From 95c6a403c768aa2de401266506c95b57aea9230e Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 12 Aug 2009 18:32:08 +0200 Subject: [PATCH] genirq: Cleanup forced threading bits when handler thread terminates commit b46fe5710dee18042a0f333e3709cd7af79acd97 in tip. When a handler thread terminates then the forced_thread_active bit might be still set. Cleanup and unmask the interrupt if this is the last thread which blocked the unmask. Signed-off-by: Thomas Gleixner Signed-off-by: Paul Gortmaker --- kernel/irq/manage.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 8fb33fe..c6e4830 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -539,6 +539,13 @@ again: return 0; } +static inline void +preempt_hardirq_cleanup(struct irq_desc *desc, struct irqaction *action) +{ + clear_bit(IRQTF_RUNTHREAD, &action->thread_flags); + preempt_hardirq_thread_done(desc, action); +} + static int irq_wait_for_interrupt(struct irq_desc *desc, struct irqaction *action) { @@ -669,6 +676,8 @@ static int irq_thread(void *data) wake_up(&desc->wait_for_threads); } + preempt_hardirq_cleanup(desc, action); + /* * Clear irqaction. Otherwise exit_irq_thread() would make * fuzz about an active irq thread going into nirvana. -- 1.7.0.4