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Diffstat (limited to 'arch/mips/sibyte/sb1250/smp.c')
-rw-r--r--arch/mips/sibyte/sb1250/smp.c38
1 files changed, 15 insertions, 23 deletions
diff --git a/arch/mips/sibyte/sb1250/smp.c b/arch/mips/sibyte/sb1250/smp.c
index 5950a288a7d..c0c4b3f88a0 100644
--- a/arch/mips/sibyte/sb1250/smp.c
+++ b/arch/mips/sibyte/sb1250/smp.c
@@ -21,6 +21,7 @@
#include <linux/interrupt.h>
#include <linux/smp.h>
#include <linux/kernel_stat.h>
+#include <linux/sched.h>
#include <asm/mmu_context.h>
#include <asm/io.h>
@@ -47,7 +48,7 @@ static void *mailbox_regs[] = {
/*
* SMP init and finish on secondary CPUs
*/
-void __cpuinit sb1250_smp_init(void)
+void sb1250_smp_init(void)
{
unsigned int imask = STATUSF_IP4 | STATUSF_IP3 | STATUSF_IP2 |
STATUSF_IP1 | STATUSF_IP0;
@@ -70,18 +71,19 @@ static void sb1250_send_ipi_single(int cpu, unsigned int action)
__raw_writeq((((u64)action) << 48), mailbox_set_regs[cpu]);
}
-static inline void sb1250_send_ipi_mask(cpumask_t mask, unsigned int action)
+static inline void sb1250_send_ipi_mask(const struct cpumask *mask,
+ unsigned int action)
{
unsigned int i;
- for_each_cpu_mask(i, mask)
+ for_each_cpu(i, mask)
sb1250_send_ipi_single(i, action);
}
/*
* Code to run on secondary just after probing the CPU
*/
-static void __cpuinit sb1250_init_secondary(void)
+static void sb1250_init_secondary(void)
{
extern void sb1250_smp_init(void);
@@ -92,7 +94,7 @@ static void __cpuinit sb1250_init_secondary(void)
* Do any tidying up before marking online and running the idle
* loop
*/
-static void __cpuinit sb1250_smp_finish(void)
+static void sb1250_smp_finish(void)
{
extern void sb1250_clockevent_init(void);
@@ -101,17 +103,10 @@ static void __cpuinit sb1250_smp_finish(void)
}
/*
- * Final cleanup after all secondaries booted
- */
-static void sb1250_cpus_done(void)
-{
-}
-
-/*
* Setup the PC, SP, and GP of a secondary processor and start it
* running!
*/
-static void __cpuinit sb1250_boot_secondary(int cpu, struct task_struct *idle)
+static void sb1250_boot_secondary(int cpu, struct task_struct *idle)
{
int retval;
@@ -124,7 +119,7 @@ static void __cpuinit sb1250_boot_secondary(int cpu, struct task_struct *idle)
/*
* Use CFE to find out how many CPUs are available, setting up
- * cpu_possible_map and the logical/physical mappings.
+ * cpu_possible_mask and the logical/physical mappings.
* XXXKW will the boot CPU ever not be physical 0?
*
* Common setup before any secondaries are started
@@ -133,14 +128,13 @@ static void __init sb1250_smp_setup(void)
{
int i, num;
- cpus_clear(cpu_possible_map);
- cpu_set(0, cpu_possible_map);
+ init_cpu_possible(cpumask_of(0));
__cpu_number_map[0] = 0;
__cpu_logical_map[0] = 0;
for (i = 1, num = 0; i < NR_CPUS; i++) {
if (cfe_cpu_stop(i) == 0) {
- cpu_set(i, cpu_possible_map);
+ set_cpu_possible(i, true);
__cpu_number_map[i] = ++num;
__cpu_logical_map[num] = i;
}
@@ -157,7 +151,6 @@ struct plat_smp_ops sb_smp_ops = {
.send_ipi_mask = sb1250_send_ipi_mask,
.init_secondary = sb1250_init_secondary,
.smp_finish = sb1250_smp_finish,
- .cpus_done = sb1250_cpus_done,
.boot_secondary = sb1250_boot_secondary,
.smp_setup = sb1250_smp_setup,
.prepare_cpus = sb1250_prepare_cpus,
@@ -166,19 +159,18 @@ struct plat_smp_ops sb_smp_ops = {
void sb1250_mailbox_interrupt(void)
{
int cpu = smp_processor_id();
+ int irq = K_INT_MBOX_0;
unsigned int action;
- kstat_this_cpu.irqs[K_INT_MBOX_0]++;
+ kstat_incr_irq_this_cpu(irq);
/* Load the mailbox register to figure out what we're supposed to do */
action = (____raw_readq(mailbox_regs[cpu]) >> 48) & 0xffff;
/* Clear the mailbox to clear the interrupt */
____raw_writeq(((u64)action) << 48, mailbox_clear_regs[cpu]);
- /*
- * Nothing to do for SMP_RESCHEDULE_YOURSELF; returning from the
- * interrupt will do the reschedule for us
- */
+ if (action & SMP_RESCHEDULE_YOURSELF)
+ scheduler_ipi();
if (action & SMP_CALL_FUNCTION)
smp_call_function_interrupt();