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x86/irq: Remove function apic_set_affinity() 

Now there's no user of apic_set_affinity(), so remove it.  Also rename
vector_set_affinity() to apic_set_affinity() for consistency.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Tested-by: Joerg Roedel <jroedel@suse.de>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: David Cohen <david.a.cohen@linux.intel.com>
Cc: Sander Eikelenboom <linux@eikelenboom.it>
Cc: David Vrabel <david.vrabel@citrix.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dimitri Sivanich <sivanich@sgi.com>
Link: http://lkml.kernel.org/r/1428978610-28986-25-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Jiang Liu 2015-04-14 10:30:01 +08:00 committed by Thomas Gleixner
parent f970510cc5
commit 68f9f4404d
2 changed files with 3 additions and 39 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/x86/include/asm/hw_irq.h
View File

@ -198,8 +198,6 @@ static inline void irq_complete_move(struct irq_cfg *c) { }
#endif
extern void apic_ack_edge(struct irq_data *data);
extern int apic_set_affinity(struct irq_data *data, const struct cpumask *mask,
unsigned int *dest_id);
#else /* CONFIG_X86_LOCAL_APIC */
static inline void lock_vector_lock(void) {}
static inline void unlock_vector_lock(void) {}

40
arch/x86/kernel/apic/vector.c
View File

@ -463,42 +463,8 @@ void apic_ack_edge(struct irq_data *data)
ack_APIC_irq();
}
/*
* Either sets data->affinity to a valid value, and returns
* ->cpu_mask_to_apicid of that in dest_id, or returns -1 and
* leaves data->affinity untouched.
*/
int apic_set_affinity(struct irq_data *data, const struct cpumask *mask,
unsigned int *dest_id)
{
struct irq_cfg *cfg = irqd_cfg(data);
unsigned int irq = data->irq;
int err;
if (!config_enabled(CONFIG_SMP))
return -EPERM;
if (!cpumask_intersects(mask, cpu_online_mask))
return -EINVAL;
err = assign_irq_vector(irq, cfg, mask);
if (err)
return err;
err = apic->cpu_mask_to_apicid_and(mask, cfg->domain, dest_id);
if (err) {
if (assign_irq_vector(irq, cfg, data->affinity))
pr_err("Failed to recover vector for irq %d\n", irq);
return err;
}
cpumask_copy(data->affinity, mask);
return 0;
}
static int vector_set_affinity(struct irq_data *irq_data,
const struct cpumask *dest, bool force)
static int apic_set_affinity(struct irq_data *irq_data,
const struct cpumask *dest, bool force)
{
struct irq_cfg *cfg = irq_data->chip_data;
int err, irq = irq_data->irq;
@ -523,7 +489,7 @@ static int vector_set_affinity(struct irq_data *irq_data,
static struct irq_chip lapic_controller = {
.irq_ack = apic_ack_edge,
.irq_set_affinity = vector_set_affinity,
.irq_set_affinity = apic_set_affinity,
.irq_retrigger = apic_retrigger_irq,
};