diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2007-02-16 01:27:25 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-16 08:13:56 -0800 |
| commit | 771ee3b04eaac6184312825eb600b4c598f027a5 (patch) | |
| tree | f0db1cca6b9849855c1d2fd6a16828084311e03c /kernel/irq/proc.c | |
| parent | 950f4427c2ddc921164088a20f01304cf231437c (diff) | |
[PATCH] Add a function to handle interrupt affinity setting
Provide funtions to:
- check, whether an interrupt can set the affinity
- pin the interrupt to a given cpu
Necessary for the ability to setup clocksources more flexible (e.g. use the
different HPET channels per CPU)
[akpm@osdl.org: alpha build fix]
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: john stultz <johnstul@us.ibm.com>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/irq/proc.c')
| -rw-r--r-- | kernel/irq/proc.c | 22 |
1 files changed, 1 insertions, 21 deletions
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c index bb44bc995d6..2db91eb54ad 100644 --- a/kernel/irq/proc.c +++ b/kernel/irq/proc.c @@ -16,26 +16,6 @@ static struct proc_dir_entry *root_irq_dir; #ifdef CONFIG_SMP -#ifdef CONFIG_GENERIC_PENDING_IRQ -void proc_set_irq_affinity(unsigned int irq, cpumask_t mask_val) -{ - set_balance_irq_affinity(irq, mask_val); - - /* - * Save these away for later use. Re-progam when the - * interrupt is pending - */ - set_pending_irq(irq, mask_val); -} -#else -void proc_set_irq_affinity(unsigned int irq, cpumask_t mask_val) -{ - set_balance_irq_affinity(irq, mask_val); - irq_desc[irq].affinity = mask_val; - irq_desc[irq].chip->set_affinity(irq, mask_val); -} -#endif - static int irq_affinity_read_proc(char *page, char **start, off_t off, int count, int *eof, void *data) { @@ -73,7 +53,7 @@ static int irq_affinity_write_proc(struct file *file, const char __user *buffer, code to set default SMP affinity. */ return select_smp_affinity(irq) ? -EINVAL : full_count; - proc_set_irq_affinity(irq, new_value); + irq_set_affinity(irq, new_value); return full_count; } |