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Diffstat (limited to 'arch/x86/kernel/apic/io_apic.c')
-rw-r--r--arch/x86/kernel/apic/io_apic.c87
1 files changed, 24 insertions, 63 deletions
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 7cc0a72..f6cd5b4 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -54,7 +54,6 @@
#include <asm/dma.h>
#include <asm/timer.h>
#include <asm/i8259.h>
-#include <asm/nmi.h>
#include <asm/msidef.h>
#include <asm/hypertransport.h>
#include <asm/setup.h>
@@ -1934,8 +1933,7 @@ void disable_IO_APIC(void)
*
* by Matt Domsch <Matt_Domsch@dell.com> Tue Dec 21 12:25:05 CST 1999
*/
-
-void __init setup_ioapic_ids_from_mpc(void)
+void __init setup_ioapic_ids_from_mpc_nocheck(void)
{
union IO_APIC_reg_00 reg_00;
physid_mask_t phys_id_present_map;
@@ -1944,15 +1942,6 @@ void __init setup_ioapic_ids_from_mpc(void)
unsigned char old_id;
unsigned long flags;
- if (acpi_ioapic)
- return;
- /*
- * Don't check I/O APIC IDs for xAPIC systems. They have
- * no meaning without the serial APIC bus.
- */
- if (!(boot_cpu_data.x86_vendor == X86_VENDOR_INTEL)
- || APIC_XAPIC(apic_version[boot_cpu_physical_apicid]))
- return;
/*
* This is broken; anything with a real cpu count has to
* circumvent this idiocy regardless.
@@ -2006,7 +1995,6 @@ void __init setup_ioapic_ids_from_mpc(void)
physids_or(phys_id_present_map, phys_id_present_map, tmp);
}
-
/*
* We need to adjust the IRQ routing table
* if the ID changed.
@@ -2042,6 +2030,21 @@ void __init setup_ioapic_ids_from_mpc(void)
apic_printk(APIC_VERBOSE, " ok.\n");
}
}
+
+void __init setup_ioapic_ids_from_mpc(void)
+{
+
+ if (acpi_ioapic)
+ return;
+ /*
+ * Don't check I/O APIC IDs for xAPIC systems. They have
+ * no meaning without the serial APIC bus.
+ */
+ if (!(boot_cpu_data.x86_vendor == X86_VENDOR_INTEL)
+ || APIC_XAPIC(apic_version[boot_cpu_physical_apicid]))
+ return;
+ setup_ioapic_ids_from_mpc_nocheck();
+}
#endif
int no_timer_check __initdata;
@@ -2430,13 +2433,12 @@ static void ack_apic_level(struct irq_data *data)
{
struct irq_cfg *cfg = data->chip_data;
int i, do_unmask_irq = 0, irq = data->irq;
- struct irq_desc *desc = irq_to_desc(irq);
unsigned long v;
irq_complete_move(cfg);
#ifdef CONFIG_GENERIC_PENDING_IRQ
/* If we are moving the irq we need to mask it */
- if (unlikely(desc->status & IRQ_MOVE_PENDING)) {
+ if (unlikely(irq_to_desc(irq)->status & IRQ_MOVE_PENDING)) {
do_unmask_irq = 1;
mask_ioapic(cfg);
}
@@ -2643,24 +2645,6 @@ static void lapic_register_intr(int irq)
"edge");
}
-static void __init setup_nmi(void)
-{
- /*
- * Dirty trick to enable the NMI watchdog ...
- * We put the 8259A master into AEOI mode and
- * unmask on all local APICs LVT0 as NMI.
- *
- * The idea to use the 8259A in AEOI mode ('8259A Virtual Wire')
- * is from Maciej W. Rozycki - so we do not have to EOI from
- * the NMI handler or the timer interrupt.
