diff options
| -rw-r--r-- | drivers/irqchip/irq-gic-v5.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-gic-v5.c b/drivers/irqchip/irq-gic-v5.c index a9e3e75adb96..0e4789818131 100644 --- a/drivers/irqchip/irq-gic-v5.c +++ b/drivers/irqchip/irq-gic-v5.c @@ -222,6 +222,12 @@ static void gicv5_hwirq_eoi(u32 hwirq_id, u8 hwirq_type) static void gicv5_ppi_irq_eoi(struct irq_data *d) { + /* Skip deactivate for forwarded PPI interrupts */ + if (irqd_is_forwarded_to_vcpu(d)) { + gic_insn(0, CDEOI); + return; + } + gicv5_hwirq_eoi(d->hwirq, GICV5_HWIRQ_TYPE_PPI); } @@ -503,6 +509,16 @@ static bool gicv5_ppi_irq_is_level(irq_hw_number_t hwirq) return !!(read_ppi_sysreg_s(hwirq, PPI_HM) & bit); } +static int gicv5_ppi_irq_set_vcpu_affinity(struct irq_data *d, void *vcpu) +{ + if (vcpu) + irqd_set_forwarded_to_vcpu(d); + else + irqd_clr_forwarded_to_vcpu(d); + + return 0; +} + static const struct irq_chip gicv5_ppi_irq_chip = { .name = "GICv5-PPI", .irq_mask = gicv5_ppi_irq_mask, @@ -510,6 +526,7 @@ static const struct irq_chip gicv5_ppi_irq_chip = { .irq_eoi = gicv5_ppi_irq_eoi, .irq_get_irqchip_state = gicv5_ppi_irq_get_irqchip_state, .irq_set_irqchip_state = gicv5_ppi_irq_set_irqchip_state, + .irq_set_vcpu_affinity = gicv5_ppi_irq_set_vcpu_affinity, .flags = IRQCHIP_SKIP_SET_WAKE | IRQCHIP_MASK_ON_SUSPEND, }; |