1 files changed, 92 insertions, 71 deletions

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 1c4a1302536c..f79660390724 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -46,6 +46,7 @@
 #include <asm/idle.h>
 #include <asm/io.h>
 #include <asm/smp.h>
+#include <asm/cpu.h>
 #include <asm/desc.h>
 #include <asm/proto.h>
 #include <asm/acpi.h>
@@ -82,11 +83,11 @@ static DEFINE_SPINLOCK(vector_lock);
 int nr_ioapic_registers[MAX_IO_APICS];
 
 /* I/O APIC entries */
-struct mp_config_ioapic mp_ioapics[MAX_IO_APICS];
+struct mpc_ioapic mp_ioapics[MAX_IO_APICS];
 int nr_ioapics;
 
 /* MP IRQ source entries */
-struct mp_config_intsrc mp_irqs[MAX_IRQ_SOURCES];
+struct mpc_intsrc mp_irqs[MAX_IRQ_SOURCES];
 
 /* # of MP IRQ source entries */
 int mp_irq_entries;
@@ -356,7 +357,7 @@ set_extra_move_desc(struct irq_desc *desc, const struct cpumask *mask)
 
         if (!cfg->move_in_progress) {
                 /* it means that domain is not changed */
-                if (!cpumask_intersects(&desc->affinity, mask))
+                if (!cpumask_intersects(desc->affinity, mask))
                         cfg->move_desc_pending = 1;
         }
 }
@@ -386,7 +387,7 @@ struct io_apic {
 static __attribute_const__ struct io_apic __iomem *io_apic_base(int idx)
 {
         return (void __iomem *) __fix_to_virt(FIX_IO_APIC_BASE_0 + idx)
-                + (mp_ioapics[idx].mp_apicaddr & ~PAGE_MASK);
+                + (mp_ioapics[idx].apicaddr & ~PAGE_MASK);
 }
 
 static inline unsigned int io_apic_read(unsigned int apic, unsigned int reg)
@@ -579,9 +580,9 @@ set_desc_affinity(struct irq_desc *desc, const struct cpumask *mask)
         if (assign_irq_vector(irq, cfg, mask))
                 return BAD_APICID;
 
-        cpumask_and(&desc->affinity, cfg->domain, mask);
+        cpumask_and(desc->affinity, cfg->domain, mask);
         set_extra_move_desc(desc, mask);
-        return cpu_mask_to_apicid_and(&desc->affinity, cpu_online_mask);
+        return cpu_mask_to_apicid_and(desc->affinity, cpu_online_mask);
 }
 
 static void
@@ -944,10 +945,10 @@ static int find_irq_entry(int apic, int pin, int type)
         int i;
 
         for (i = 0; i < mp_irq_entries; i++)
-                if (mp_irqs[i].mp_irqtype == type &&
-                    (mp_irqs[i].mp_dstapic == mp_ioapics[apic].mp_apicid ||
-                     mp_irqs[i].mp_dstapic == MP_APIC_ALL) &&
-                    mp_irqs[i].mp_dstirq == pin)
+                if (mp_irqs[i].irqtype == type &&
+                    (mp_irqs[i].dstapic == mp_ioapics[apic].apicid ||
+                     mp_irqs[i].dstapic == MP_APIC_ALL) &&
+                    mp_irqs[i].dstirq == pin)
                         return i;
 
         return -1;
@@ -961,13 +962,13 @@ static int __init find_isa_irq_pin(int irq, int type)
         int i;
 
         for (i = 0; i < mp_irq_entries; i++) {
-                int lbus = mp_irqs[i].mp_srcbus;
+                int lbus = mp_irqs[i].srcbus;
 
                 if (test_bit(lbus, mp_bus_not_pci) &&
-                    (mp_irqs[i].mp_irqtype == type) &&
-                    (mp_irqs[i].mp_srcbusirq == irq))
+                    (mp_irqs[i].irqtype == type) &&
+                    (mp_irqs[i].srcbusirq == irq))
 
