Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git

11 files changed, 105 insertions, 56 deletions

diff --git a/include/asm-i386/msi.h b/include/asm-i386/msi.h
index b85393094c83..f041d4495faf 100644
--- a/include/asm-i386/msi.h
+++ b/include/asm-i386/msi.h
@@ -10,13 +10,6 @@
 #include <mach_apic.h>
 
 #define LAST_DEVICE_VECTOR              232
-#define MSI_DEST_MODE                   MSI_LOGICAL_MODE
-#define MSI_TARGET_CPU_SHIFT            12
-
-#ifdef CONFIG_SMP
-#define MSI_TARGET_CPU          logical_smp_processor_id()
-#else
-#define MSI_TARGET_CPU  cpu_to_logical_apicid(first_cpu(cpu_online_map))
-#endif
+#define MSI_TARGET_CPU_SHIFT    12
 
 #endif /* ASM_MSI_H */
diff --git a/include/asm-i386/smp.h b/include/asm-i386/smp.h
index 13250199976d..61d3ab9db70c 100644
--- a/include/asm-i386/smp.h
+++ b/include/asm-i386/smp.h
@@ -45,6 +45,8 @@ extern void unlock_ipi_call_lock(void);
 #define MAX_APICID 256
 extern u8 x86_cpu_to_apicid[];
 
+#define cpu_physical_id(cpu)    x86_cpu_to_apicid[cpu]
+
 #ifdef CONFIG_HOTPLUG_CPU
 extern void cpu_exit_clear(void);
 extern void cpu_uninit(void);
@@ -92,6 +94,10 @@ extern int __cpu_disable(void);
 extern void __cpu_die(unsigned int cpu);
 #endif /* !__ASSEMBLY__ */
 
+#else /* CONFIG_SMP */
+
+#define cpu_physical_id(cpu)            boot_cpu_physical_apicid
+
 #define NO_PROC_ID              0xFF            /* No processor magic marker */
 
 #endif
diff --git a/include/asm-ia64/kdebug.h b/include/asm-ia64/kdebug.h
index 4d376e1663f7..8b01a083dde6 100644
--- a/include/asm-ia64/kdebug.h
+++ b/include/asm-ia64/kdebug.h
@@ -22,6 +22,9 @@
  * 2005-Apr     Rusty Lynch <rusty.lynch@intel.com> and Anil S Keshavamurthy
  *              <anil.s.keshavamurthy@intel.com> adopted from
  *              include/asm-x86_64/kdebug.h
+ *
+ * 2005-Oct     Keith Owens <kaos@sgi.com>.  Expand notify_die to cover more
+ *              events.
  */
 #include <linux/notifier.h>
 
@@ -35,13 +38,36 @@ struct die_args {
         int signr;
 };
 
-int register_die_notifier(struct notifier_block *nb);
+extern int register_die_notifier(struct notifier_block *);
+extern int unregister_die_notifier(struct notifier_block *);
 extern struct notifier_block *ia64die_chain;
 
 enum die_val {
         DIE_BREAK = 1,
-        DIE_SS,
+        DIE_FAULT,
+        DIE_OOPS,
         DIE_PAGE_FAULT,
+        DIE_MACHINE_HALT,
+        DIE_MACHINE_RESTART,
+        DIE_MCA_MONARCH_ENTER,
+        DIE_MCA_MONARCH_PROCESS,
+        DIE_MCA_MONARCH_LEAVE,
+        DIE_MCA_SLAVE_ENTER,
+        DIE_MCA_SLAVE_PROCESS,
+        DIE_MCA_SLAVE_LEAVE,
+        DIE_MCA_RENDZVOUS_ENTER,
+        DIE_MCA_RENDZVOUS_PROCESS,
+        DIE_MCA_RENDZVOUS_LEAVE,
+        DIE_INIT_MONARCH_ENTER,
+        DIE_INIT_MONARCH_PROCESS,
+        DIE_INIT_MONARCH_LEAVE,
+        DIE_INIT_SLAVE_ENTER,
+        DIE_INIT_SLAVE_PROCESS,
+        DIE_INIT_SLAVE_LEAVE,
+        DIE_KDEBUG_ENTER,
+        DIE_KDEBUG_LEAVE,
+        DIE_KDUMP_ENTER,
+        DIE_KDUMP_LEAVE,
 };
 
 static inline int notify_die(enum die_val val, char *str, struct pt_regs *regs,
diff --git a/include/asm-ia64/mmu_context.h b/include/asm-ia64/mmu_context.h
index 8d6e72f7b08e..b5c65081a3aa 100644
--- a/include/asm-ia64/mmu_context.h
+++ b/include/asm-ia64/mmu_context.h
@@ -7,12 +7,13 @@
  */
 
