diff options
| author | Andi Kleen <ak@suse.de> | 2007-07-21 17:09:54 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-22 03:37:07 +0200 |
| commit | 42ee2b74140b69fa24da1c671b03c9f8019e6f62 (patch) | |
| tree | 1a5fdf2743d90185fd9716bbaa9bdcd6140f8ae8 /kernel | |
| parent | x86_64: Don't rely on a unique IO-APIC ID (diff) | |
| download | linux-42ee2b74140b69fa24da1c671b03c9f8019e6f62.tar.xz linux-42ee2b74140b69fa24da1c671b03c9f8019e6f62.zip | |
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')
| -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; static int irq_affinity_read_proc(char *page, char **start, off_t off, int count, int *eof, void *data) { - int len = cpumask_scnprintf(page, count, irq_desc[(long)data].affinity); + struct irq_desc *desc = irq_desc + (long)data; + cpumask_t *mask = &desc->affinity; + int len; + +#ifdef CONFIG_GENERIC_PENDING_IRQ + if (desc->status & IRQ_MOVE_PENDING) + mask = &desc->pending_mask; +#endif + len = cpumask_scnprintf(page, count, *mask); if (count - len < 2) return -EINVAL; |