Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: (25 commits)
  mmtimer: Push BKL down into the ioctl handler
  [IA64] Remove experimental status of kdump
  [IA64] Update ia64 mmr list for SGI uv
  [IA64] Avoid overflowing ia64_cpu_to_sapicid in acpi_map_lsapic()
  [IA64] adding parameter check to module_free()
  [IA64] improper printk format in acpi-cpufreq
  [IA64] pv_ops: move some functions in ivt.S to avoid lack of space.
  [IA64] pvops: documentation on ia64/pv_ops
  [IA64] pvops: add to hooks, pv_time_ops, for steal time accounting.
  [IA64] pvops: add hooks, pv_irq_ops, to paravirtualized irq related operations.
  [IA64] pvops: add hooks, pv_iosapic_ops, to paravirtualize iosapic.
  [IA64] pvops: define initialization hooks, pv_init_ops, for paravirtualized environment.
  [IA64] pvops: paravirtualize NR_IRQS
  [IA64] pvops: paravirtualize entry.S
  [IA64] pvops: paravirtualize ivt.S
  [IA64] pvops: paravirtualize minstate.h.
  [IA64] pvops: define paravirtualized instructions for native.
  [IA64] pvops: preparation for paravirtulization of hand written assembly code.
  [IA64] pvops: introduce pv_cpu_ops to paravirtualize privileged instructions.
  [IA64] pvops: add an early setup hook for pv_ops.
  ...

1 files changed, 29 insertions, 16 deletions

diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index 39752cdef6ff..3bc2fa64f87f 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -585,6 +585,15 @@ static inline int irq_is_shared (int irq)
         return (iosapic_intr_info[irq].count > 1);
 }
 
+struct irq_chip*
+ia64_native_iosapic_get_irq_chip(unsigned long trigger)
+{
+        if (trigger == IOSAPIC_EDGE)
+                return &irq_type_iosapic_edge;
+        else
+                return &irq_type_iosapic_level;
+}
+
 static int
 register_intr (unsigned int gsi, int irq, unsigned char delivery,
                unsigned long polarity, unsigned long trigger)
@@ -635,13 +644,10 @@ register_intr (unsigned int gsi, int irq, unsigned char delivery,
         iosapic_intr_info[irq].dmode    = delivery;
         iosapic_intr_info[irq].trigger  = trigger;
 
-        if (trigger == IOSAPIC_EDGE)
-                irq_type = &irq_type_iosapic_edge;
-        else
-                irq_type = &irq_type_iosapic_level;
+        irq_type = iosapic_get_irq_chip(trigger);
 
         idesc = irq_desc + irq;
-        if (idesc->chip != irq_type) {
+        if (irq_type != NULL && idesc->chip != irq_type) {
                 if (idesc->chip != &no_irq_type)
                         printk(KERN_WARNING
                                "%s: changing vector %d from %s to %s\n",
@@ -974,6 +980,22 @@ iosapic_override_isa_irq (unsigned int isa_irq, unsigned int gsi,
 }
 
 void __init
+ia64_native_iosapic_pcat_compat_init(void)
+{
+        if (pcat_compat) {
+                /*
+                 * Disable the compatibility mode interrupts (8259 style),
+                 * needs IN/OUT support enabled.
+                 */
+                printk(KERN_INFO
+                       "%s: Disabling PC-AT compatible 8259 interrupts\n",
+                       __func__);
+                outb(0xff, 0xA1);
+                outb(0xff, 0x21);
+        }
+}
+
+void __init
 iosapic_system_init (int system_pcat_compat)
 {
         int irq;
@@ -987,17 +1009,8 @@ iosapic_system_init (int system_pcat_compat)
         }
 
         pcat_compat = system_pcat_compat;
-        if (pcat_compat) {
-                /*
-                 * Disable the compatibility mode interrupts (8259 style),
-                 * needs IN/OUT support enabled.
-                 */
-                printk(KERN_INFO
-                       "%s: Disabling PC-AT compatible 8259 interrupts\n",
-                       __func__);
-                outb(0xff, 0xA1);
-                outb(0xff, 0x21);
-        }
+        if (pcat_compat)
+                iosapic_pcat_compat_init();
 }
 
 static inline int