 /*
- * Routines to manage the allocation of task context numbers.  Task context numbers are
- * used to reduce or eliminate the need to perform TLB flushes due to context switches.
- * Context numbers are implemented using ia-64 region ids.  Since the IA-64 TLB does not
- * consider the region number when performing a TLB lookup, we need to assign a unique
- * region id to each region in a process.  We use the least significant three bits in a
- * region id for this purpose.
+ * Routines to manage the allocation of task context numbers.  Task context
+ * numbers are used to reduce or eliminate the need to perform TLB flushes
+ * due to context switches.  Context numbers are implemented using ia-64
+ * region ids.  Since the IA-64 TLB does not consider the region number when
+ * performing a TLB lookup, we need to assign a unique region id to each
+ * region in a process.  We use the least significant three bits in aregion
+ * id for this purpose.
  */
 
 #define IA64_REGION_ID_KERNEL   0 /* the kernel's region id (tlb.c depends on this being 0) */
@@ -32,13 +33,17 @@
 struct ia64_ctx {
         spinlock_t lock;
         unsigned int next;      /* next context number to use */
-        unsigned int limit;     /* next >= limit => must call wrap_mmu_context() */
-        unsigned int max_ctx;   /* max. context value supported by all CPUs */
+        unsigned int limit;     /* available free range */
+        unsigned int max_ctx;   /* max. context value supported by all CPUs */
+                                /* call wrap_mmu_context when next >= max */
+        unsigned long *bitmap;  /* bitmap size is max_ctx+1 */
+        unsigned long *flushmap;/* pending rid to be flushed */
 };
 
 extern struct ia64_ctx ia64_ctx;
 DECLARE_PER_CPU(u8, ia64_need_tlb_flush);
 
+extern void mmu_context_init (void);
 extern void wrap_mmu_context (struct mm_struct *mm);
 
 static inline void
@@ -47,10 +52,10 @@ enter_lazy_tlb (struct mm_struct *mm, struct task_struct *tsk)
 }
 
 /*
- * When the context counter wraps around all TLBs need to be flushed because an old
- * context number might have been reused. This is signalled by the ia64_need_tlb_flush
- * per-CPU variable, which is checked in the routine below. Called by activate_mm().
- * <efocht@ess.nec.de>
+ * When the context counter wraps around all TLBs need to be flushed because
+ * an old context number might have been reused. This is signalled by the
+ * ia64_need_tlb_flush per-CPU variable, which is checked in the routine
+ * below. Called by activate_mm(). <efocht@ess.nec.de>
  */
 static inline void
 delayed_tlb_flush (void)
@@ -60,11 +65,9 @@ delayed_tlb_flush (void)
 
         if (unlikely(__ia64_per_cpu_var(ia64_need_tlb_flush))) {
                 spin_lock_irqsave(&ia64_ctx.lock, flags);
-                {
-                        if (__ia64_per_cpu_var(ia64_need_tlb_flush)) {
-                                local_flush_tlb_all();
-                                __ia64_per_cpu_var(ia64_need_tlb_flush) = 0;
-                        }
+                if (__ia64_per_cpu_var(ia64_need_tlb_flush)) {
+                        local_flush_tlb_all();
+                        __ia64_per_cpu_var(ia64_need_tlb_flush) = 0;
                 }
                 spin_unlock_irqrestore(&ia64_ctx.lock, flags);
         }
@@ -76,20 +79,27 @@ get_mmu_context (struct mm_struct *mm)
         unsigned long flags;
         nv_mm_context_t context = mm->context;
 
-        if (unlikely(!context)) {
-                spin_lock_irqsave(&ia64_ctx.lock, flags);
-                {
-                        /* re-check, now that we've got the lock: */
-                        context = mm->context;
-                        if (context == 0) {
-                                cpus_clear(mm->cpu_vm_mask);
-                                if (ia64_ctx.next >= ia64_ctx.limit)
-                                        wrap_mmu_context(mm);
-                                mm->context = context = ia64_ctx.next++;
-                        }
+        if (likely(context))
+                goto out;
+
+        spin_lock_irqsave(&ia64_ctx.lock, flags);
+        /* re-check, now that we've got the lock: */
+        context = mm->context;
+        if (context == 0) {
+                cpus_clear(mm->cpu_vm_mask);
+                if (ia64_ctx.next >= ia64_ctx.limit) {
+                        ia64_ctx.next = find_next_zero_bit(ia64_ctx.bitmap,
+                                        ia64_ctx.max_ctx, ia64_ctx.next);
+                        ia64_ctx.limit = find_next_bit(ia64_ctx.bitmap,
+                                        ia64_ctx.max_ctx, ia64_ctx.next);
+                        if (ia64_ctx.next >= ia64_ctx.max_ctx)
+                                wrap_mmu_context(mm);
                 }
-                spin_unlock_irqrestore(&ia64_ctx.lock, flags);
+                mm->context = context = ia64_ctx.next++;
+                __set_bit(context, ia64_ctx.bitmap);
         }
+        spin_unlock_irqrestore(&ia64_ctx.lock, flags);
+out:
         /*
          * Ensure we're not starting to use "context" before any old
          * uses of it are gone from our TLB.
@@ -100,8 +110,8 @@ get_mmu_context (struct mm_struct *mm)
 }
 
