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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Tue, 9 Feb 2016 18:17:18 +0100
Subject: kernel: softirq: unlock with irqs on
We unlock the lock while the interrupts are off. This isn't a problem
now but will get because the migrate_disable() + enable are not
symmetrical in regard to the status of interrupts.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
kernel/softirq.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -560,8 +560,10 @@ static void do_current_softirqs(void)
do_single_softirq(i);
}
softirq_clr_runner(i);
- unlock_softirq(i);
WARN_ON(current->softirq_nestcnt != 1);
+ local_irq_enable();
+ unlock_softirq(i);
+ local_irq_disable();
}
}
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