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Diffstat (limited to 'arch/blackfin/mach-common/smp.c')
-rw-r--r--arch/blackfin/mach-common/smp.c31
1 files changed, 18 insertions, 13 deletions
diff --git a/arch/blackfin/mach-common/smp.c b/arch/blackfin/mach-common/smp.c
index 8bce5ed031e..35e7e1eb018 100644
--- a/arch/blackfin/mach-common/smp.c
+++ b/arch/blackfin/mach-common/smp.c
@@ -25,6 +25,7 @@
#include <linux/slab.h>
#include <asm/atomic.h>
#include <asm/cacheflush.h>
+#include <asm/irq_handler.h>
#include <asm/mmu_context.h>
#include <asm/pgtable.h>
#include <asm/pgalloc.h>
@@ -96,7 +97,7 @@ static void ipi_cpu_stop(unsigned int cpu)
dump_stack();
spin_unlock(&stop_lock);
- cpu_clear(cpu, cpu_online_map);
+ set_cpu_online(cpu, false);
local_irq_disable();
@@ -146,7 +147,7 @@ static void ipi_call_function(unsigned int cpu, struct ipi_message *msg)
*/
resync_core_dcache();
#endif
- cpu_clear(cpu, *msg->call_struct.waitmask);
+ cpumask_clear_cpu(cpu, msg->call_struct.waitmask);
}
}
@@ -177,6 +178,9 @@ static irqreturn_t ipi_handler_int1(int irq, void *dev_instance)
while (msg_queue->count) {
msg = &msg_queue->ipi_message[msg_queue->head];
switch (msg->type) {
+ case BFIN_IPI_RESCHEDULE:
+ scheduler_ipi();
+ break;
case BFIN_IPI_CALL_FUNC:
spin_unlock_irqrestore(&msg_queue->lock, flags);
ipi_call_function(cpu, msg);
@@ -219,9 +223,10 @@ static inline void smp_send_message(cpumask_t callmap, unsigned long type,
struct ipi_message_queue *msg_queue;
struct ipi_message *msg;
unsigned long flags, next_msg;
- cpumask_t waitmask = callmap; /* waitmask is shared by all cpus */
+ cpumask_t waitmask; /* waitmask is shared by all cpus */
- for_each_cpu_mask(cpu, callmap) {
+ cpumask_copy(&waitmask, &callmap);
+ for_each_cpu(cpu, &callmap) {
msg_queue = &per_cpu(ipi_msg_queue, cpu);
spin_lock_irqsave(&msg_queue->lock, flags);
if (msg_queue->count < BFIN_IPI_MSGQ_LEN) {
@@ -243,7 +248,7 @@ static inline void smp_send_message(cpumask_t callmap, unsigned long type,
}
if (wait) {
- while (!cpus_empty(waitmask))
+ while (!cpumask_empty(&waitmask))
blackfin_dcache_invalidate_range(
(unsigned long)(&waitmask),
(unsigned long)(&waitmask));
@@ -262,9 +267,9 @@ int smp_call_function(void (*func)(void *info), void *info, int wait)
cpumask_t callmap;
preempt_disable();
- callmap = cpu_online_map;
- cpu_clear(smp_processor_id(), callmap);
- if (!cpus_empty(callmap))
+ cpumask_copy(&callmap, cpu_online_mask);
+ cpumask_clear_cpu(smp_processor_id(), &callmap);
+ if (!cpumask_empty(&callmap))
smp_send_message(callmap, BFIN_IPI_CALL_FUNC, func, info, wait);
preempt_enable();
@@ -281,8 +286,8 @@ int smp_call_function_single(int cpuid, void (*func) (void *info), void *info,
if (cpu_is_offline(cpu))
return 0;
- cpus_clear(callmap);
- cpu_set(cpu, callmap);
+ cpumask_clear(&callmap);
+ cpumask_set_cpu(cpu, &callmap);
smp_send_message(callmap, BFIN_IPI_CALL_FUNC, func, info, wait);
@@ -305,9 +310,9 @@ void smp_send_stop(void)
cpumask_t callmap;
preempt_disable();
- callmap = cpu_online_map;
- cpu_clear(smp_processor_id(), callmap);
- if (!cpus_empty(callmap))
+ cpumask_copy(&callmap, cpu_online_mask);
+ cpumask_clear_cpu(smp_processor_id(), &callmap);
+ if (!cpumask_empty(&callmap))
smp_send_message(callmap, BFIN_IPI_CPU_STOP, NULL, NULL, 0);
preempt_enable();