-                        return mp_irqs[i].mp_dstirq;
+                        return mp_irqs[i].dstirq;
         }
         return -1;
 }
@@ -977,17 +978,17 @@ static int __init find_isa_irq_apic(int irq, int type)
         int i;
 
         for (i = 0; i < mp_irq_entries; i++) {
-                int lbus = mp_irqs[i].mp_srcbus;
+                int lbus = mp_irqs[i].srcbus;
 
                 if (test_bit(lbus, mp_bus_not_pci) &&
-                    (mp_irqs[i].mp_irqtype == type) &&
-                    (mp_irqs[i].mp_srcbusirq == irq))
+                    (mp_irqs[i].irqtype == type) &&
+                    (mp_irqs[i].srcbusirq == irq))
                         break;
         }
         if (i < mp_irq_entries) {
                 int apic;
                 for(apic = 0; apic < nr_ioapics; apic++) {
-                        if (mp_ioapics[apic].mp_apicid == mp_irqs[i].mp_dstapic)
+                        if (mp_ioapics[apic].apicid == mp_irqs[i].dstapic)
                                 return apic;
                 }
         }
@@ -1012,23 +1013,23 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin)
                 return -1;
         }
         for (i = 0; i < mp_irq_entries; i++) {
-                int lbus = mp_irqs[i].mp_srcbus;
+                int lbus = mp_irqs[i].srcbus;
 
                 for (apic = 0; apic < nr_ioapics; apic++)
-                        if (mp_ioapics[apic].mp_apicid == mp_irqs[i].mp_dstapic ||
-                            mp_irqs[i].mp_dstapic == MP_APIC_ALL)
+                        if (mp_ioapics[apic].apicid == mp_irqs[i].dstapic ||
+                            mp_irqs[i].dstapic == MP_APIC_ALL)
                                 break;
 
                 if (!test_bit(lbus, mp_bus_not_pci) &&
-                    !mp_irqs[i].mp_irqtype &&
+                    !mp_irqs[i].irqtype &&
                     (bus == lbus) &&
-                    (slot == ((mp_irqs[i].mp_srcbusirq >> 2) & 0x1f))) {
-                        int irq = pin_2_irq(i,apic,mp_irqs[i].mp_dstirq);
+                    (slot == ((mp_irqs[i].srcbusirq >> 2) & 0x1f))) {
+                        int irq = pin_2_irq(i, apic, mp_irqs[i].dstirq);
 
                         if (!(apic || IO_APIC_IRQ(irq)))
                                 continue;
 
-                        if (pin == (mp_irqs[i].mp_srcbusirq & 3))
+                        if (pin == (mp_irqs[i].srcbusirq & 3))
                                 return irq;
                         /*
                          * Use the first all-but-pin matching entry as a
@@ -1071,7 +1072,7 @@ static int EISA_ELCR(unsigned int irq)
  * EISA conforming in the MP table, that means its trigger type must
  * be read in from the ELCR */
 
-#define default_EISA_trigger(idx)       (EISA_ELCR(mp_irqs[idx].mp_srcbusirq))
+#define default_EISA_trigger(idx)       (EISA_ELCR(mp_irqs[idx].srcbusirq))
 #define default_EISA_polarity(idx)      default_ISA_polarity(idx)
 
 /* PCI interrupts are always polarity one level triggered,
@@ -1088,13 +1089,13 @@ static int EISA_ELCR(unsigned int irq)
 
 static int MPBIOS_polarity(int idx)
 {
-        int bus = mp_irqs[idx].mp_srcbus;
+        int bus = mp_irqs[idx].srcbus;
         int polarity;
 
