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Diffstat (limited to '')
| -rw-r--r-- | debian/patches-rt/0210-genirq-update-irq_set_irqchip_state-documentation.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/debian/patches-rt/0210-genirq-update-irq_set_irqchip_state-documentation.patch b/debian/patches-rt/0210-genirq-update-irq_set_irqchip_state-documentation.patch new file mode 100644 index 000000000..587d4cec5 --- /dev/null +++ b/debian/patches-rt/0210-genirq-update-irq_set_irqchip_state-documentation.patch @@ -0,0 +1,32 @@ +From ab960649ff425bcc7910011a0f591a4673e76df6 Mon Sep 17 00:00:00 2001 +From: Josh Cartwright <joshc@ni.com> +Date: Thu, 11 Feb 2016 11:54:00 -0600 +Subject: [PATCH 210/347] genirq: update irq_set_irqchip_state documentation +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.246-rt110.tar.xz + +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@ni.com> +Signed-off-by: Sebastian Andrzej Siewior <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 2bb77b0ebac8..683debac6759 100644 +--- a/kernel/irq/manage.c ++++ b/kernel/irq/manage.c +@@ -2335,7 +2335,7 @@ 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, +-- +2.36.1 + |