27 lines
1.1 KiB
Diff
27 lines
1.1 KiB
Diff
From: Josh Cartwright <joshc@ni.com>
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Date: Thu, 11 Feb 2016 11:54:00 -0600
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Subject: genirq: update irq_set_irqchip_state documentation
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.1-rt3.tar.xz
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On -rt kernels, the use of migrate_disable()/migrate_enable() is
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sufficient to guarantee a task isn't moved to another CPU. Update the
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irq_set_irqchip_state() documentation to reflect this.
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Signed-off-by: Josh Cartwright <joshc@ni.com>
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Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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---
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kernel/irq/manage.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/kernel/irq/manage.c
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+++ b/kernel/irq/manage.c
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@@ -2270,7 +2270,7 @@ EXPORT_SYMBOL_GPL(irq_get_irqchip_state)
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* This call sets the internal irqchip state of an interrupt,
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* depending on the value of @which.
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*
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- * This function should be called with preemption disabled if the
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+ * This function should be called with migration disabled if the
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* interrupt controller has per-cpu registers.
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*/
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int irq_set_irqchip_state(unsigned int irq, enum irqchip_irq_state which,
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