summaryrefslogtreecommitdiffstats
path: root/arch/s390/kernel/smp.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/s390/kernel/smp.c')
-rw-r--r--arch/s390/kernel/smp.c31
1 files changed, 15 insertions, 16 deletions
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 63c7d9ff220..52420d2785b 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -44,7 +44,6 @@
#include <asm/sigp.h>
#include <asm/pgalloc.h>
#include <asm/irq.h>
-#include <asm/s390_ext.h>
#include <asm/cpcmd.h>
#include <asm/tlbflush.h>
#include <asm/timer.h>
@@ -335,7 +334,7 @@ static int smp_rescan_cpus_sigp(cpumask_t avail)
smp_cpu_polarization[logical_cpu] = POLARIZATION_UNKNWN;
if (!cpu_stopped(logical_cpu))
continue;
- cpu_set(logical_cpu, cpu_present_map);
+ set_cpu_present(logical_cpu, true);
smp_cpu_state[logical_cpu] = CPU_STATE_CONFIGURED;
logical_cpu = cpumask_next(logical_cpu, &avail);
if (logical_cpu >= nr_cpu_ids)
@@ -367,7 +366,7 @@ static int smp_rescan_cpus_sclp(cpumask_t avail)
continue;
__cpu_logical_map[logical_cpu] = cpu_id;
smp_cpu_polarization[logical_cpu] = POLARIZATION_UNKNWN;
- cpu_set(logical_cpu, cpu_present_map);
+ set_cpu_present(logical_cpu, true);
if (cpu >= info->configured)
smp_cpu_state[logical_cpu] = CPU_STATE_STANDBY;
else
@@ -385,7 +384,7 @@ static int __smp_rescan_cpus(void)
{
cpumask_t avail;
- cpus_xor(avail, cpu_possible_map, cpu_present_map);
+ cpumask_xor(&avail, cpu_possible_mask, cpu_present_mask);
if (smp_use_sigp_detection)
return smp_rescan_cpus_sigp(avail);
else
@@ -467,7 +466,7 @@ int __cpuinit start_secondary(void *cpuvoid)
notify_cpu_starting(smp_processor_id());
/* Mark this cpu as online */
ipi_call_lock();
- cpu_set(smp_processor_id(), cpu_online_map);
+ set_cpu_online(smp_processor_id(), true);
ipi_call_unlock();
/* Switch on interrupts */
local_irq_enable();
@@ -644,7 +643,7 @@ int __cpu_disable(void)
struct ec_creg_mask_parms cr_parms;
int cpu = smp_processor_id();
- cpu_clear(cpu, cpu_online_map);
+ set_cpu_online(cpu, false);
/* Disable pfault pseudo page faults on this cpu. */
pfault_fini();
@@ -654,8 +653,8 @@ int __cpu_disable(void)
/* disable all external interrupts */
cr_parms.orvals[0] = 0;
- cr_parms.andvals[0] = ~(1 << 15 | 1 << 14 | 1 << 13 | 1 << 12 |
- 1 << 11 | 1 << 10 | 1 << 6 | 1 << 4);
+ cr_parms.andvals[0] = ~(1 << 15 | 1 << 14 | 1 << 13 | 1 << 11 |
+ 1 << 10 | 1 << 9 | 1 << 6 | 1 << 4);
/* disable all I/O interrupts */
cr_parms.orvals[6] = 0;
cr_parms.andvals[6] = ~(1 << 31 | 1 << 30 | 1 << 29 | 1 << 28 |
@@ -681,7 +680,7 @@ void __cpu_die(unsigned int cpu)
atomic_dec(&init_mm.context.attach_count);
}
-void cpu_die(void)
+void __noreturn cpu_die(void)
{
idle_task_exit();
while (sigp(smp_processor_id(), sigp_stop) == sigp_busy)
@@ -738,8 +737,8 @@ void __init smp_prepare_boot_cpu(void)
BUG_ON(smp_processor_id() != 0);
current_thread_info()->cpu = 0;
- cpu_set(0, cpu_present_map);
- cpu_set(0, cpu_online_map);
+ set_cpu_present(0, true);
+ set_cpu_online(0, true);
S390_lowcore.percpu_offset = __per_cpu_offset[0];
current_set[0] = current;
smp_cpu_state[0] = CPU_STATE_CONFIGURED;
@@ -1016,21 +1015,21 @@ int __ref smp_rescan_cpus(void)
get_online_cpus();
mutex_lock(&smp_cpu_state_mutex);
- newcpus = cpu_present_map;
+ cpumask_copy(&newcpus, cpu_present_mask);
rc = __smp_rescan_cpus();
if (rc)
goto out;
- cpus_andnot(newcpus, cpu_present_map, newcpus);
- for_each_cpu_mask(cpu, newcpus) {
+ cpumask_andnot(&newcpus, cpu_present_mask, &newcpus);
+ for_each_cpu(cpu, &newcpus) {
rc = smp_add_present_cpu(cpu);
if (rc)
- cpu_clear(cpu, cpu_present_map);
+ set_cpu_present(cpu, false);
}
rc = 0;
out:
mutex_unlock(&smp_cpu_state_mutex);
put_online_cpus();
- if (!cpus_empty(newcpus))
+ if (!cpumask_empty(&newcpus))
topology_schedule_update();
return rc;
}