diff options
Diffstat (limited to 'arch/sparc64/kernel/irq.c')
-rw-r--r-- | arch/sparc64/kernel/irq.c | 74 |
1 files changed, 24 insertions, 50 deletions
diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c index db31bf6b42d..384abf410cf 100644 --- a/arch/sparc64/kernel/irq.c +++ b/arch/sparc64/kernel/irq.c @@ -929,7 +929,7 @@ static void __cpuinit register_one_mondo(unsigned long paddr, unsigned long type } } -static void __cpuinit sun4v_register_mondo_queues(int this_cpu) +void __cpuinit sun4v_register_mondo_queues(int this_cpu) { struct trap_per_cpu *tb = &trap_block[this_cpu]; @@ -943,20 +943,10 @@ static void __cpuinit sun4v_register_mondo_queues(int this_cpu) tb->nonresum_qmask); } -static void __cpuinit alloc_one_mondo(unsigned long *pa_ptr, unsigned long qmask, int use_bootmem) +static void __init alloc_one_mondo(unsigned long *pa_ptr, unsigned long qmask) { unsigned long size = PAGE_ALIGN(qmask + 1); - unsigned long order = get_order(size); - void *p = NULL; - - if (use_bootmem) { - p = __alloc_bootmem_low(size, size, 0); - } else { - struct page *page = alloc_pages(GFP_ATOMIC | __GFP_ZERO, order); - if (page) - p = page_address(page); - } - + void *p = __alloc_bootmem_low(size, size, 0); if (!p) { prom_printf("SUN4V: Error, cannot allocate mondo queue.\n"); prom_halt(); @@ -965,19 +955,10 @@ static void __cpuinit alloc_one_mondo(unsigned long *pa_ptr, unsigned long qmask *pa_ptr = __pa(p); } -static void __cpuinit alloc_one_kbuf(unsigned long *pa_ptr, unsigned long qmask, int use_bootmem) +static void __init alloc_one_kbuf(unsigned long *pa_ptr, unsigned long qmask) { unsigned long size = PAGE_ALIGN(qmask + 1); - unsigned long order = get_order(size); - void *p = NULL; - - if (use_bootmem) { - p = __alloc_bootmem_low(size, size, 0); - } else { - struct page *page = alloc_pages(GFP_ATOMIC | __GFP_ZERO, order); - if (page) - p = page_address(page); - } + void *p = __alloc_bootmem_low(size, size, 0); if (!p) { prom_printf("SUN4V: Error, cannot allocate kbuf page.\n"); @@ -987,18 +968,14 @@ static void __cpuinit alloc_one_kbuf(unsigned long *pa_ptr, unsigned long qmask, *pa_ptr = __pa(p); } -static void __cpuinit init_cpu_send_mondo_info(struct trap_per_cpu *tb, int use_bootmem) +static void __init init_cpu_send_mondo_info(struct trap_per_cpu *tb) { #ifdef CONFIG_SMP void *page; BUILD_BUG_ON((NR_CPUS * sizeof(u16)) > (PAGE_SIZE - 64)); - if (use_bootmem) - page = alloc_bootmem_low_pages(PAGE_SIZE); - else - page = (void *) get_zeroed_page(GFP_ATOMIC); - + page = alloc_bootmem_low_pages(PAGE_SIZE); if (!page) { prom_printf("SUN4V: Error, cannot allocate cpu mondo page.\n"); prom_halt(); @@ -1009,30 +986,27 @@ static void __cpuinit init_cpu_send_mondo_info(struct trap_per_cpu *tb, int use_ #endif } -/* Allocate and register the mondo and error queues for this cpu. */ -void __cpuinit sun4v_init_mondo_queues(int use_bootmem, int cpu, int alloc, int load) +/* Allocate mondo and error queues for all possible cpus. */ +static void __init sun4v_init_mondo_queues(void) { - struct trap_per_cpu *tb = &trap_block[cpu]; + int cpu; - if (alloc) { - alloc_one_mondo(&tb->cpu_mondo_pa, tb->cpu_mondo_qmask, use_bootmem); - alloc_one_mondo(&tb->dev_mondo_pa, tb->dev_mondo_qmask, use_bootmem); - alloc_one_mondo(&tb->resum_mondo_pa, tb->resum_qmask, use_bootmem); - alloc_one_kbuf(&tb->resum_kernel_buf_pa, tb->resum_qmask, use_bootmem); - alloc_one_mondo(&tb->nonresum_mondo_pa, tb->nonresum_qmask, use_bootmem); - alloc_one_kbuf(&tb->nonresum_kernel_buf_pa, tb->nonresum_qmask, use_bootmem); + for_each_possible_cpu(cpu) { + struct trap_per_cpu *tb = &trap_block[cpu]; - init_cpu_send_mondo_info(tb, use_bootmem); - } + alloc_one_mondo(&tb->cpu_mondo_pa, tb->cpu_mondo_qmask); + alloc_one_mondo(&tb->dev_mondo_pa, tb->dev_mondo_qmask); + alloc_one_mondo(&tb->resum_mondo_pa, tb->resum_qmask); + alloc_one_kbuf(&tb->resum_kernel_buf_pa, tb->resum_qmask); + alloc_one_mondo(&tb->nonresum_mondo_pa, tb->nonresum_qmask); + alloc_one_kbuf(&tb->nonresum_kernel_buf_pa, + tb->nonresum_qmask); - if (load) { - if (cpu != hard_smp_processor_id()) { - prom_printf("SUN4V: init mondo on cpu %d not %d\n", - cpu, hard_smp_processor_id()); - prom_halt(); - } - sun4v_register_mondo_queues(cpu); + init_cpu_send_mondo_info(tb); } + + /* Load up the boot cpu's entries. */ + sun4v_register_mondo_queues(hard_smp_processor_id()); } static struct irqaction timer_irq_action = { @@ -1047,7 +1021,7 @@ void __init init_IRQ(void) memset(&ivector_table[0], 0, sizeof(ivector_table)); if (tlb_type == hypervisor) - sun4v_init_mondo_queues(1, hard_smp_processor_id(), 1, 1); + sun4v_init_mondo_queues(); /* We need to clear any IRQ's pending in the soft interrupt * registers, a spurious one could be left around from the |