 /*
- * Initialize context number to some sane value.  MM is guaranteed to be a brand-new
- * address-space, so no TLB flushing is needed, ever.
+ * Initialize context number to some sane value.  MM is guaranteed to be a
+ * brand-new address-space, so no TLB flushing is needed, ever.
  */
 static inline int
 init_new_context (struct task_struct *p, struct mm_struct *mm)
@@ -162,7 +172,10 @@ activate_context (struct mm_struct *mm)
                 if (!cpu_isset(smp_processor_id(), mm->cpu_vm_mask))
                         cpu_set(smp_processor_id(), mm->cpu_vm_mask);
                 reload_context(context);
-                /* in the unlikely event of a TLB-flush by another thread, redo the load: */
+                /*
+                 * in the unlikely event of a TLB-flush by another thread,
+                 * redo the load.
+                 */
         } while (unlikely(context != mm->context));
 }
 
@@ -175,8 +188,8 @@ static inline void
 activate_mm (struct mm_struct *prev, struct mm_struct *next)
 {
         /*
-         * We may get interrupts here, but that's OK because interrupt handlers cannot
-         * touch user-space.
+         * We may get interrupts here, but that's OK because interrupt
+         * handlers cannot touch user-space.
          */
         ia64_set_kr(IA64_KR_PT_BASE, __pa(next->pgd));
         activate_context(next);
diff --git a/include/asm-ia64/msi.h b/include/asm-ia64/msi.h
index 60f2137f9278..97890f7762b3 100644
--- a/include/asm-ia64/msi.h
+++ b/include/asm-ia64/msi.h
@@ -12,9 +12,6 @@
 static inline void set_intr_gate (int nr, void *func) {}
 #define IO_APIC_VECTOR(irq)     (irq)
 #define ack_APIC_irq            ia64_eoi
-#define cpu_mask_to_apicid(mask) cpu_physical_id(first_cpu(mask))
-#define MSI_DEST_MODE           MSI_PHYSICAL_MODE
-#define MSI_TARGET_CPU  ((ia64_getreg(_IA64_REG_CR_LID) >> 16) & 0xffff)
 #define MSI_TARGET_CPU_SHIFT    4
 
 #endif /* ASM_MSI_H */
diff --git a/include/asm-ia64/tlbflush.h b/include/asm-ia64/tlbflush.h
index b65c62702724..a35b323bae4c 100644
--- a/include/asm-ia64/tlbflush.h
+++ b/include/asm-ia64/tlbflush.h
@@ -51,6 +51,7 @@ flush_tlb_mm (struct mm_struct *mm)
         if (!mm)
                 return;
 
+        set_bit(mm->context, ia64_ctx.flushmap);
         mm->context = 0;
 
         if (atomic_read(&mm->mm_users) == 0)
diff --git a/include/asm-x86_64/msi.h b/include/asm-x86_64/msi.h
index 85c427e472bf..356e0e82f50b 100644
--- a/include/asm-x86_64/msi.h
+++ b/include/asm-x86_64/msi.h
@@ -11,8 +11,6 @@
 #include <asm/smp.h>
 
 #define LAST_DEVICE_VECTOR              232
-#define MSI_DEST_MODE                   MSI_LOGICAL_MODE
-#define MSI_TARGET_CPU_SHIFT            12
-#define MSI_TARGET_CPU                  logical_smp_processor_id()
+#define MSI_TARGET_CPU_SHIFT    12
 
 #endif /* ASM_MSI_H */
diff --git a/include/asm-x86_64/smp.h b/include/asm-x86_64/smp.h
index c57ce4071342..b9fb2173ef99 100644
--- a/include/asm-x86_64/smp.h
+++ b/include/asm-x86_64/smp.h
@@ -135,5 +135,11 @@ static __inline int logical_smp_processor_id(void)
 }
 #endif
 
+#ifdef CONFIG_SMP
+#define cpu_physical_id(cpu)            x86_cpu_to_apicid[cpu]
+#else
+#define cpu_physical_id(cpu)            boot_cpu_id
+#endif
+
 #endif
 
