diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/include/asm/topology.h | 10 | ||||
| -rw-r--r-- | arch/powerpc/kernel/rtas.c | 3 |
2 files changed, 13 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h index afe4aaa65c3..aed188bd70d 100644 --- a/arch/powerpc/include/asm/topology.h +++ b/arch/powerpc/include/asm/topology.h @@ -93,6 +93,8 @@ extern void __init dump_numa_cpu_topology(void); extern int sysfs_add_device_to_node(struct sys_device *dev, int nid); extern void sysfs_remove_device_from_node(struct sys_device *dev, int nid); +extern int start_topology_update(void); +extern int stop_topology_update(void); #else static inline void dump_numa_cpu_topology(void) {} @@ -107,6 +109,14 @@ static inline void sysfs_remove_device_from_node(struct sys_device *dev, { } +static inline int start_topology_update(void) +{ + return 0; +} +static inline int stop_topology_update(void) +{ + return 0; +} #endif /* CONFIG_NUMA */ #include <asm-generic/topology.h> diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c index 8fe8bc61c10..2097f2b3cba 100644 --- a/arch/powerpc/kernel/rtas.c +++ b/arch/powerpc/kernel/rtas.c @@ -41,6 +41,7 @@ #include <asm/atomic.h> #include <asm/time.h> #include <asm/mmu.h> +#include <asm/topology.h> struct rtas_t rtas = { .lock = __ARCH_SPIN_LOCK_UNLOCKED @@ -713,6 +714,7 @@ static int __rtas_suspend_last_cpu(struct rtas_suspend_me_data *data, int wake_w int cpu; slb_set_size(SLB_MIN_SIZE); + stop_topology_update(); printk(KERN_DEBUG "calling ibm,suspend-me on cpu %i\n", smp_processor_id()); while (rc == H_MULTI_THREADS_ACTIVE && !atomic_read(&data->done) && @@ -728,6 +730,7 @@ static int __rtas_suspend_last_cpu(struct rtas_suspend_me_data *data, int wake_w rc = atomic_read(&data->error); atomic_set(&data->error, rc); + start_topology_update(); if (wake_when_done) { atomic_set(&data->done, 1); |