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authorAndi Kleen <ak@suse.de>2007-07-21 11:09:54 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-21 21:37:07 -0400
commit42ee2b74140b69fa24da1c671b03c9f8019e6f62 (patch)
tree1a5fdf2743d90185fd9716bbaa9bdcd6140f8ae8
parent78b599aed61a1098444558e74c93745f22eda6cb (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>
-rw-r--r--kernel/irq/proc.c10
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;
19static int irq_affinity_read_proc(char *page, char **start, off_t off, 19static 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;