- */
- apic_printk(APIC_VERBOSE, KERN_INFO "activating NMI Watchdog ...");
-
- enable_NMI_through_LVT0();
-
- apic_printk(APIC_VERBOSE, " done.\n");
-}
-
/*
* This looks a bit hackish but it's about the only one way of sending
* a few INTA cycles to 8259As and any associated glue logic. ICR does
@@ -2766,15 +2750,6 @@ static inline void __init check_timer(void)
*/
apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT);
legacy_pic->init(1);
-#ifdef CONFIG_X86_32
- {
- unsigned int ver;
-
- ver = apic_read(APIC_LVR);
- ver = GET_APIC_VERSION(ver);
- timer_ack = (nmi_watchdog == NMI_IO_APIC && !APIC_INTEGRATED(ver));
- }
-#endif
pin1 = find_isa_irq_pin(0, mp_INT);
apic1 = find_isa_irq_apic(0, mp_INT);
@@ -2822,10 +2797,6 @@ static inline void __init check_timer(void)
unmask_ioapic(cfg);
}
if (timer_irq_works()) {
- if (nmi_watchdog == NMI_IO_APIC) {
- setup_nmi();
- legacy_pic->unmask(0);
- }
if (disable_timer_pin_1 > 0)
clear_IO_APIC_pin(0, pin1);
goto out;
@@ -2851,11 +2822,6 @@ static inline void __init check_timer(void)
if (timer_irq_works()) {
apic_printk(APIC_QUIET, KERN_INFO "....... works.\n");
timer_through_8259 = 1;
- if (nmi_watchdog == NMI_IO_APIC) {
- legacy_pic->mask(0);
- setup_nmi();
- legacy_pic->unmask(0);
- }
goto out;
}
/*
@@ -2867,15 +2833,6 @@ static inline void __init check_timer(void)
apic_printk(APIC_QUIET, KERN_INFO "....... failed.\n");
}
- if (nmi_watchdog == NMI_IO_APIC) {
- apic_printk(APIC_QUIET, KERN_WARNING "timer doesn't work "
- "through the IO-APIC - disabling NMI Watchdog!\n");
- nmi_watchdog = NMI_NONE;
- }
-#ifdef CONFIG_X86_32
- timer_ack = 0;
-#endif
-
apic_printk(APIC_QUIET, KERN_INFO
"...trying to set up timer as Virtual Wire IRQ...\n");
@@ -3413,6 +3370,7 @@ dmar_msi_set_affinity(struct irq_data *data, const struct cpumask *mask,
msg.data |= MSI_DATA_VECTOR(cfg->vector);
msg.address_lo &= ~MSI_ADDR_DEST_ID_MASK;
msg.address_lo |= MSI_ADDR_DEST_ID(dest);
+ msg.address_hi = MSI_ADDR_BASE_HI | MSI_ADDR_EXT_DEST_ID(dest);
dmar_msi_write(irq, &msg);
@@ -3639,7 +3597,7 @@ int __init io_apic_get_redir_entries (int ioapic)
return reg_01.bits.entries + 1;
}
-void __init probe_nr_irqs_gsi(void)
+static void __init probe_nr_irqs_gsi(void)
{
int nr;
@@ -3956,7 +3914,7 @@ static struct resource * __init ioapic_setup_resources(int nr_ioapics)
return res;
}
-void __init ioapic_init_mappings(void)
+void __init ioapic_and_gsi_init(void)
{
unsigned long ioapic_phys, idx = FIX_IO_APIC_BASE_0;
struct resource *ioapic_res;
@@ -3994,6 +3952,8 @@ fake_ioapic_page:
ioapic_res->end = ioapic_phys + IO_APIC_SLOT_SIZE - 1;
ioapic_res++;
}
+
+ probe_nr_irqs_gsi();
}
void __init ioapic_insert_resources(void)
@@ -4103,7 +4063,8 @@ void __init pre_init_apic_IRQ0(void)
printk(KERN_INFO "Early APIC setup for system timer0\n");
#ifndef CONFIG_SMP
- phys_cpu_present_map = physid_mask_of_physid(boot_cpu_physical_apicid);
+ physid_set_mask_of_physid(boot_cpu_physical_apicid,
+ &phys_cpu_present_map);
#endif
/* Make sure the irq descriptor is set up */
cfg = alloc_irq_and_cfg_at(0, 0);
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