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 77ae55d4c13c..ac8b25fa6506 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1329,7 +1329,8 @@ void ide_init_disk(struct gendisk *, ide_drive_t *);
 extern int ideprobe_init(void);
 
 extern void ide_scan_pcibus(int scan_direction) __init;
-extern int ide_pci_register_driver(struct pci_driver *driver);
+extern int __ide_pci_register_driver(struct pci_driver *driver, struct module *owner);
+#define ide_pci_register_driver(d) __ide_pci_register_driver(d, THIS_MODULE)
 extern void ide_pci_unregister_driver(struct pci_driver *driver);
 void ide_pci_setup_ports(struct pci_dev *, struct ide_pci_device_s *, int, ata_index_t *);
 extern void ide_setup_pci_noise (struct pci_dev *dev, struct ide_pci_device_s *d);
diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h
index 857126a36ecc..4877e35ae202 100644
--- a/include/linux/pci-acpi.h
+++ b/include/linux/pci-acpi.h
@@ -47,14 +47,15 @@
                                 OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL)
 
 #ifdef CONFIG_ACPI
-extern acpi_status pci_osc_control_set(u32 flags);
+extern acpi_status pci_osc_control_set(acpi_handle handle, u32 flags);
 extern acpi_status pci_osc_support_set(u32 flags);
 #else
 #if !defined(acpi_status)
 typedef u32             acpi_status;
 #define AE_ERROR        (acpi_status) (0x0001)
 #endif    
-static inline acpi_status pci_osc_control_set(u32 flags) {return AE_ERROR;}
+static inline acpi_status pci_osc_control_set(acpi_handle handle, u32 flags)
+{return AE_ERROR;}
 static inline acpi_status pci_osc_support_set(u32 flags) {return AE_ERROR;} 
 #endif
 
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 3596ac94ecff..de690ca73d58 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -236,7 +236,6 @@ struct module;
 struct pci_driver {
         struct list_head node;
         char *name;
-        struct module *owner;
         const struct pci_device_id *id_table;   /* must be non-NULL for probe to be called */
         int  (*probe)  (struct pci_dev *dev, const struct pci_device_id *id);   /* New device inserted */
         void (*remove) (struct pci_dev *dev);   /* Device removed (NULL if not a hot-plug capable driver) */
@@ -338,6 +337,7 @@ struct pci_dev *pci_find_device (unsigned int vendor, unsigned int device, const
 struct pci_dev *pci_find_device_reverse (unsigned int vendor, unsigned int device, const struct pci_dev *from);
 struct pci_dev *pci_find_slot (unsigned int bus, unsigned int devfn);
 int pci_find_capability (struct pci_dev *dev, int cap);
+int pci_find_next_capability (struct pci_dev *dev, u8 pos, int cap);
 int pci_find_ext_capability (struct pci_dev *dev, int cap);
 struct pci_bus * pci_find_next_bus(const struct pci_bus *from);
 
@@ -432,8 +432,13 @@ int pci_bus_alloc_resource(struct pci_bus *bus, struct resource *res,
                            void *alignf_data);
 void pci_enable_bridges(struct pci_bus *bus);
 
-/* New-style probing supporting hot-pluggable devices */
-int pci_register_driver(struct pci_driver *);
+/* Proper probing supporting hot-pluggable devices */
+int __pci_register_driver(struct pci_driver *, struct module *);
+static inline int pci_register_driver(struct pci_driver *driver)
+{
+        return __pci_register_driver(driver, THIS_MODULE);
+}
+
 void pci_unregister_driver(struct pci_driver *);
 void pci_remove_behind_bridge(struct pci_dev *);
 struct pci_driver *pci_dev_driver(const struct pci_dev *);
@@ -547,9 +552,11 @@ static inline int pci_enable_device(struct pci_dev *dev) { return -EIO; }
 static inline void pci_disable_device(struct pci_dev *dev) { }
 static inline int pci_set_dma_mask(struct pci_dev *dev, u64 mask) { return -EIO; }
 static inline int pci_assign_resource(struct pci_dev *dev, int i) { return -EBUSY;}
+static inline int __pci_register_driver(struct pci_driver *drv, struct module *owner) { return 0;}
 static inline int pci_register_driver(struct pci_driver *drv) { return 0;}
 static inline void pci_unregister_driver(struct pci_driver *drv) { }
 static inline int pci_find_capability (struct pci_dev *dev, int cap) {return 0; }
+static inline int pci_find_next_capability (struct pci_dev *dev, u8 post, int cap) { return 0; }
 static inline int pci_find_ext_capability (struct pci_dev *dev, int cap) {return 0; }
 static inline const struct pci_device_id *pci_match_device(const struct pci_device_id *ids, const struct pci_dev *dev) { return NULL; }