X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fsoftirq.c;h=bd89bc4eb0b9c0baa8070678d3cb099a8b40bb1c;hb=5cd17569fd0eeca510735e63a6061291e3971bf6;hp=73217a9e2875b27909cb4c9db09a6ec2d4284a7c;hpb=bf22f6fe2d72b4d7e9035be8ceb340414cf490e3;p=linux-2.6

diff --git a/kernel/softirq.c b/kernel/softirq.c
index 73217a9e28..bd89bc4eb0 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -14,6 +14,7 @@
 #include <linux/notifier.h>
 #include <linux/percpu.h>
 #include <linux/cpu.h>
+#include <linux/freezer.h>
 #include <linux/kthread.h>
 #include <linux/rcupdate.h>
 #include <linux/smp.h>
@@ -270,8 +271,6 @@ asmlinkage void do_softirq(void)
 	local_irq_restore(flags);
 }
 
-EXPORT_SYMBOL(do_softirq);
-
 #endif
 
 /*
@@ -331,8 +330,6 @@ inline fastcall void raise_softirq_irqoff(unsigned int nr)
 		wakeup_softirqd();
 }
 
-EXPORT_SYMBOL(raise_softirq_irqoff);
-
 void fastcall raise_softirq(unsigned int nr)
 {
 	unsigned long flags;
@@ -488,8 +485,6 @@ void __init softirq_init(void)
 
 static int ksoftirqd(void * __bind_cpu)
 {
-	current->flags |= PF_NOFREEZE;
-
 	set_current_state(TASK_INTERRUPTIBLE);
 
 	while (!kthread_should_stop()) {
@@ -614,12 +609,16 @@ static int __cpuinit cpu_callback(struct notifier_block *nfb,
 		kthread_bind(per_cpu(ksoftirqd, hotcpu),
 			     any_online_cpu(cpu_online_map));
 	case CPU_DEAD:
-	case CPU_DEAD_FROZEN:
+	case CPU_DEAD_FROZEN: {
+		struct sched_param param = { .sched_priority = MAX_RT_PRIO-1 };
+
 		p = per_cpu(ksoftirqd, hotcpu);
 		per_cpu(ksoftirqd, hotcpu) = NULL;
+		sched_setscheduler(p, SCHED_FIFO, &param);
 		kthread_stop(p);
 		takeover_tasklets(hotcpu);
 		break;
+	}
 #endif /* CONFIG_HOTPLUG_CPU */
  	}
 	return NOTIFY_OK;