X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Firq.h;h=ee2a82a572f7d7b6b95c6ea593e1e65f85fb89d9;hb=3a8182bd886ab4197c9021645fac7a6f2bdc47ec;hp=f04ba20712a2968cba8d9e77e31c2d716f157830;hpb=25c862cc9ea9b312c25a9f577f91b973131f1261;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/irq.h b/include/linux/irq.h
index f04ba20712a..ee2a82a572f 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -12,7 +12,7 @@
 #include <linux/config.h>
 #include <linux/smp.h>
 
-#if !defined(CONFIG_ARCH_S390)
+#if !defined(CONFIG_S390)
 
 #include <linux/linkage.h>
 #include <linux/cache.h>
@@ -114,53 +114,8 @@ static inline void set_native_irq_info(int irq, cpumask_t mask)
 #if defined (CONFIG_GENERIC_PENDING_IRQ) || defined (CONFIG_IRQBALANCE)
 extern cpumask_t pending_irq_cpumask[NR_IRQS];
 
-static inline void set_pending_irq(unsigned int irq, cpumask_t mask)
-{
-	irq_desc_t *desc = irq_desc + irq;
-	unsigned long flags;
-
-	spin_lock_irqsave(&desc->lock, flags);
-	desc->move_irq = 1;
-	pending_irq_cpumask[irq] = mask;
-	spin_unlock_irqrestore(&desc->lock, flags);
-}
-
-static inline void
-move_native_irq(int irq)
-{
-	cpumask_t tmp;
-	irq_desc_t *desc = irq_descp(irq);
-
-	if (likely (!desc->move_irq))
-		return;
-
-	desc->move_irq = 0;
-
-	if (likely(cpus_empty(pending_irq_cpumask[irq])))
-		return;
-
-	if (!desc->handler->set_affinity)
-		return;
-
-	/* note - we hold the desc->lock */
-	cpus_and(tmp, pending_irq_cpumask[irq], cpu_online_map);
-
-	/*
-	 * If there was a valid mask to work with, please
-	 * do the disable, re-program, enable sequence.
-	 * This is *not* particularly important for level triggered
-	 * but in a edge trigger case, we might be setting rte
-	 * when an active trigger is comming in. This could
-	 * cause some ioapics to mal-function.
-	 * Being paranoid i guess!
-	 */
-	if (unlikely(!cpus_empty(tmp))) {
-		desc->handler->disable(irq);
-		desc->handler->set_affinity(irq,tmp);
-		desc->handler->enable(irq);
-	}
-	cpus_clear(pending_irq_cpumask[irq]);
-}
+void set_pending_irq(unsigned int irq, cpumask_t mask);
+void move_native_irq(int irq);
 
 #ifdef CONFIG_PCI_MSI
 /*
@@ -221,6 +176,17 @@ extern void note_interrupt(unsigned int irq, irq_desc_t *desc,
 extern int can_request_irq(unsigned int irq, unsigned long irqflags);
 
 extern void init_irq_proc(void);
+
+#ifdef CONFIG_AUTO_IRQ_AFFINITY
+extern int select_smp_affinity(unsigned int irq);
+#else
+static inline int
+select_smp_affinity(unsigned int irq)
+{
+	return 1;
+}
+#endif
+
 #endif
 
 extern hw_irq_controller no_irq_type;  /* needed in every arch ? */