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Diffstat (limited to 'arch/powerpc/kernel/sysfs.c')
-rw-r--r--arch/powerpc/kernel/sysfs.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c
index ce035c1905f0..6fdf5ffe8c44 100644
--- a/arch/powerpc/kernel/sysfs.c
+++ b/arch/powerpc/kernel/sysfs.c
@@ -18,6 +18,7 @@
#include <asm/machdep.h>
#include <asm/smp.h>
#include <asm/pmc.h>
+#include <asm/system.h>
#include "cacheinfo.h"
@@ -51,6 +52,7 @@ static ssize_t store_smt_snooze_delay(struct sys_device *dev,
return -EINVAL;
per_cpu(smt_snooze_delay, cpu->sysdev.id) = snooze;
+ update_smt_snooze_delay(snooze);
return count;
}
@@ -177,11 +179,13 @@ SYSFS_PMCSETUP(mmcra, SPRN_MMCRA);
SYSFS_PMCSETUP(purr, SPRN_PURR);
SYSFS_PMCSETUP(spurr, SPRN_SPURR);
SYSFS_PMCSETUP(dscr, SPRN_DSCR);
+SYSFS_PMCSETUP(pir, SPRN_PIR);
static SYSDEV_ATTR(mmcra, 0600, show_mmcra, store_mmcra);
static SYSDEV_ATTR(spurr, 0600, show_spurr, NULL);
static SYSDEV_ATTR(dscr, 0600, show_dscr, store_dscr);
static SYSDEV_ATTR(purr, 0600, show_purr, store_purr);
+static SYSDEV_ATTR(pir, 0400, show_pir, NULL);
unsigned long dscr_default = 0;
EXPORT_SYMBOL(dscr_default);
@@ -392,6 +396,9 @@ static void __cpuinit register_cpu_online(unsigned int cpu)
if (cpu_has_feature(CPU_FTR_DSCR))
sysdev_create_file(s, &attr_dscr);
+
+ if (cpu_has_feature(CPU_FTR_PPCAS_ARCH_V2))
+ sysdev_create_file(s, &attr_pir);
#endif /* CONFIG_PPC64 */
cacheinfo_cpu_online(cpu);
@@ -462,6 +469,9 @@ static void unregister_cpu_online(unsigned int cpu)
if (cpu_has_feature(CPU_FTR_DSCR))
sysdev_remove_file(s, &attr_dscr);
+
+ if (cpu_has_feature(CPU_FTR_PPCAS_ARCH_V2))
+ sysdev_remove_file(s, &attr_pir);
#endif /* CONFIG_PPC64 */
cacheinfo_cpu_offline(cpu);