[IA64] find thread for user rbs address

[linux-2.6-omap-h63xx.git] / arch / ia64 / kernel / iosapic.c

diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index abb4cb1c831eac295f213c300ed2eb140a0f53c6..0fc5fb7865cfc40fd1664faf3a37abee6e4ee99a 100644 (file)
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -79,7 +79,6 @@
  * describeinterrupts.  Now we use "IRQ" only for Linux IRQ's.  ISA IRQ
  * (isa_irq) is the only exception in this source code.
  */
-#include <linux/config.h>
 
 #include <linux/acpi.h>
 #include <linux/init.h>
@@ -289,6 +288,27 @@ nop (unsigned int irq)
        /* do nothing... */
 }
 
+
+#ifdef CONFIG_KEXEC
+void
+kexec_disable_iosapic(void)
+{
+       struct iosapic_intr_info *info;
+       struct iosapic_rte_info *rte;
+       u8 vec = 0;
+       for (info = iosapic_intr_info; info <
+                       iosapic_intr_info + IA64_NUM_VECTORS; ++info, ++vec) {
+               list_for_each_entry(rte, &info->rtes,
+                               rte_list) {
+                       iosapic_write(rte->addr,
+                                       IOSAPIC_RTE_LOW(rte->rte_index),
+                                       IOSAPIC_MASK|vec);
+                       iosapic_eoi(rte->addr, vec);
+               }
+       }
+}
+#endif
+
 static void
 mask_irq (unsigned int irq)
 {
@@ -427,7 +447,7 @@ iosapic_end_level_irq (unsigned int irq)
 #define iosapic_ack_level_irq          nop
 
 struct hw_interrupt_type irq_type_iosapic_level = {
-       .typename =     "IO-SAPIC-level",
+       .name =         "IO-SAPIC-level",
        .startup =      iosapic_startup_level_irq,
        .shutdown =     iosapic_shutdown_level_irq,
        .enable =       iosapic_enable_level_irq,
@@ -456,7 +476,7 @@ iosapic_startup_edge_irq (unsigned int irq)
 static void
 iosapic_ack_edge_irq (unsigned int irq)
 {
-       irq_desc_t *idesc = irq_descp(irq);
+       irq_desc_t *idesc = irq_desc + irq;
 
        move_native_irq(irq);
        /*
@@ -474,7 +494,7 @@ iosapic_ack_edge_irq (unsigned int irq)
 #define iosapic_end_edge_irq           nop
 
 struct hw_interrupt_type irq_type_iosapic_edge = {
-       .typename =     "IO-SAPIC-edge",
+       .name =         "IO-SAPIC-edge",
        .startup =      iosapic_startup_edge_irq,
        .shutdown =     iosapic_disable_edge_irq,
        .enable =       iosapic_enable_edge_irq,
@@ -659,13 +679,13 @@ register_intr (unsigned int gsi, int vector, unsigned char delivery,
        else
                irq_type = &irq_type_iosapic_level;
 
-       idesc = irq_descp(vector);
+       idesc = irq_desc + vector;
        if (idesc->chip != irq_type) {
                if (idesc->chip != &no_irq_type)
                        printk(KERN_WARNING
                               "%s: changing vector %d from %s to %s\n",
                               __FUNCTION__, vector,
-                              idesc->chip->typename, irq_type->typename);
+                              idesc->chip->name, irq_type->name);
                idesc->chip = irq_type;
        }
        return 0;
@@ -793,14 +813,14 @@ again:
                        return -ENOSPC;
        }
 
-       spin_lock_irqsave(&irq_descp(vector)->lock, flags);
+       spin_lock_irqsave(&irq_desc[vector].lock, flags);
        spin_lock(&iosapic_lock);
        {
                if (gsi_to_vector(gsi) > 0) {
                        if (list_empty(&iosapic_intr_info[vector].rtes))
                                free_irq_vector(vector);
                        spin_unlock(&iosapic_lock);
-                       spin_unlock_irqrestore(&irq_descp(vector)->lock,
+                       spin_unlock_irqrestore(&irq_desc[vector].lock,
                                               flags);
                        goto again;
                }
@@ -810,7 +830,7 @@ again:
                              polarity, trigger);
                if (err < 0) {
                        spin_unlock(&iosapic_lock);
-                       spin_unlock_irqrestore(&irq_descp(vector)->lock,
+                       spin_unlock_irqrestore(&irq_desc[vector].lock,
                                               flags);
                        return err;
                }
@@ -825,7 +845,7 @@ again:
                set_rte(gsi, vector, dest, mask);
        }
        spin_unlock(&iosapic_lock);
-       spin_unlock_irqrestore(&irq_descp(vector)->lock, flags);
+       spin_unlock_irqrestore(&irq_desc[vector].lock, flags);
 
        printk(KERN_INFO "GSI %u (%s, %s) -> CPU %d (0x%04x) vector %d\n",
               gsi, (trigger == IOSAPIC_EDGE ? "edge" : "level"),
@@ -860,7 +880,7 @@ iosapic_unregister_intr (unsigned int gsi)
        }
        vector = irq_to_vector(irq);
 
-       idesc = irq_descp(irq);
+       idesc = irq_desc + irq;
        spin_lock_irqsave(&idesc->lock, flags);
        spin_lock(&iosapic_lock);
        {