linux-kernel - [tip: irq/core] genirq: Update irq_set_irqchip

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Message-ID: <163188119618.25758.16760455206397555458.tip-bot2@tip-bot2>
Date:   Fri, 17 Sep 2021 12:19:56 -0000
From:   "tip-bot2 for Josh Cartwright" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Josh Cartwright <joshc@...com>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Thomas Gleixner <tglx@...utronix.de>, x86@...nel.org,
        linux-kernel@...r.kernel.org, maz@...nel.org
Subject: [tip: irq/core] genirq: Update irq_set_irqchip_state documentation

The following commit has been merged into the irq/core branch of tip:

Commit-ID:     e1a6af4b000c39148ab407362fcce3ab63b186f2
Gitweb:        https://git.kernel.org/tip/e1a6af4b000c39148ab407362fcce3ab63b186f2
Author:        Josh Cartwright <joshc@...com>
AuthorDate:    Fri, 17 Sep 2021 12:30:55 +02:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Fri, 17 Sep 2021 14:15:21 +02:00

genirq: Update irq_set_irqchip_state documentation

On RT kernels, the use of migrate_disable()/migrate_enable() is sufficient
to guarantee a task isn't moved to another CPU.  Update the
irq_set_irqchip_state() documentation to reflect this.

Signed-off-by: Josh Cartwright <joshc@...com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Link: https://lore.kernel.org/r/20210917103055.92150-1-bigeasy@linutronix.de

---
 kernel/irq/manage.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 27667e8..b392483 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -2827,7 +2827,7 @@ EXPORT_SYMBOL_GPL(irq_get_irqchip_state);
  *	This call sets the internal irqchip state of an interrupt,
  *	depending on the value of @which.
  *
- *	This function should be called with preemption disabled if the
+ *	This function should be called with migration disabled if the
  *	interrupt controller has per-cpu registers.
  */
 int irq_set_irqchip_state(unsigned int irq, enum irqchip_irq_state which,