aboutsummaryrefslogtreecommitdiff
path: root/arch/s390/kernel/topology.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/s390/kernel/topology.c')
-rw-r--r--arch/s390/kernel/topology.c29
1 files changed, 15 insertions, 14 deletions
diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
index 813e5da9a973..4f9c301a705b 100644
--- a/arch/s390/kernel/topology.c
+++ b/arch/s390/kernel/topology.c
@@ -26,6 +26,7 @@
#include <linux/node.h>
#include <asm/hiperdispatch.h>
#include <asm/sysinfo.h>
+#include <asm/asm.h>
#define PTF_HORIZONTAL (0UL)
#define PTF_VERTICAL (1UL)
@@ -224,15 +225,15 @@ static void topology_update_polarization_simple(void)
static int ptf(unsigned long fc)
{
- int rc;
+ int cc;
asm volatile(
- " .insn rre,0xb9a20000,%1,%1\n"
- " ipm %0\n"
- " srl %0,28\n"
- : "=d" (rc)
- : "d" (fc) : "cc");
- return rc;
+ " .insn rre,0xb9a20000,%[fc],%[fc]\n"
+ CC_IPM(cc)
+ : CC_OUT(cc, cc)
+ : [fc] "d" (fc)
+ : CC_CLOBBER);
+ return CC_TRANSFORM(cc);
}
int topology_set_cpu_management(int fc)
@@ -412,7 +413,7 @@ static ssize_t dispatching_show(struct device *dev,
ssize_t count;
mutex_lock(&smp_cpu_state_mutex);
- count = sprintf(buf, "%d\n", cpu_management);
+ count = sysfs_emit(buf, "%d\n", cpu_management);
mutex_unlock(&smp_cpu_state_mutex);
return count;
}
@@ -443,19 +444,19 @@ static ssize_t cpu_polarization_show(struct device *dev,
mutex_lock(&smp_cpu_state_mutex);
switch (smp_cpu_get_polarization(cpu)) {
case POLARIZATION_HRZ:
- count = sprintf(buf, "horizontal\n");
+ count = sysfs_emit(buf, "horizontal\n");
break;
case POLARIZATION_VL:
- count = sprintf(buf, "vertical:low\n");
+ count = sysfs_emit(buf, "vertical:low\n");
break;
case POLARIZATION_VM:
- count = sprintf(buf, "vertical:medium\n");
+ count = sysfs_emit(buf, "vertical:medium\n");
break;
case POLARIZATION_VH:
- count = sprintf(buf, "vertical:high\n");
+ count = sysfs_emit(buf, "vertical:high\n");
break;
default:
- count = sprintf(buf, "unknown\n");
+ count = sysfs_emit(buf, "unknown\n");
break;
}
mutex_unlock(&smp_cpu_state_mutex);
@@ -479,7 +480,7 @@ static ssize_t cpu_dedicated_show(struct device *dev,
ssize_t count;
mutex_lock(&smp_cpu_state_mutex);
- count = sprintf(buf, "%d\n", topology_cpu_dedicated(cpu));
+ count = sysfs_emit(buf, "%d\n", topology_cpu_dedicated(cpu));
mutex_unlock(&smp_cpu_state_mutex);
return count;
}