[PATCH] preempt: Remove hardirq_disable_count()

[Boqun Feng]

It turns out the previous usage of hardirq_disable_count() in
__irq_exit_rcu() would cause softirq pending issues. Without that usage,
hardirq_disable_count() doesn't need to exist, so remove it.

Signed-off-by: Boqun Feng <boqun@xxxxxxxxxx>
---
 include/linux/preempt.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/include/linux/preempt.h b/include/linux/preempt.h
index 8299657f0f86..6d2fedbd6758 100644
--- a/include/linux/preempt.h
+++ b/include/linux/preempt.h
@@ -168,7 +168,6 @@ static __always_inline unsigned char interrupt_context_level(void)
 #define in_softirq()		(softirq_count())
 #define in_interrupt()		(irq_count())
 
-#define hardirq_disable_count()	((preempt_count() & HARDIRQ_DISABLE_MASK) >> HARDIRQ_DISABLE_SHIFT)
 #define hardirq_disable_enter()	__preempt_count_add_return(HARDIRQ_DISABLE_OFFSET)
 #define hardirq_disable_exit()	__preempt_count_sub_return(HARDIRQ_DISABLE_OFFSET)
 
-- 
2.50.1 (Apple Git-155)