diff options
| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2012-09-04 17:36:16 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2012-09-26 15:45:09 +0200 |
| commit | 50ab9a9a60fc83b8e8db36b54f365226e2b139ac (patch) | |
| tree | 7b31ad679ac165144824550b2b6f213d48f63203 /arch/s390/kernel/topology.c | |
| parent | fade4dc49101e3b68fb375fd2b00d0ef1f31a36f (diff) | |
| download | lwn-50ab9a9a60fc83b8e8db36b54f365226e2b139ac.tar.gz lwn-50ab9a9a60fc83b8e8db36b54f365226e2b139ac.zip | |
s390/smp,topology: add polarization member to pcpu struct
The cpu polarization member is the only per cpu state that is not part
of the pcpu structure. So add it there and have everything in one place.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/topology.c')
| -rw-r--r-- | arch/s390/kernel/topology.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c index 80ca4ba759f6..30c8533b8d4e 100644 --- a/arch/s390/kernel/topology.c +++ b/arch/s390/kernel/topology.c @@ -45,9 +45,6 @@ static struct mask_info book_info; cpumask_t cpu_book_map[NR_CPUS]; unsigned char cpu_book_id[NR_CPUS]; -/* smp_cpu_state_mutex must be held when accessing this array */ -int cpu_polarization[NR_CPUS]; - static cpumask_t cpu_group_map(struct mask_info *info, unsigned int cpu) { cpumask_t mask; @@ -95,7 +92,7 @@ static struct mask_info *add_cpus_to_mask(struct topology_cpu *tl_cpu, } else { cpu_core_id[lcpu] = core->id; } - cpu_set_polarization(lcpu, tl_cpu->pp); + smp_cpu_set_polarization(lcpu, tl_cpu->pp); } } return core; @@ -202,7 +199,7 @@ static void topology_update_polarization_simple(void) mutex_lock(&smp_cpu_state_mutex); for_each_possible_cpu(cpu) - cpu_set_polarization(cpu, POLARIZATION_HRZ); + smp_cpu_set_polarization(cpu, POLARIZATION_HRZ); mutex_unlock(&smp_cpu_state_mutex); } @@ -232,7 +229,7 @@ int topology_set_cpu_management(int fc) if (rc) return -EBUSY; for_each_possible_cpu(cpu) - cpu_set_polarization(cpu, POLARIZATION_UNKNOWN); + smp_cpu_set_polarization(cpu, POLARIZATION_UNKNOWN); return rc; } @@ -414,7 +411,7 @@ static ssize_t cpu_polarization_show(struct device *dev, ssize_t count; mutex_lock(&smp_cpu_state_mutex); - switch (cpu_read_polarization(cpu)) { + switch (smp_cpu_get_polarization(cpu)) { case POLARIZATION_HRZ: count = sprintf(buf, "horizontal\n"); break; |