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Commit 42ee2b74 authored by Andi Kleen's avatar Andi Kleen Committed by Linus Torvalds
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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: default avatarAndi Kleen <ak@suse.de>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 78b599ae

kernel/irq/proc.c

+9 −1
Original line number Diff line number Diff line
@@ -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;