2 files changed, 13 insertions, 25 deletions

diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index 6be6730acb5c..566e64d966c4 100644
--- a/arch/x86_64/kernel/io_apic.c
+++ b/arch/x86_64/kernel/io_apic.c
@@ -831,7 +831,7 @@ static void __init setup_IO_APIC_irq(int apic, int pin, int idx, int irq)
         entry.delivery_mode = INT_DELIVERY_MODE;
         entry.dest_mode = INT_DEST_MODE;
         entry.mask = 0;                         /* enable IRQ */
-        entry.dest.logical.logical_dest = cpu_mask_to_apicid(TARGET_CPUS);
+        entry.dest = cpu_mask_to_apicid(TARGET_CPUS);
 
         entry.trigger = irq_trigger(idx);
         entry.polarity = irq_polarity(idx);
@@ -839,7 +839,7 @@ static void __init setup_IO_APIC_irq(int apic, int pin, int idx, int irq)
         if (irq_trigger(idx)) {
                 entry.trigger = 1;
                 entry.mask = 1;
-                entry.dest.logical.logical_dest = cpu_mask_to_apicid(TARGET_CPUS);
+                entry.dest = cpu_mask_to_apicid(TARGET_CPUS);
         }
 
         if (!apic && !IO_APIC_IRQ(irq))
@@ -851,7 +851,7 @@ static void __init setup_IO_APIC_irq(int apic, int pin, int idx, int irq)
                 if (vector < 0)
                         return;
 
-                entry.dest.logical.logical_dest = cpu_mask_to_apicid(mask);
+                entry.dest = cpu_mask_to_apicid(mask);
                 entry.vector = vector;
 
                 ioapic_register_intr(irq, vector, IOAPIC_AUTO);
@@ -920,7 +920,7 @@ static void __init setup_ExtINT_IRQ0_pin(unsigned int apic, unsigned int pin, in
          */
         entry.dest_mode = INT_DEST_MODE;
         entry.mask = 0;                                 /* unmask IRQ now */
-        entry.dest.logical.logical_dest = cpu_mask_to_apicid(TARGET_CPUS);
+        entry.dest = cpu_mask_to_apicid(TARGET_CPUS);
         entry.delivery_mode = INT_DELIVERY_MODE;
         entry.polarity = 0;
         entry.trigger = 0;
@@ -1020,18 +1020,17 @@ void __apicdebuginit print_IO_APIC(void)
 
         printk(KERN_DEBUG ".... IRQ redirection table:\n");
 
-        printk(KERN_DEBUG " NR Log Phy Mask Trig IRR Pol"
-                          " Stat Dest Deli Vect:   \n");
+        printk(KERN_DEBUG " NR Dst Mask Trig IRR Pol"
+                          " Stat Dmod Deli Vect:   \n");
 
         for (i = 0; i <= reg_01.bits.entries; i++) {
                 struct IO_APIC_route_entry entry;
 
                 entry = ioapic_read_entry(apic, i);
 
-                printk(KERN_DEBUG " %02x %03X %02X  ",
+                printk(KERN_DEBUG " %02x %03X ",
                         i,
-                        entry.dest.logical.logical_dest,
-                        entry.dest.physical.physical_dest
+                        entry.dest
                 );
 
                 printk("%1d    %1d    %1d   %1d   %1d    %1d    %1d    %02X\n",
@@ -1293,8 +1292,7 @@ void disable_IO_APIC(void)
                 entry.dest_mode       = 0; /* Physical */
                 entry.delivery_mode   = dest_ExtINT; /* ExtInt */
                 entry.vector          = 0;
-                entry.dest.physical.physical_dest =
-                                        GET_APIC_ID(apic_read(APIC_ID));
+                entry.dest          = GET_APIC_ID(apic_read(APIC_ID));
 
                 /*
                  * Add it to the IO-APIC irq-routing table:
@@ -1556,7 +1554,7 @@ static inline void unlock_ExtINT_logic(void)
 
         entry1.dest_mode = 0;                   /* physical delivery */
         entry1.mask = 0;                        /* unmask IRQ now */
-        entry1.dest.physical.physical_dest = hard_smp_processor_id();
+        entry1.dest = hard_smp_processor_id();
         entry1.delivery_mode = dest_ExtINT;
         entry1.polarity = entry0.polarity;
         entry1.trigger = 0;
@@ -2131,7 +2129,7 @@ int io_apic_set_pci_routing (int ioapic, int pin, int irq, int triggering, int p
 
         entry.delivery_mode = INT_DELIVERY_MODE;
         entry.dest_mode = INT_DEST_MODE;
-        entry.dest.logical.logical_dest = cpu_mask_to_apicid(mask);
+        entry.dest = cpu_mask_to_apicid(mask);
         entry.trigger = triggering;
         entry.polarity = polarity;
         entry.mask = 1;                                  /* Disabled (masked) */
diff --git a/include/asm-x86_64/io_apic.h b/include/asm-x86_64/io_apic.h
index 561ecbfd4cb5..f4fb238c89f1 100644
--- a/include/asm-x86_64/io_apic.h
+++ b/include/asm-x86_64/io_apic.h
@@ -85,18 +85,8 @@ struct IO_APIC_route_entry {
                 mask            :  1,   /* 0: enabled, 1: disabled */
                 __reserved_2    : 15;
 
-        union {         struct { __u32
-                                        __reserved_1    : 24,
-                                        physical_dest   :  4,
-                                        __reserved_2    :  4;
-                        } physical;
-
-                        struct { __u32
-                                        __reserved_1    : 24,
-                                        logical_dest    :  8;
-                        } logical;
-        } dest;
-
+        __u32   __reserved_3    : 24,
+                dest            :  8;
 } __attribute__ ((packed));
 
 /*