Messages in this thread Patch in this message | | | From | "Fenghua Yu" <> | Subject | [PATCH 6/6] x86/x2apic_phys.c: Wakeup function in x2apic_phys calls mwait or nmi method | Date | Mon, 4 Jun 2012 11:17:56 -0700 |
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wmb(); + printk("%s:%d\n",__func__,__LINE__); cpu_idle(); } @@ -478,6 +479,8 @@ _wakeup_secondary_cpu_via_nmi(int apicid, int dest_mode) unsigned long send_status, accept_status = 0; int maxlvt; + printk("%s:%d\n",__func__,__LINE__); + /* Target chip */ /* Boot on the stack */ /* Kick the second */ @@ -530,6 +533,7 @@ DEFINE_PER_CPU(int, cpu_dead) = { 0 }; static int wakeup_secondary_cpu_via_mwait(int cpu) { + printk("%s:%d\n",__func__,__LINE__); per_cpu(cpu_dead, cpu) |= CPU_DEAD_TRIGGER; return 0; } @@ -553,6 +557,7 @@ wakeup_secondary_cpu_via_init(int phys_apicid, unsigned long start_eip) unsigned long send_status, accept_status = 0; int maxlvt, num_starts, j; + printk("%s:%d\n",__func__,__LINE__); maxlvt = lapic_get_maxlvt(); /* diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index 6345294..b218149 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -49,6 +49,7 @@ static ssize_t __ref store_online(struct device *dev, kobject_uevent(&dev->kobj, KOBJ_OFFLINE); break; case '1': + printk("%s:%d\n",__func__,__LINE__); ret = cpu_up(cpu->dev.id); if (!ret) kobject_uevent(&dev->kobj, KOBJ_ONLINE);
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