diff options
Diffstat (limited to 'arch/powerpc/kernel/irq.c')
| -rw-r--r-- | arch/powerpc/kernel/irq.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 2f73f705d56..b5199752ac6 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -356,9 +356,42 @@ void __init init_IRQ(void) { if (ppc_md.init_IRQ) ppc_md.init_IRQ(); + + exc_lvl_ctx_init(); + irq_ctx_init(); } +#if defined(CONFIG_BOOKE) || defined(CONFIG_40x) +struct thread_info *critirq_ctx[NR_CPUS] __read_mostly; +struct thread_info *dbgirq_ctx[NR_CPUS] __read_mostly; +struct thread_info *mcheckirq_ctx[NR_CPUS] __read_mostly; + +void exc_lvl_ctx_init(void) +{ + struct thread_info *tp; + int i; + + for_each_possible_cpu(i) { + memset((void *)critirq_ctx[i], 0, THREAD_SIZE); + tp = critirq_ctx[i]; + tp->cpu = i; + tp->preempt_count = 0; + +#ifdef CONFIG_BOOKE + memset((void *)dbgirq_ctx[i], 0, THREAD_SIZE); + tp = dbgirq_ctx[i]; + tp->cpu = i; + tp->preempt_count = 0; + + memset((void *)mcheckirq_ctx[i], 0, THREAD_SIZE); + tp = mcheckirq_ctx[i]; + tp->cpu = i; + tp->preempt_count = HARDIRQ_OFFSET; +#endif + } +} +#endif #ifdef CONFIG_IRQSTACKS struct thread_info *softirq_ctx[NR_CPUS] __read_mostly; |