diff options
author | Andi Kleen <ak@suse.de> | 2007-07-21 11:09:54 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-21 21:37:07 -0400 |
commit | 42ee2b74140b69fa24da1c671b03c9f8019e6f62 (patch) | |
tree | 1a5fdf2743d90185fd9716bbaa9bdcd6140f8ae8 /kernel/irq/proc.c | |
parent | 78b599aed61a1098444558e74c93745f22eda6cb (diff) |
x86_64: Report the pending irq if available in smp_affinity
Otherwise smp_affinity would only update after the next interrupt
on x86 systems.
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/irq/proc.c')
-rw-r--r-- | kernel/irq/proc.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c index b4f1674fca79..50b81b98046a 100644 --- a/kernel/irq/proc.c +++ b/kernel/irq/proc.c | |||
@@ -19,7 +19,15 @@ static struct proc_dir_entry *root_irq_dir; | |||
19 | static int irq_affinity_read_proc(char *page, char **start, off_t off, | 19 | static int irq_affinity_read_proc(char *page, char **start, off_t off, |
20 | int count, int *eof, void *data) | 20 | int count, int *eof, void *data) |
21 | { | 21 | { |
22 | int len = cpumask_scnprintf(page, count, irq_desc[(long)data].affinity); | 22 | struct irq_desc *desc = irq_desc + (long)data; |
23 | cpumask_t *mask = &desc->affinity; | ||
24 | int len; | ||
25 | |||
26 | #ifdef CONFIG_GENERIC_PENDING_IRQ | ||
27 | if (desc->status & IRQ_MOVE_PENDING) | ||
28 | mask = &desc->pending_mask; | ||
29 | #endif | ||
30 | len = cpumask_scnprintf(page, count, *mask); | ||
23 | 31 | ||
24 | if (count - len < 2) | 32 | if (count - len < 2) |
25 | return -EINVAL; | 33 | return -EINVAL; |