X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=kernel%2Fsoftirq.c;h=ec8fed42a86f5db1001701c2da36c3287cbcaa36;hb=2514395ef88b46e895726a8d40966cb83de7940c;hp=b4ab6af1dea8513147c19694a8eff8a4353c69e0;hpb=e0b98c79e605f64f263ede53344f283f5e0548be;p=linux-2.6-omap-h63xx.git

diff --git a/kernel/softirq.c b/kernel/softirq.c
index b4ab6af1dea..ec8fed42a86 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -16,6 +16,7 @@
 #include <linux/cpu.h>
 #include <linux/kthread.h>
 #include <linux/rcupdate.h>
+#include <linux/smp.h>
 
 #include <asm/irq.h>
 /*
@@ -84,7 +85,7 @@ asmlinkage void __do_softirq(void)
 	cpu = smp_processor_id();
 restart:
 	/* Reset the pending bitmask before enabling irqs */
-	local_softirq_pending() = 0;
+	set_softirq_pending(0);
 
 	local_irq_enable();
 
@@ -470,7 +471,8 @@ static int __devinit cpu_callback(struct notifier_block *nfb,
 #ifdef CONFIG_HOTPLUG_CPU
 	case CPU_UP_CANCELED:
 		/* Unbind so it can run.  Fall thru. */
-		kthread_bind(per_cpu(ksoftirqd, hotcpu), smp_processor_id());
+		kthread_bind(per_cpu(ksoftirqd, hotcpu),
+			     any_online_cpu(cpu_online_map));
 	case CPU_DEAD:
 		p = per_cpu(ksoftirqd, hotcpu);
 		per_cpu(ksoftirqd, hotcpu) = NULL;
@@ -494,3 +496,22 @@ __init int spawn_ksoftirqd(void)
 	register_cpu_notifier(&cpu_nfb);
 	return 0;
 }
+
+#ifdef CONFIG_SMP
+/*
+ * Call a function on all processors
+ */
+int on_each_cpu(void (*func) (void *info), void *info, int retry, int wait)
+{
+	int ret = 0;
+
+	preempt_disable();
+	ret = smp_call_function(func, info, retry, wait);
+	local_irq_disable();
+	func(info);
+	local_irq_enable();
+	preempt_enable();
+	return ret;
+}
+EXPORT_SYMBOL(on_each_cpu);
+#endif