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Commit 12cf649f authored by Eddie C. Dost's avatar Eddie C. Dost Committed by David S. Miller
Browse files

[SPARC64]: Fix set_intr_affinity() 



Do not cat bucket->irq_info to struct irqaction * directly,
but go through struct irq_desc *.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 90cdba64

arch/sparc64/kernel/irq.c

+5 −2
Original line number Diff line number Diff line
@@ -917,7 +917,8 @@ static int irq_affinity_read_proc (char *page, char **start, off_t off, 
			int count, int *eof, void *data)

{

	struct ino_bucket *bp = ivector_table + (long)data;

	struct irqaction *ap = bp->irq_info;

	struct irq_desc *desc = bp->irq_info;

	struct irqaction *ap = desc->action;

	cpumask_t mask;

	int len;
@@ -935,11 +936,13 @@ static int irq_affinity_read_proc (char *page, char **start, off_t off, 
static inline void set_intr_affinity(int irq, cpumask_t hw_aff)

{

	struct ino_bucket *bp = ivector_table + irq;

	struct irq_desc *desc = bp->irq_info;

	struct irqaction *ap = desc->action;



	/* Users specify affinity in terms of hw cpu ids.

	 * As soon as we do this, handler_irq() might see and take action.

	 */

	put_smpaff_in_irqaction((struct irqaction *)bp->irq_info, hw_aff);

	put_smpaff_in_irqaction(ap, hw_aff);



	/* Migration is simply done by the next cpu to service this

	 * interrupt.