diff options
Diffstat (limited to 'arch/sparc/kernel/sun4m_smp.c')
| -rw-r--r-- | arch/sparc/kernel/sun4m_smp.c | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c index ff74d33e270..ee21c4375a9 100644 --- a/arch/sparc/kernel/sun4m_smp.c +++ b/arch/sparc/kernel/sun4m_smp.c @@ -34,8 +34,6 @@ swap_ulong(volatile unsigned long *ptr, unsigned long val) return val; } -static void smp4m_ipi_init(void); - void __cpuinit smp4m_callin(void) { int cpuid = hard_smp_processor_id(); @@ -88,7 +86,6 @@ void __cpuinit smp4m_callin(void) */ void __init smp4m_boot_cpus(void) { - smp4m_ipi_init(); sun4m_unmask_profile_irq(); local_ops->cache_all(); } @@ -156,25 +153,24 @@ void __init smp4m_smp_done(void) /* Ok, they are spinning and ready to go. */ } - -/* Initialize IPIs on the SUN4M SMP machine */ -static void __init smp4m_ipi_init(void) +static void sun4m_send_ipi(int cpu, int level) { + sbus_writel(SUN4M_SOFT_INT(level), &sun4m_irq_percpu[cpu]->set); } -static void smp4m_ipi_resched(int cpu) +static void sun4m_ipi_resched(int cpu) { - set_cpu_int(cpu, IRQ_IPI_RESCHED); + sun4m_send_ipi(cpu, IRQ_IPI_RESCHED); } -static void smp4m_ipi_single(int cpu) +static void sun4m_ipi_single(int cpu) { - set_cpu_int(cpu, IRQ_IPI_SINGLE); + sun4m_send_ipi(cpu, IRQ_IPI_SINGLE); } -static void smp4m_ipi_mask_one(int cpu) +static void sun4m_ipi_mask_one(int cpu) { - set_cpu_int(cpu, IRQ_IPI_MASK); + sun4m_send_ipi(cpu, IRQ_IPI_MASK); } static struct smp_funcall { @@ -191,7 +187,7 @@ static struct smp_funcall { static DEFINE_SPINLOCK(cross_call_lock); /* Cross calls must be serialized, at least currently. */ -static void smp4m_cross_call(smpfunc_t func, cpumask_t mask, unsigned long arg1, +static void sun4m_cross_call(smpfunc_t func, cpumask_t mask, unsigned long arg1, unsigned long arg2, unsigned long arg3, unsigned long arg4) { @@ -218,7 +214,7 @@ static void smp4m_cross_call(smpfunc_t func, cpumask_t mask, unsigned long arg1, if (cpumask_test_cpu(i, &mask)) { ccall_info.processors_in[i] = 0; ccall_info.processors_out[i] = 0; - set_cpu_int(i, IRQ_CROSS_CALL); + sun4m_send_ipi(i, IRQ_CROSS_CALL); } else { ccall_info.processors_in[i] = 1; ccall_info.processors_out[i] = 1; @@ -281,10 +277,14 @@ void smp4m_percpu_timer_interrupt(struct pt_regs *regs) set_irq_regs(old_regs); } +static const struct sparc32_ipi_ops sun4m_ipi_ops = { + .cross_call = sun4m_cross_call, + .resched = sun4m_ipi_resched, + .single = sun4m_ipi_single, + .mask_one = sun4m_ipi_mask_one, +}; + void __init sun4m_init_smp(void) { - BTFIXUPSET_CALL(smp_cross_call, smp4m_cross_call, BTFIXUPCALL_NORM); - BTFIXUPSET_CALL(smp_ipi_resched, smp4m_ipi_resched, BTFIXUPCALL_NORM); - BTFIXUPSET_CALL(smp_ipi_single, smp4m_ipi_single, BTFIXUPCALL_NORM); - BTFIXUPSET_CALL(smp_ipi_mask_one, smp4m_ipi_mask_one, BTFIXUPCALL_NORM); + sparc32_ipi_ops = &sun4m_ipi_ops; } |