Commit d2287f5e authored by Mike Travis's avatar Mike Travis Committed by Ingo Molnar
Browse files

irq: update all arches for new irq_desc, fix 



Impact: fix build errors

Since the SPARSE IRQS changes redefined how the kstat irqs are
organized, arch's must use the new accessor function:

	kstat_incr_irqs_this_cpu(irq, DESC);

If CONFIG_SPARSE_IRQS is set, then DESC is a pointer to the
irq_desc which has a pointer to the kstat_irqs.  If not, then
the .irqs field of struct kernel_stat is used instead.

Signed-off-by: default avatarMike Travis <travis@sgi.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent e46d5178

arch/ia64/kernel/irq_ia64.c

+8 −4
Original line number Diff line number Diff line
@@ -493,11 +493,13 @@ ia64_handle_irq (ia64_vector vector, struct pt_regs *regs) 
	saved_tpr = ia64_getreg(_IA64_REG_CR_TPR);

	ia64_srlz_d();

	while (vector != IA64_SPURIOUS_INT_VECTOR) {

		struct irq_desc *desc = irq_to_desc(vector);



		if (unlikely(IS_LOCAL_TLB_FLUSH(vector))) {

			smp_local_flush_tlb();

			kstat_this_cpu.irqs[vector]++;

			kstat_incr_irqs_this_cpu(vector, desc);

		} else if (unlikely(IS_RESCHEDULE(vector)))

			kstat_this_cpu.irqs[vector]++;

			kstat_incr_irqs_this_cpu(vector, desc);

		else {

			int irq = local_vector_to_irq(vector);
@@ -551,11 +553,13 @@ void ia64_process_pending_intr(void) 
	  * Perform normal interrupt style processing

	  */

	while (vector != IA64_SPURIOUS_INT_VECTOR) {

		struct irq_desc *desc = irq_to_desc(vector);



		if (unlikely(IS_LOCAL_TLB_FLUSH(vector))) {

			smp_local_flush_tlb();

			kstat_this_cpu.irqs[vector]++;

			kstat_incr_irqs_this_cpu(vector, desc);

		} else if (unlikely(IS_RESCHEDULE(vector)))

			kstat_this_cpu.irqs[vector]++;

			kstat_incr_irqs_this_cpu(vector, desc);

		else {

			struct pt_regs *old_regs = set_irq_regs(NULL);

			int irq = local_vector_to_irq(vector);

arch/mips/kernel/smtc.c

+3 −1
Original line number Diff line number Diff line
@@ -921,11 +921,13 @@ void ipi_decode(struct smtc_ipi *pipi) 
	struct clock_event_device *cd;

	void *arg_copy = pipi->arg;

	int type_copy = pipi->type;

	int irq = MIPS_CPU_IRQ_BASE + 1;



	smtc_ipi_nq(&freeIPIq, pipi);

	switch (type_copy) {

	case SMTC_CLOCK_TICK:

		irq_enter();

		kstat_this_cpu.irqs[MIPS_CPU_IRQ_BASE + 1]++;

		kstat_incr_irqs_this_cpu(irq, irq_to_desc(irq));

		cd = &per_cpu(mips_clockevent_device, cpu);

		cd->event_handler(cd);

		irq_exit();

arch/mips/sgi-ip22/ip22-int.c

+1 −1
Original line number Diff line number Diff line
@@ -155,7 +155,7 @@ static void indy_buserror_irq(void) 
	int irq = SGI_BUSERR_IRQ;



	irq_enter();

	kstat_this_cpu.irqs[irq]++;

	kstat_incr_irqs_this_cpu(irq, irq_to_desc(irq));

	ip22_be_interrupt(irq);

	irq_exit();

}

arch/mips/sgi-ip22/ip22-time.c

+1 −1
Original line number Diff line number Diff line
@@ -122,7 +122,7 @@ void indy_8254timer_irq(void) 
	char c;



	irq_enter();

	kstat_this_cpu.irqs[irq]++;

	kstat_incr_irqs_this_cpu(irq, irq_to_desc(irq));

	printk(KERN_ALERT "Oops, got 8254 interrupt.\n");

	ArcRead(0, &c, 1, &cnt);

	ArcEnterInteractiveMode();

arch/mips/sibyte/bcm1480/smp.c

+2 −1
Original line number Diff line number Diff line
@@ -178,9 +178,10 @@ struct plat_smp_ops bcm1480_smp_ops = { 
void bcm1480_mailbox_interrupt(void)

{

	int cpu = smp_processor_id();

	int irq = K_BCM1480_INT_MBOX_0_0;

	unsigned int action;



	kstat_this_cpu.irqs[K_BCM1480_INT_MBOX_0_0]++;

	kstat_incr_irqs_this_cpu(irq, irq_to_desc(irq));

	/* Load the mailbox register to figure out what we're supposed to do */

	action = (__raw_readq(mailbox_0_regs[cpu]) >> 48) & 0xffff;

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