From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sebastian Andrzej Siewior Subject: [PATCH RT 1/6] kernel: softirq: unlock with irqs on Date: Sat, 13 Feb 2016 00:02:43 +0100 Message-ID: <1455318168-7125-1-git-send-email-bigeasy@linutronix.de> Cc: linux-kernel@vger.kernel.org, tglx@linutronix.de, Steven Rostedt , Sebastian Andrzej Siewior To: linux-rt-users@vger.kernel.org Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-rt-users.vger.kernel.org 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 --- kernel/softirq.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/kernel/softirq.c b/kernel/softirq.c index d1e999e74d23..2ca63cc1469e 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c @@ -563,8 +563,10 @@ 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(); } } -- 2.7.0