Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (38 commits) x86: Move get/set_wallclock to x86_platform_ops x86: platform: Fix section annotations x86: apic namespace cleanup x86: Distangle ioapic and i8259 x86: Add Moorestown early detection x86: Add hardware_subarch ID for Moorestown x86: Add early platform detection x86: Move tsc_init to late_time_init x86: Move tsc_calibration to x86_init_ops x86: Replace the now identical time_32/64.c by time.c x86: time_32/64.c unify profile_pc x86: Move calibrate_cpu to tsc.c x86: Make timer setup and global variables the same in time_32/64.c x86: Remove mca bus ifdef from timer interrupt x86: Simplify timer_ack magic in time_32.c x86: Prepare unification of time_32/64.c x86: Remove do_timer hook x86: Add timer_init to x86_init_ops x86: Move percpu clockevents setup to x86_init_ops x86: Move xen_post_allocator_init into xen_pagetable_setup_done ... Fix up conflicts in arch/x86/include/asm/io_apic.h
This commit is contained in:
@ -96,6 +96,11 @@ struct mpc_intsrc mp_irqs[MAX_IRQ_SOURCES];
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/* # of MP IRQ source entries */
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int mp_irq_entries;
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/* Number of legacy interrupts */
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static int nr_legacy_irqs __read_mostly = NR_IRQS_LEGACY;
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/* GSI interrupts */
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static int nr_irqs_gsi = NR_IRQS_LEGACY;
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#if defined (CONFIG_MCA) || defined (CONFIG_EISA)
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int mp_bus_id_to_type[MAX_MP_BUSSES];
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#endif
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@ -173,6 +178,12 @@ static struct irq_cfg irq_cfgx[NR_IRQS] = {
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[15] = { .vector = IRQ15_VECTOR, },
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};
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void __init io_apic_disable_legacy(void)
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{
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nr_legacy_irqs = 0;
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nr_irqs_gsi = 0;
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}
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int __init arch_early_irq_init(void)
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{
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struct irq_cfg *cfg;
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@ -190,7 +201,7 @@ int __init arch_early_irq_init(void)
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desc->chip_data = &cfg[i];
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zalloc_cpumask_var_node(&cfg[i].domain, GFP_NOWAIT, node);
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zalloc_cpumask_var_node(&cfg[i].old_domain, GFP_NOWAIT, node);
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if (i < NR_IRQS_LEGACY)
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if (i < nr_legacy_irqs)
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cpumask_setall(cfg[i].domain);
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}
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@ -867,7 +878,7 @@ static int __init find_isa_irq_apic(int irq, int type)
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*/
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static int EISA_ELCR(unsigned int irq)
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{
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if (irq < NR_IRQS_LEGACY) {
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if (irq < nr_legacy_irqs) {
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unsigned int port = 0x4d0 + (irq >> 3);
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return (inb(port) >> (irq & 7)) & 1;
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}
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@ -1464,7 +1475,7 @@ static void setup_IO_APIC_irq(int apic_id, int pin, unsigned int irq, struct irq
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}
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ioapic_register_intr(irq, desc, trigger);
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if (irq < NR_IRQS_LEGACY)
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if (irq < nr_legacy_irqs)
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disable_8259A_irq(irq);
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ioapic_write_entry(apic_id, pin, entry);
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@ -1831,7 +1842,7 @@ __apicdebuginit(void) print_PIC(void)
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unsigned int v;
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unsigned long flags;
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if (apic_verbosity == APIC_QUIET)
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if (apic_verbosity == APIC_QUIET || !nr_legacy_irqs)
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return;
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printk(KERN_DEBUG "\nprinting PIC contents\n");
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@ -1894,6 +1905,10 @@ void __init enable_IO_APIC(void)
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spin_unlock_irqrestore(&ioapic_lock, flags);
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nr_ioapic_registers[apic] = reg_01.bits.entries+1;
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}
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if (!nr_legacy_irqs)
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return;
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for(apic = 0; apic < nr_ioapics; apic++) {
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int pin;
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/* See if any of the pins is in ExtINT mode */
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@ -1948,6 +1963,9 @@ void disable_IO_APIC(void)
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*/
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clear_IO_APIC();
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if (!nr_legacy_irqs)
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return;
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/*
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* If the i8259 is routed through an IOAPIC
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* Put that IOAPIC in virtual wire mode
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@ -1994,7 +2012,7 @@ void disable_IO_APIC(void)
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* by Matt Domsch <Matt_Domsch@dell.com> Tue Dec 21 12:25:05 CST 1999
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*/
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static void __init setup_ioapic_ids_from_mpc(void)
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void __init setup_ioapic_ids_from_mpc(void)
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{
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union IO_APIC_reg_00 reg_00;
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physid_mask_t phys_id_present_map;
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@ -2003,9 +2021,8 @@ static void __init setup_ioapic_ids_from_mpc(void)
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unsigned char old_id;
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unsigned long flags;
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if (x86_quirks->setup_ioapic_ids && x86_quirks->setup_ioapic_ids())
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if (acpi_ioapic)
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return;
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/*
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* Don't check I/O APIC IDs for xAPIC systems. They have
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* no meaning without the serial APIC bus.