         /*
          * Determine IRQ line polarity (high active or low active):
          */
-        switch (mp_irqs[idx].mp_irqflag & 3)
+        switch (mp_irqs[idx].irqflag & 3)
         {
                 case 0: /* conforms, ie. bus-type dependent polarity */
                         if (test_bit(bus, mp_bus_not_pci))
@@ -1130,13 +1131,13 @@ static int MPBIOS_polarity(int idx)
 
 static int MPBIOS_trigger(int idx)
 {
-        int bus = mp_irqs[idx].mp_srcbus;
+        int bus = mp_irqs[idx].srcbus;
         int trigger;
 
         /*
          * Determine IRQ trigger mode (edge or level sensitive):
          */
-        switch ((mp_irqs[idx].mp_irqflag>>2) & 3)
+        switch ((mp_irqs[idx].irqflag>>2) & 3)
         {
                 case 0: /* conforms, ie. bus-type dependent */
                         if (test_bit(bus, mp_bus_not_pci))
@@ -1214,16 +1215,16 @@ int (*ioapic_renumber_irq)(int ioapic, int irq);
 static int pin_2_irq(int idx, int apic, int pin)
 {
         int irq, i;
-        int bus = mp_irqs[idx].mp_srcbus;
+        int bus = mp_irqs[idx].srcbus;
 
         /*
          * Debugging check, we are in big trouble if this message pops up!
          */
-        if (mp_irqs[idx].mp_dstirq != pin)
+        if (mp_irqs[idx].dstirq != pin)
                 printk(KERN_ERR "broken BIOS or MPTABLE parser, ayiee!!\n");
 
         if (test_bit(bus, mp_bus_not_pci)) {
-                irq = mp_irqs[idx].mp_srcbusirq;
+                irq = mp_irqs[idx].srcbusirq;
         } else {
                 /*
                  * PCI IRQs are mapped in order
@@ -1566,14 +1567,14 @@ static void setup_IO_APIC_irq(int apic, int pin, unsigned int irq, struct irq_de
         apic_printk(APIC_VERBOSE,KERN_DEBUG
                     "IOAPIC[%d]: Set routing entry (%d-%d -> 0x%x -> "
                     "IRQ %d Mode:%i Active:%i)\n",
-                    apic, mp_ioapics[apic].mp_apicid, pin, cfg->vector,
+                    apic, mp_ioapics[apic].apicid, pin, cfg->vector,
                     irq, trigger, polarity);
 
 
-        if (setup_ioapic_entry(mp_ioapics[apic].mp_apicid, irq, &entry,
+        if (setup_ioapic_entry(mp_ioapics[apic].apicid, irq, &entry,
                                dest, trigger, polarity, cfg->vector)) {
                 printk("Failed to setup ioapic entry for ioapic  %d, pin %d\n",
-                       mp_ioapics[apic].mp_apicid, pin);
+                       mp_ioapics[apic].apicid, pin);
                 __clear_irq_vector(irq, cfg);
                 return;
         }
@@ -1604,12 +1605,10 @@ static void __init setup_IO_APIC_irqs(void)
                                         notcon = 1;
                                         apic_printk(APIC_VERBOSE,
                                                 KERN_DEBUG " %d-%d",
-                                                mp_ioapics[apic].mp_apicid,
-                                                pin);
+                                                mp_ioapics[apic].apicid, pin);
                                 } else
                                         apic_printk(APIC_VERBOSE, " %d-%d",
-                                                mp_ioapics[apic].mp_apicid,
-                                                pin);
+                                                mp_ioapics[apic].apicid, pin);
                                 continue;
                         }
                         if (notcon) {
@@ -1699,7 +1698,7 @@ __apicdebuginit(void) print_IO_APIC(void)
         printk(KERN_DEBUG "number of MP IRQ sources: %d.\n", mp_irq_entries);
         for (i = 0; i < nr_ioapics; i++)
                 printk(KERN_DEBUG "number of IO-APIC #%d registers: %d.\n",
-                       mp_ioapics[i].mp_apicid, nr_ioapic_registers[i]);
+                       mp_ioapics[i].apicid, nr_ioapic_registers[i]);
 
