diff options
Diffstat (limited to 'arch/sparc/kernel/sun4m_smp.c')
| -rw-r--r-- | arch/sparc/kernel/sun4m_smp.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c index 183ea7323..c9acf609c 100644 --- a/arch/sparc/kernel/sun4m_smp.c +++ b/arch/sparc/kernel/sun4m_smp.c @@ -161,6 +161,7 @@ __initfunc(void smp4m_boot_cpus(void)) smp_store_cpu_info(boot_cpu_id); set_irq_udt(mid_xlate[boot_cpu_id]); smp_setup_percpu_timer(); + init_idle(); local_flush_cache_all(); if(linux_num_cpus == 1) return; /* Not an MP box. */ @@ -180,6 +181,7 @@ __initfunc(void smp4m_boot_cpus(void)) p = task[++cpucount]; p->processor = i; + p->has_cpu = 1; /* we schedule the first task manually */ current_set[i] = p; /* See trampoline.S for details... */ @@ -448,6 +450,7 @@ void smp4m_percpu_timer_interrupt(struct pt_regs *regs) if(!--prof_counter[cpu]) { int user = user_mode(regs); + irq_enter(cpu, 0); if(current->pid) { update_one_process(current, 1, user, !user, cpu); @@ -456,7 +459,6 @@ void smp4m_percpu_timer_interrupt(struct pt_regs *regs) current->need_resched = 1; } - spin_lock(&ticker_lock); if(user) { if(current->priority < DEF_PRIORITY) { kstat.cpu_nice++; @@ -469,9 +471,9 @@ void smp4m_percpu_timer_interrupt(struct pt_regs *regs) kstat.cpu_system++; kstat.per_cpu_system[cpu]++; } - spin_unlock(&ticker_lock); } prof_counter[cpu] = prof_multiplier[cpu]; + irq_exit(cpu, 0); } } |