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Diffstat (limited to 'arch/powerpc/platforms/pseries/hotplug-cpu.c')
-rw-r--r--arch/powerpc/platforms/pseries/hotplug-cpu.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index fc48b96c81b..c4ad54e0f28 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -29,6 +29,7 @@
#include <asm/vdso_datapage.h>
#include <asm/pSeries_reconfig.h>
#include "xics.h"
+#include "plpar_wrappers.h"
/* This version can't take the spinlock, because it never returns */
static struct rtas_args rtas_stop_self_args = {
@@ -58,6 +59,7 @@ static void pseries_mach_cpu_die(void)
local_irq_disable();
idle_task_exit();
xics_teardown_cpu(0);
+ unregister_slb_shadow(hard_smp_processor_id(), __pa(get_slb_shadow()));
rtas_stop_self();
/* Should never get here... */
BUG();
@@ -151,7 +153,7 @@ static int pseries_add_processor(struct device_node *np)
for (i = 0; i < nthreads; i++)
cpu_set(i, tmp);
- lock_cpu_hotplug();
+ cpu_maps_update_begin();
BUG_ON(!cpus_subset(cpu_present_map, cpu_possible_map));
@@ -188,7 +190,7 @@ static int pseries_add_processor(struct device_node *np)
}
err = 0;
out_unlock:
- unlock_cpu_hotplug();
+ cpu_maps_update_done();
return err;
}
@@ -209,7 +211,7 @@ static void pseries_remove_processor(struct device_node *np)
nthreads = len / sizeof(u32);
- lock_cpu_hotplug();
+ cpu_maps_update_begin();
for (i = 0; i < nthreads; i++) {
for_each_present_cpu(cpu) {
if (get_hard_smp_processor_id(cpu) != intserv[i])
@@ -223,7 +225,7 @@ static void pseries_remove_processor(struct device_node *np)
printk(KERN_WARNING "Could not find cpu to remove "
"with physical id 0x%x\n", intserv[i]);
}
- unlock_cpu_hotplug();
+ cpu_maps_update_done();
}
static int pseries_smp_notifier(struct notifier_block *nb,