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Diffstat (limited to 'arch/sparc/kernel/leon_smp.c')
-rw-r--r--arch/sparc/kernel/leon_smp.c70
1 files changed, 16 insertions, 54 deletions
diff --git a/arch/sparc/kernel/leon_smp.c b/arch/sparc/kernel/leon_smp.c
index 0f3fb6d9c8e..018ef11f57d 100644
--- a/arch/sparc/kernel/leon_smp.c
+++ b/arch/sparc/kernel/leon_smp.c
@@ -54,7 +54,7 @@ extern ctxd_t *srmmu_ctx_table_phys;
static int smp_processors_ready;
extern volatile unsigned long cpu_callin_map[NR_CPUS];
extern cpumask_t smp_commenced_mask;
-void __cpuinit leon_configure_cache_smp(void);
+void leon_configure_cache_smp(void);
static void leon_ipi_init(void);
/* IRQ number of LEON IPIs */
@@ -69,31 +69,19 @@ static inline unsigned long do_swap(volatile unsigned long *ptr,
return val;
}
-void __cpuinit leon_callin(void)
+void leon_cpu_pre_starting(void *arg)
{
- int cpuid = hard_smp_processor_id();
-
- local_ops->cache_all();
- local_ops->tlb_all();
leon_configure_cache_smp();
+}
- notify_cpu_starting(cpuid);
-
- /* Get our local ticker going. */
- register_percpu_ce(cpuid);
-
- calibrate_delay();
- smp_store_cpu_info(cpuid);
-
- local_ops->cache_all();
- local_ops->tlb_all();
+void leon_cpu_pre_online(void *arg)
+{
+ int cpuid = hard_smp_processor_id();
- /*
- * Unblock the master CPU _only_ when the scheduler state
- * of all secondary CPUs will be up-to-date, so after
- * the SMP initialization the master will be just allowed
- * to call the scheduler code.
- * Allow master to continue.
+ /* Allow master to continue. The master will then give us the
+ * go-ahead by setting the smp_commenced_mask and will wait without
+ * timeouts until our setup is completed fully (signified by
+ * our bit being set in the cpu_online_mask).
*/
do_swap(&cpu_callin_map[cpuid], 1);
@@ -110,9 +98,6 @@ void __cpuinit leon_callin(void)
while (!cpumask_test_cpu(cpuid, &smp_commenced_mask))
mb();
-
- local_irq_enable();
- set_cpu_online(cpuid, true);
}
/*
@@ -121,7 +106,7 @@ void __cpuinit leon_callin(void)
extern struct linux_prom_registers smp_penguin_ctable;
-void __cpuinit leon_configure_cache_smp(void)
+void leon_configure_cache_smp(void)
{
unsigned long cfg = sparc_leon3_get_dcachecfg();
int me = smp_processor_id();
@@ -145,7 +130,7 @@ void __cpuinit leon_configure_cache_smp(void)
local_ops->tlb_all();
}
-void leon_smp_setbroadcast(unsigned int mask)
+static void leon_smp_setbroadcast(unsigned int mask)
{
int broadcast =
((LEON3_BYPASS_LOAD_PA(&(leon3_irqctrl_regs->mpstatus)) >>
@@ -163,13 +148,6 @@ void leon_smp_setbroadcast(unsigned int mask)
LEON_BYPASS_STORE_PA(&(leon3_irqctrl_regs->mpbroadcast), mask);
}
-unsigned int leon_smp_getbroadcast(void)
-{
- unsigned int mask;
- mask = LEON_BYPASS_LOAD_PA(&(leon3_irqctrl_regs->mpbroadcast));
- return mask;
-}
-
int leon_smp_nrcpus(void)
{
int nrcpu =
@@ -201,7 +179,7 @@ void __init leon_boot_cpus(void)
}
-int __cpuinit leon_boot_one_cpu(int i, struct task_struct *idle)
+int leon_boot_one_cpu(int i, struct task_struct *idle)
{
int timeout;
@@ -268,35 +246,19 @@ void __init leon_smp_done(void)
/* Free unneeded trap tables */
if (!cpu_present(1)) {
- ClearPageReserved(virt_to_page(&trapbase_cpu1));
- init_page_count(virt_to_page(&trapbase_cpu1));
- free_page((unsigned long)&trapbase_cpu1);
- totalram_pages++;
- num_physpages++;
+ free_reserved_page(virt_to_page(&trapbase_cpu1));
}
if (!cpu_present(2)) {
- ClearPageReserved(virt_to_page(&trapbase_cpu2));
- init_page_count(virt_to_page(&trapbase_cpu2));
- free_page((unsigned long)&trapbase_cpu2);
- totalram_pages++;
- num_physpages++;
+ free_reserved_page(virt_to_page(&trapbase_cpu2));
}
if (!cpu_present(3)) {
- ClearPageReserved(virt_to_page(&trapbase_cpu3));
- init_page_count(virt_to_page(&trapbase_cpu3));
- free_page((unsigned long)&trapbase_cpu3);
- totalram_pages++;
- num_physpages++;
+ free_reserved_page(virt_to_page(&trapbase_cpu3));
}
/* Ok, they are spinning and ready to go. */
smp_processors_ready = 1;
}
-void leon_irq_rotate(int cpu)
-{
-}
-
struct leon_ipi_work {
int single;
int msk;