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yaml
---
r: 212216
b: refs/heads/master
c: 48b2650
h: refs/heads/master
v: v3
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Thomas Gleixner committed Oct 12, 2010
1 parent 7f8a725 commit 10081cd
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Showing 4 changed files with 21 additions and 39 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 1a8ce7ff68d777195da2d340561bda610e533a64
refs/heads/master: 48b2650196364e4ef124efb841b63c2326e4ccb2
1 change: 0 additions & 1 deletion trunk/arch/x86/include/asm/hw_irq.h
Original file line number Diff line number Diff line change
Expand Up @@ -101,7 +101,6 @@ struct irq_cfg {
#endif
};

extern struct irq_cfg *irq_cfg(unsigned int);
extern int assign_irq_vector(int, struct irq_cfg *, const struct cpumask *);
extern void send_cleanup_vector(struct irq_cfg *);

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2 changes: 1 addition & 1 deletion trunk/arch/x86/kernel/apic/io_apic.c
Original file line number Diff line number Diff line change
Expand Up @@ -178,7 +178,7 @@ int __init arch_early_irq_init(void)
}

#ifdef CONFIG_SPARSE_IRQ
struct irq_cfg *irq_cfg(unsigned int irq)
static struct irq_cfg *irq_cfg(unsigned int irq)
{
return get_irq_chip_data(irq);
}
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55 changes: 19 additions & 36 deletions trunk/arch/x86/kernel/uv_irq.c
Original file line number Diff line number Diff line change
Expand Up @@ -28,34 +28,21 @@ struct uv_irq_2_mmr_pnode{
static spinlock_t uv_irq_lock;
static struct rb_root uv_irq_root;

static int uv_set_irq_affinity(unsigned int, const struct cpumask *);
static int uv_set_irq_affinity(struct irq_data *, const struct cpumask *, bool);

static void uv_noop(unsigned int irq)
{
}

static unsigned int uv_noop_ret(unsigned int irq)
{
return 0;
}
static void uv_noop(struct irq_data *data) { }

static void uv_ack_apic(unsigned int irq)
static void uv_ack_apic(struct irq_data *data)
{
ack_APIC_irq();
}

static struct irq_chip uv_irq_chip = {
.name = "UV-CORE",
.startup = uv_noop_ret,
.shutdown = uv_noop,
.enable = uv_noop,
.disable = uv_noop,
.ack = uv_noop,
.mask = uv_noop,
.unmask = uv_noop,
.eoi = uv_ack_apic,
.end = uv_noop,
.set_affinity = uv_set_irq_affinity,
.name = "UV-CORE",
.irq_mask = uv_noop,
.irq_unmask = uv_noop,
.irq_eoi = uv_ack_apic,
.irq_set_affinity = uv_set_irq_affinity,
};

/*
Expand Down Expand Up @@ -144,26 +131,22 @@ arch_enable_uv_irq(char *irq_name, unsigned int irq, int cpu, int mmr_blade,
unsigned long mmr_offset, int limit)
{
const struct cpumask *eligible_cpu = cpumask_of(cpu);
struct irq_desc *desc = irq_to_desc(irq);
struct irq_cfg *cfg;
int mmr_pnode;
struct irq_cfg *cfg = get_irq_chip_data(irq);
unsigned long mmr_value;
struct uv_IO_APIC_route_entry *entry;
int err;
int mmr_pnode, err;

BUILD_BUG_ON(sizeof(struct uv_IO_APIC_route_entry) !=
sizeof(unsigned long));

cfg = irq_cfg(irq);

err = assign_irq_vector(irq, cfg, eligible_cpu);
if (err != 0)
return err;

if (limit == UV_AFFINITY_CPU)
desc->status |= IRQ_NO_BALANCING;
irq_set_status_flags(irq, IRQ_NO_BALANCING);
else
desc->status |= IRQ_MOVE_PCNTXT;
irq_set_status_flags(irq, IRQ_MOVE_PCNTXT);

set_irq_chip_and_handler_name(irq, &uv_irq_chip, handle_percpu_irq,
irq_name);
Expand Down Expand Up @@ -206,17 +189,17 @@ static void arch_disable_uv_irq(int mmr_pnode, unsigned long mmr_offset)
uv_write_global_mmr64(mmr_pnode, mmr_offset, mmr_value);
}

static int uv_set_irq_affinity(unsigned int irq, const struct cpumask *mask)
static int
uv_set_irq_affinity(struct irq_data *data, const struct cpumask *mask,
bool force)
{
struct irq_desc *desc = irq_to_desc(irq);
struct irq_cfg *cfg = get_irq_desc_chip_data(desc);
struct irq_cfg *cfg = data->chip_data;
unsigned int dest;
unsigned long mmr_value;
unsigned long mmr_value, mmr_offset;
struct uv_IO_APIC_route_entry *entry;
unsigned long mmr_offset;
int mmr_pnode;

if (__ioapic_set_affinity(&desc->irq_data, mask, &dest))
if (__ioapic_set_affinity(data, mask, &dest))
return -1;

mmr_value = 0;
Expand All @@ -231,7 +214,7 @@ static int uv_set_irq_affinity(unsigned int irq, const struct cpumask *mask)
entry->dest = dest;

/* Get previously stored MMR and pnode of hub sourcing interrupts */
if (uv_irq_2_mmr_info(irq, &mmr_offset, &mmr_pnode))
if (uv_irq_2_mmr_info(data->irq, &mmr_offset, &mmr_pnode))
return -1;

uv_write_global_mmr64(mmr_pnode, mmr_offset, mmr_value);
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