         /*
          * We are a bit conservative about what we expect.  We have to
@@ -1719,7 +1718,7 @@ __apicdebuginit(void) print_IO_APIC(void)
         spin_unlock_irqrestore(&ioapic_lock, flags);
 
         printk("\n");
-        printk(KERN_DEBUG "IO APIC #%d......\n", mp_ioapics[apic].mp_apicid);
+        printk(KERN_DEBUG "IO APIC #%d......\n", mp_ioapics[apic].apicid);
         printk(KERN_DEBUG ".... register #00: %08X\n", reg_00.raw);
         printk(KERN_DEBUG ".......    : physical APIC id: %02X\n", reg_00.bits.ID);
         printk(KERN_DEBUG ".......    : Delivery Type: %X\n", reg_00.bits.delivery_type);
@@ -2121,14 +2120,14 @@ static void __init setup_ioapic_ids_from_mpc(void)
                 reg_00.raw = io_apic_read(apic, 0);
                 spin_unlock_irqrestore(&ioapic_lock, flags);
 
-                old_id = mp_ioapics[apic].mp_apicid;
+                old_id = mp_ioapics[apic].apicid;
 
-                if (mp_ioapics[apic].mp_apicid >= get_physical_broadcast()) {
+                if (mp_ioapics[apic].apicid >= get_physical_broadcast()) {
                         printk(KERN_ERR "BIOS bug, IO-APIC#%d ID is %d in the MPC table!...\n",
-                                apic, mp_ioapics[apic].mp_apicid);
+                                apic, mp_ioapics[apic].apicid);
                         printk(KERN_ERR "... fixing up to %d. (tell your hw vendor)\n",
                                 reg_00.bits.ID);
-                        mp_ioapics[apic].mp_apicid = reg_00.bits.ID;
+                        mp_ioapics[apic].apicid = reg_00.bits.ID;
                 }
 
                 /*
@@ -2137,9 +2136,9 @@ static void __init setup_ioapic_ids_from_mpc(void)
                  * 'stuck on smp_invalidate_needed IPI wait' messages.
                  */
                 if (check_apicid_used(phys_id_present_map,
-                                        mp_ioapics[apic].mp_apicid)) {
+                                        mp_ioapics[apic].apicid)) {
                         printk(KERN_ERR "BIOS bug, IO-APIC#%d ID %d is already used!...\n",
-                                apic, mp_ioapics[apic].mp_apicid);
+                                apic, mp_ioapics[apic].apicid);
                         for (i = 0; i < get_physical_broadcast(); i++)
                                 if (!physid_isset(i, phys_id_present_map))
                                         break;
@@ -2148,13 +2147,13 @@ static void __init setup_ioapic_ids_from_mpc(void)
                         printk(KERN_ERR "... fixing up to %d. (tell your hw vendor)\n",
                                 i);
                         physid_set(i, phys_id_present_map);
-                        mp_ioapics[apic].mp_apicid = i;
+                        mp_ioapics[apic].apicid = i;
                 } else {
                         physid_mask_t tmp;
-                        tmp = apicid_to_cpu_present(mp_ioapics[apic].mp_apicid);
+                        tmp = apicid_to_cpu_present(mp_ioapics[apic].apicid);
                         apic_printk(APIC_VERBOSE, "Setting %d in the "
                                         "phys_id_present_map\n",
-                                        mp_ioapics[apic].mp_apicid);
+                                        mp_ioapics[apic].apicid);
                         physids_or(phys_id_present_map, phys_id_present_map, tmp);
                 }
 
