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irqchip/mips-gic: Clear percpu_masks correctly when mapping

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When setting the mapping for a hwirq, make sure we clear percpu_masks for
all other cpus in case it was set previously.

Signed-off-by: Qais Yousef <[email protected]>
Acked-by: Ralf Baechle <[email protected]>
Cc: <[email protected]>
Cc: <[email protected]>
Cc: <[email protected]>
Cc: <[email protected]>
Cc: <[email protected]>
Cc: Qais Yousef <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>
This commit is contained in:
Qais Yousef 2015-12-08 13:20:26 +00:00 • committed by Thomas Gleixner
commit 78930f09b9
1 changed files with 3 additions and 0 deletions
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3
drivers/irqchip/irq-mips-gic.c
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@ -773,6 +773,7 @@ static int gic_shared_irq_domain_map(struct irq_domain *d, unsigned int virq,
{
int intr = GIC_HWIRQ_TO_SHARED(hw);
unsigned long flags;
int i;
irq_set_chip_and_handler(virq, &gic_level_irq_controller,
handle_level_irq);
@ -780,6 +781,8 @@ static int gic_shared_irq_domain_map(struct irq_domain *d, unsigned int virq,
spin_lock_irqsave(&gic_lock, flags);
gic_map_to_pin(intr, gic_cpu_pin);
gic_map_to_vpe(intr, vpe);
for (i = 0; i < gic_vpes; i++)
clear_bit(intr, pcpu_masks[i].pcpu_mask);
set_bit(intr, pcpu_masks[vpe].pcpu_mask);
spin_unlock_irqrestore(&gic_lock, flags);