From 852c25eda2e5dab087370823a64fb37eca492794 Mon Sep 17 00:00:00 2001
From: Kip Macy <kmacy@FreeBSD.org>
Date: Fri, 26 Sep 2008 05:54:24 +0000
Subject: [PATCH] move ipi_pcpu to evtchn.c

---
 sys/i386/include/xen/evtchn.h |  1 +
 sys/i386/xen/mp_machdep.c     | 12 +-----------
 sys/xen/evtchn/evtchn.c       | 22 +++++++++++++++-------
 3 files changed, 17 insertions(+), 18 deletions(-)

diff --git a/sys/i386/include/xen/evtchn.h b/sys/i386/include/xen/evtchn.h
index 1124105573b8..92ee578601e7 100644
--- a/sys/i386/include/xen/evtchn.h
+++ b/sys/i386/include/xen/evtchn.h
@@ -59,6 +59,7 @@ notify_remote_via_evtchn(int port)
  */
 int irq_to_evtchn_port(int irq);
 
+void ipi_pcpu(unsigned int cpu, int vector);
 
 /*
  * CHARACTER-DEVICE DEFINITIONS
diff --git a/sys/i386/xen/mp_machdep.c b/sys/i386/xen/mp_machdep.c
index 651d14d3e6dc..c1af917a8a1f 100644
--- a/sys/i386/xen/mp_machdep.c
+++ b/sys/i386/xen/mp_machdep.c
@@ -85,6 +85,7 @@ __FBSDID("$FreeBSD$");
 
 
 #include <machine/xen/xen-os.h>
+#include <machine/xen/evtchn.h>
 #include <machine/xen/hypervisor.h>
 #include <xen/interface/vcpu.h>
 
@@ -906,17 +907,6 @@ smp_masked_invlpg_range(u_int mask, vm_offset_t addr1, vm_offset_t addr2)
 	}
 }
 
-static __inline void
-ipi_pcpu(unsigned int cpu, int vector) 
-{ 
-#ifdef notyet
-        int irq = per_cpu(ipi_to_irq, cpu)[vector]; 
-
-        notify_remote_via_irq(irq); 
-#endif
-} 
-
-
 void
 ipi_bitmap_handler(struct trapframe frame)
 {
diff --git a/sys/xen/evtchn/evtchn.c b/sys/xen/evtchn/evtchn.c
index de3cf0c05628..53b41accb427 100644
--- a/sys/xen/evtchn/evtchn.c
+++ b/sys/xen/evtchn/evtchn.c
@@ -112,14 +112,14 @@ enum {
 #define index_from_irq(irq)  ((uint8_t)(irq_info[irq] >> 16))
 #define type_from_irq(irq)   ((uint8_t)(irq_info[irq] >> 24))
 
-/* IRQ <-> VIRQ mapping. */
-DEFINE_PER_CPU(int, virq_to_irq[NR_VIRQS]);
-
-/* IRQ <-> IPI mapping. */
-#ifndef NR_IPIS
+/* IRQ <-> VIRQ mapping. */ 
+DEFINE_PER_CPU(int, virq_to_irq[NR_VIRQS]) = {[0 ... NR_VIRQS-1] = -1}; 
+ 
+/* IRQ <-> IPI mapping. */ 
+#ifndef NR_IPIS 
 #define NR_IPIS 1 
-#endif
-DEFINE_PER_CPU(int, ipi_to_irq[NR_IPIS]);
+#endif 
+DEFINE_PER_CPU(int, ipi_to_irq[NR_IPIS]) = {[0 ... NR_IPIS-1] = -1}; 
 
 /* Bitmap indicating which PIRQs require Xen to be notified on unmask. */
 static unsigned long pirq_needs_unmask_notify[NR_PIRQS/sizeof(unsigned long)];
@@ -219,6 +219,14 @@ evtchn_do_upcall(struct trapframe *frame)
 	}
 }
 
+void
+ipi_pcpu(unsigned int cpu, int vector) 
+{ 
+        int irq = per_cpu(ipi_to_irq, cpu)[vector]; 
+
+        notify_remote_via_irq(irq); 
+} 
+
 static int 
 find_unbound_irq(void)
 {