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@ -2179,7 +2196,7 @@ static unsigned int startup_ioapic_irq(unsigned int irq)
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struct irq_cfg *cfg;
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spin_lock_irqsave(&ioapic_lock, flags);
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if (irq < NR_IRQS_LEGACY) {
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if (irq < nr_legacy_irqs) {
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disable_8259A_irq(irq);
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if (i8259A_irq_pending(irq))
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was_pending = 1;
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@ -2657,7 +2674,7 @@ static inline void init_IO_APIC_traps(void)
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* so default to an old-fashioned 8259
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* interrupt if we can..
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*/
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if (irq < NR_IRQS_LEGACY)
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if (irq < nr_legacy_irqs)
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make_8259A_irq(irq);
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else
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/* Strange. Oh, well.. */
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@ -2993,7 +3010,7 @@ out:
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* the I/O APIC in all cases now. No actual device should request
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* it anyway. --macro
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*/
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#define PIC_IRQS (1 << PIC_CASCADE_IR)
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#define PIC_IRQS (1UL << PIC_CASCADE_IR)
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void __init setup_IO_APIC(void)
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{
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@ -3001,21 +3018,19 @@ void __init setup_IO_APIC(void)
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/*
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* calling enable_IO_APIC() is moved to setup_local_APIC for BP
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*/
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io_apic_irqs = ~PIC_IRQS;
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io_apic_irqs = nr_legacy_irqs ? ~PIC_IRQS : ~0UL;
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apic_printk(APIC_VERBOSE, "ENABLING IO-APIC IRQs\n");
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/*
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* Set up IO-APIC IRQ routing.
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*/
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#ifdef CONFIG_X86_32
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if (!acpi_ioapic)
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setup_ioapic_ids_from_mpc();
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#endif
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x86_init.mpparse.setup_ioapic_ids();
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sync_Arb_IDs();
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setup_IO_APIC_irqs();
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init_IO_APIC_traps();
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check_timer();
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if (nr_legacy_irqs)
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check_timer();
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}
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/*
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@ -3116,7 +3131,6 @@ static int __init ioapic_init_sysfs(void)
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device_initcall(ioapic_init_sysfs);
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static int nr_irqs_gsi = NR_IRQS_LEGACY;
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/*
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* Dynamic irq allocate and deallocation
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*/
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@ -3856,7 +3870,7 @@ static int __io_apic_set_pci_routing(struct device *dev, int irq,
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/*
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* IRQs < 16 are already in the irq_2_pin[] map
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*/
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if (irq >= NR_IRQS_LEGACY) {
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if (irq >= nr_legacy_irqs) {
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cfg = desc->chip_data;
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if (add_pin_to_irq_node_nopanic(cfg, node, ioapic, pin)) {
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printk(KERN_INFO "can not add pin %d for irq %d\n",
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