The ls-scfs-msi driver is not dealing with the effective affinity as it should. Let's fix that, and make it clear that the effective affinity is restricted to a single CPU.
Reported-by: Alexandre Belloni <[email protected]> Signed-off-by: Marc Zyngier <[email protected]> --- drivers/irqchip/irq-ls-scfg-msi.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/irqchip/irq-ls-scfg-msi.c b/drivers/irqchip/irq-ls-scfg-msi.c index 1ec3bfe56693..2811cc53e425 100644 --- a/drivers/irqchip/irq-ls-scfg-msi.c +++ b/drivers/irqchip/irq-ls-scfg-msi.c @@ -121,7 +121,8 @@ static int ls_scfg_msi_set_affinity(struct irq_data *irq_data, return -EINVAL; } - cpumask_copy(irq_data->common->affinity, mask); + cpumask_copy(irq_data->common->affinity, cpumask_of(cpu)); + irq_data_update_effective_affinity(irq_data, cpumask_of(cpu)); return IRQ_SET_MASK_OK; } -- 2.17.1
