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authorJohannes Berg <johannes.berg@intel.com>2023-10-05 22:57:34 +0200
committerKalle Valo <kvalo@kernel.org>2023-10-06 17:08:47 +0300
commit7d6904bf26b96ef087514cb7a8c50b62a4911c99 (patch)
tree2feaff8495d88c2102dc2e017b7afc5c58db02d6 /kernel/irq/manage.c
parent9418edf8ff01e7a4904aac1aca4864ecdea37593 (diff)
parent22061bfc57fe08c77141dc876b4af75603c4d61d (diff)
Merge wireless into wireless-next
Resolve several conflicts, mostly between changes/fixes in wireless and the locking rework in wireless-next. One of the conflicts actually shows a bug in wireless that we'll want to fix separately. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Kalle Valo <kvalo@kernel.org>
Diffstat (limited to 'kernel/irq/manage.c')
-rw-r--r--kernel/irq/manage.c26
1 files changed, 14 insertions, 12 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index d2742af0f0fd8..d309ba84e08a9 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -108,6 +108,16 @@ bool synchronize_hardirq(unsigned int irq)
}
EXPORT_SYMBOL(synchronize_hardirq);
+static void __synchronize_irq(struct irq_desc *desc)
+{
+ __synchronize_hardirq(desc, true);
+ /*
+ * We made sure that no hardirq handler is running. Now verify that no
+ * threaded handlers are active.
+ */
+ wait_event(desc->wait_for_threads, !atomic_read(&desc->threads_active));
+}
+
/**
* synchronize_irq - wait for pending IRQ handlers (on other CPUs)
* @irq: interrupt number to wait for
@@ -127,16 +137,8 @@ void synchronize_irq(unsigned int irq)
{
struct irq_desc *desc = irq_to_desc(irq);
- if (desc) {
- __synchronize_hardirq(desc, true);
- /*
- * We made sure that no hardirq handler is
- * running. Now verify that no threaded handlers are
- * active.
- */
- wait_event(desc->wait_for_threads,
- !atomic_read(&desc->threads_active));
- }
+ if (desc)
+ __synchronize_irq(desc);
}
EXPORT_SYMBOL(synchronize_irq);
@@ -1216,7 +1218,7 @@ static irqreturn_t irq_thread_fn(struct irq_desc *desc,
return ret;
}
-static void wake_threads_waitq(struct irq_desc *desc)
+void wake_threads_waitq(struct irq_desc *desc)
{
if (atomic_dec_and_test(&desc->threads_active))
wake_up(&desc->wait_for_threads);
@@ -1944,7 +1946,7 @@ static struct irqaction *__free_irq(struct irq_desc *desc, void *dev_id)
* supports it also make sure that there is no (not yet serviced)
* interrupt in flight at the hardware level.
*/
- __synchronize_hardirq(desc, true);
+ __synchronize_irq(desc);
#ifdef CONFIG_DEBUG_SHIRQ
/*