@@ -2163,11 +2162,11 @@ static void __init setup_ioapic_ids_from_mpc(void)
                  * We need to adjust the IRQ routing table
                  * if the ID changed.
                  */
-                if (old_id != mp_ioapics[apic].mp_apicid)
+                if (old_id != mp_ioapics[apic].apicid)
                         for (i = 0; i < mp_irq_entries; i++)
-                                if (mp_irqs[i].mp_dstapic == old_id)
-                                        mp_irqs[i].mp_dstapic
-                                                = mp_ioapics[apic].mp_apicid;
+                                if (mp_irqs[i].dstapic == old_id)
+                                        mp_irqs[i].dstapic
+                                                = mp_ioapics[apic].apicid;
 
                 /*
                  * Read the right value from the MPC table and
@@ -2175,9 +2174,9 @@ static void __init setup_ioapic_ids_from_mpc(void)
                  */
                 apic_printk(APIC_VERBOSE, KERN_INFO
                         "...changing IO-APIC physical APIC ID to %d ...",
-                        mp_ioapics[apic].mp_apicid);
+                        mp_ioapics[apic].apicid);
 
-                reg_00.bits.ID = mp_ioapics[apic].mp_apicid;
+                reg_00.bits.ID = mp_ioapics[apic].apicid;
                 spin_lock_irqsave(&ioapic_lock, flags);
                 io_apic_write(apic, 0, reg_00.raw);
                 spin_unlock_irqrestore(&ioapic_lock, flags);
@@ -2188,7 +2187,7 @@ static void __init setup_ioapic_ids_from_mpc(void)
                 spin_lock_irqsave(&ioapic_lock, flags);
                 reg_00.raw = io_apic_read(apic, 0);
                 spin_unlock_irqrestore(&ioapic_lock, flags);
-                if (reg_00.bits.ID != mp_ioapics[apic].mp_apicid)
+                if (reg_00.bits.ID != mp_ioapics[apic].apicid)
                         printk("could not set ID!\n");
                 else
                         apic_printk(APIC_VERBOSE, " ok.\n");
@@ -2383,7 +2382,7 @@ migrate_ioapic_irq_desc(struct irq_desc *desc, const struct cpumask *mask)
         if (cfg->move_in_progress)
                 send_cleanup_vector(cfg);
 
-        cpumask_copy(&desc->affinity, mask);
+        cpumask_copy(desc->affinity, mask);
 }
 
 static int migrate_irq_remapped_level_desc(struct irq_desc *desc)
@@ -2405,11 +2404,11 @@ static int migrate_irq_remapped_level_desc(struct irq_desc *desc)
         }
 
         /* everthing is clear. we have right of way */
-        migrate_ioapic_irq_desc(desc, &desc->pending_mask);
+        migrate_ioapic_irq_desc(desc, desc->pending_mask);
 
         ret = 0;
         desc->status &= ~IRQ_MOVE_PENDING;
-        cpumask_clear(&desc->pending_mask);
+        cpumask_clear(desc->pending_mask);
 
 unmask:
         unmask_IO_APIC_irq_desc(desc);
@@ -2434,7 +2433,7 @@ static void ir_irq_migration(struct work_struct *work)
                                 continue;
                         }
 
-                        desc->chip->set_affinity(irq, &desc->pending_mask);
+                        desc->chip->set_affinity(irq, desc->pending_mask);
                         spin_unlock_irqrestore(&desc->lock, flags);
                 }
         }
@@ -2448,7 +2447,7 @@ static void set_ir_ioapic_affinity_irq_desc(struct irq_desc *desc,
 {
         if (desc->status & IRQ_LEVEL) {
                 desc->status |= IRQ_MOVE_PENDING;
-                cpumask_copy(&desc->pending_mask, mask);
+                cpumask_copy(desc->pending_mask, mask);
                 migrate_irq_remapped_level_desc(desc);
                 return;
         }
@@ -2516,7 +2515,7 @@ static void irq_complete_move(struct irq_desc **descp)
 
