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[PATCH] irq: Remove set_native_irq_info

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This patch replaces all instances of "set_native_irq_info(irq, mask)"
with "irq_desc[irq].affinity = mask".  The latter form is clearer
uses fewer abstractions, and makes access to this field uniform
accross different architectures.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Eric W. Biederman 2007-02-23 04:13:55 -07:00 committed by Linus Torvalds
parent fc5d56f987
commit 9f0a5ba550
5 changed files with 12 additions and 23 deletions
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10
arch/i386/kernel/io_apic.c
View file

@ -343,7 +343,7 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t cpumask)
break;
entry = irq_2_pin + entry->next;
}
set_native_irq_info(irq, cpumask);
irq_desc[irq].affinity = cpumask;
spin_unlock_irqrestore(&ioapic_lock, flags);
}
@ -1354,7 +1354,7 @@ static void __init setup_IO_APIC_irqs(void)
}
spin_lock_irqsave(&ioapic_lock, flags);
__ioapic_write_entry(apic, pin, entry);
set_native_irq_info(irq, TARGET_CPUS);
irq_desc[irq].affinity = TARGET_CPUS;
spin_unlock_irqrestore(&ioapic_lock, flags);
}
}
@ -2585,7 +2585,7 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
msg.address_lo |= MSI_ADDR_DEST_ID(dest);
write_msi_msg(irq, &msg);
set_native_irq_info(irq, mask);
irq_desc[irq].affinity = mask;
}
#endif /* CONFIG_SMP */
@ -2669,7 +2669,7 @@ static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask)
dest = cpu_mask_to_apicid(mask);
target_ht_irq(irq, dest);
set_native_irq_info(irq, mask);
irq_desc[irq].affinity = mask;
}
#endif
@ -2875,7 +2875,7 @@ int io_apic_set_pci_routing (int ioapic, int pin, int irq, int edge_level, int a
spin_lock_irqsave(&ioapic_lock, flags);
__ioapic_write_entry(ioapic, pin, entry);
set_native_irq_info(irq, TARGET_CPUS);
irq_desc[irq].affinity = TARGET_CPUS;
spin_unlock_irqrestore(&ioapic_lock, flags);
return 0;

2
arch/ia64/kernel/msi_ia64.c
View file

@ -60,7 +60,7 @@ static void ia64_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask)
msg.address_lo = addr;
write_msi_msg(irq, &msg);
set_native_irq_info(irq, cpu_mask);
irq_desc[irq].affinity = cpu_mask;
}
#endif /* CONFIG_SMP */

2
arch/ia64/sn/kernel/msi_sn.c
View file

@ -204,7 +204,7 @@ static void sn_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask)
msg.address_lo = (u32)(bus_addr & 0x00000000ffffffff);
write_msi_msg(irq, &msg);
set_native_irq_info(irq, cpu_mask);
irq_desc[irq].affinity = cpu_mask;
}
#endif /* CONFIG_SMP */

10
arch/x86_64/kernel/io_apic.c
View file

@ -261,7 +261,7 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
spin_lock_irqsave(&ioapic_lock, flags);
__target_IO_APIC_irq(irq, dest, vector);
set_native_irq_info(irq, mask);
irq_desc[irq].affinity = mask;
spin_unlock_irqrestore(&ioapic_lock, flags);
}
#endif
@ -857,7 +857,7 @@ static void __init setup_IO_APIC_irq(int apic, int pin, int idx, int irq)
ioapic_write_entry(apic, pin, entry);
spin_lock_irqsave(&ioapic_lock, flags);
set_native_irq_info(irq, TARGET_CPUS);
irq_desc[irq].affinity = TARGET_CPUS;
spin_unlock_irqrestore(&ioapic_lock, flags);
}
@ -1930,7 +1930,7 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
msg.address_lo |= MSI_ADDR_DEST_ID(dest);
write_msi_msg(irq, &msg);
set_native_irq_info(irq, mask);
irq_desc[irq].affinity = mask;
}
#endif /* CONFIG_SMP */
@ -2018,7 +2018,7 @@ static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask)
dest = cpu_mask_to_apicid(tmp);
target_ht_irq(irq, dest, vector);
set_native_irq_info(irq, mask);
irq_desc[irq].affinity = mask;
}
#endif
@ -2143,7 +2143,7 @@ int io_apic_set_pci_routing (int ioapic, int pin, int irq, int triggering, int p
ioapic_write_entry(ioapic, pin, entry);
spin_lock_irqsave(&ioapic_lock, flags);
set_native_irq_info(irq, TARGET_CPUS);
irq_desc[irq].affinity = TARGET_CPUS;
spin_unlock_irqrestore(&ioapic_lock, flags);
return 0;

11
include/linux/irq.h
View file

@ -199,17 +199,6 @@ extern int setup_irq(unsigned int irq, struct irqaction *new);
# define handle_dynamic_tick(a) do { } while (0)
#endif
#ifdef CONFIG_SMP
static inline void set_native_irq_info(int irq, cpumask_t mask)
{
irq_desc[irq].affinity = mask;
}
#else
static inline void set_native_irq_info(int irq, cpumask_t mask)
{
}
#endif
#ifdef CONFIG_SMP
#if defined(CONFIG_GENERIC_PENDING_IRQ) || defined(CONFIG_IRQBALANCE)