); cpumask = PCPU_GET(cpumask); + sched_unpin(); rf = intr_disable(); cr3 = rcr3(); @@ -1535,10 +1539,14 @@ mp_grab_cpu_hlt(void) #endif int retval; - mask = PCPU_GET(cpumask); #ifdef MP_WATCHDOG + sched_pin(); + mask = PCPU_GET(cpumask); cpuid = PCPU_GET(cpuid); + sched_unpin(); ap_watchdog(cpuid); +#else + mask = PCPU_GET(cpumask); #endif retval = mask & hlt_cpus_mask; |