                 /* domain has not changed, but affinity did */
                 me = smp_processor_id();
-                if (cpu_isset(me, desc->affinity)) {
+                if (cpumask_test_cpu(me, desc->affinity)) {
                         *descp = desc = move_irq_desc(desc, me);
                         /* get the new one */
                         cfg = desc->chip_data;
@@ -3117,8 +3116,8 @@ static int ioapic_resume(struct sys_device *dev)
 
         spin_lock_irqsave(&ioapic_lock, flags);
         reg_00.raw = io_apic_read(dev->id, 0);
-        if (reg_00.bits.ID != mp_ioapics[dev->id].mp_apicid) {
-                reg_00.bits.ID = mp_ioapics[dev->id].mp_apicid;
+        if (reg_00.bits.ID != mp_ioapics[dev->id].apicid) {
+                reg_00.bits.ID = mp_ioapics[dev->id].apicid;
                 io_apic_write(dev->id, 0, reg_00.raw);
         }
         spin_unlock_irqrestore(&ioapic_lock, flags);
@@ -3183,7 +3182,7 @@ unsigned int create_irq_nr(unsigned int irq_want)
 
         irq = 0;
         spin_lock_irqsave(&vector_lock, flags);
-        for (new = irq_want; new < NR_IRQS; new++) {
+        for (new = irq_want; new < nr_irqs; new++) {
                 if (platform_legacy_irq(new))
                         continue;
 
@@ -3258,6 +3257,9 @@ static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_ms
         int err;
         unsigned dest;
 
+        if (disable_apic)
+                return -ENXIO;
+
         cfg = irq_cfg(irq);
         err = assign_irq_vector(irq, cfg, TARGET_CPUS);
         if (err)
@@ -3726,6 +3728,9 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev)
         struct irq_cfg *cfg;
         int err;
 
+        if (disable_apic)
+                return -ENXIO;
+
         cfg = irq_cfg(irq);
         err = assign_irq_vector(irq, cfg, TARGET_CPUS);
         if (!err) {
@@ -3850,6 +3855,22 @@ void __init probe_nr_irqs_gsi(void)
                 nr_irqs_gsi = nr;
 }
 
+#ifdef CONFIG_SPARSE_IRQ
+int __init arch_probe_nr_irqs(void)
+{
+        int nr;
+
+        nr = ((8 * nr_cpu_ids) > (32 * nr_ioapics) ?
+                (NR_VECTORS + (8 * nr_cpu_ids)) :
+                (NR_VECTORS + (32 * nr_ioapics)));
+
+        if (nr < nr_irqs && nr > nr_irqs_gsi)
+                nr_irqs = nr;
+
+        return 0;
+}
+#endif
+
 /* --------------------------------------------------------------------------
                           ACPI-based IOAPIC Configuration
    -------------------------------------------------------------------------- */
@@ -3984,8 +4005,8 @@ int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity)
                 return -1;
 
         for (i = 0; i < mp_irq_entries; i++)
-                if (mp_irqs[i].mp_irqtype == mp_INT &&
-                    mp_irqs[i].mp_srcbusirq == bus_irq)
+                if (mp_irqs[i].irqtype == mp_INT &&
+                    mp_irqs[i].srcbusirq == bus_irq)
                         break;
         if (i >= mp_irq_entries)
                 return -1;
@@ -4039,7 +4060,7 @@ void __init setup_ioapic_dest(void)
                          */
                         if (desc->status &
                             (IRQ_NO_BALANCING | IRQ_AFFINITY_SET))
-                                mask = &desc->affinity;
+                                mask = desc->affinity;
                         else
                                 mask = TARGET_CPUS;
 
@@ -4100,7 +4121,7 @@ void __init ioapic_init_mappings(void)
         ioapic_res = ioapic_setup_resources();
         for (i = 0; i < nr_ioapics; i++) {
                 if (smp_found_config) {
-                        ioapic_phys = mp_ioapics[i].mp_apicaddr;
+                        ioapic_phys = mp_ioapics[i].apicaddr;
 #ifdef CONFIG_X86_32
                         if (!ioapic_phys) {
                                 printk(KERN_ERR