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x86, io_apic: Introduce set_affinity function pointer

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With interrupt remapping a special function is used to
change the affinity of an IO-APIC interrupt. Abstract this
with a function pointer.

Signed-off-by: Joerg Roedel <joro@8bytes.org>
Acked-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Joerg Roedel
2012-09-26 12:44:39 +02:00
parent 5afba62cc8
commit 373dd7a27f
6 changed files with 22 additions and 19 deletions
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9
arch/x86/include/asm/irq_remapping.h
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@@ -40,9 +40,6 @@ extern int setup_ioapic_remapped_entry(int irq,
unsigned int destination,
int vector,
struct io_apic_irq_attr *attr);
extern int set_remapped_irq_affinity(struct irq_data *data,
const struct cpumask *mask,
bool force);
extern void free_remapped_irq(int irq);
extern void compose_remapped_msi_msg(struct pci_dev *pdev,
unsigned int irq, unsigned int dest,
@@ -68,12 +65,6 @@ static inline int setup_ioapic_remapped_entry(int irq,
{
return -ENODEV;
}
static inline int set_remapped_irq_affinity(struct irq_data *data,
const struct cpumask *mask,
bool force)
{
return 0;
}
static inline void free_remapped_irq(int irq) { }
static inline void compose_remapped_msi_msg(struct pci_dev *pdev,
unsigned int irq, unsigned int dest,