1 /* SPDX-License-Identifier: GPL-2.0 */
5 #include <linux/preempt.h>
7 #if defined(CONFIG_PREEMPT_RT) || defined(CONFIG_TRACE_IRQFLAGS)
8 extern void __local_bh_disable_ip(unsigned long ip, unsigned int cnt);
10 static __always_inline void __local_bh_disable_ip(unsigned long ip, unsigned int cnt)
12 preempt_count_add(cnt);
17 static inline void local_bh_disable(void)
19 __local_bh_disable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET);
22 extern void _local_bh_enable(void);
23 extern void __local_bh_enable_ip(unsigned long ip, unsigned int cnt);
25 static inline void local_bh_enable_ip(unsigned long ip)
27 __local_bh_enable_ip(ip, SOFTIRQ_DISABLE_OFFSET);
30 static inline void local_bh_enable(void)
32 __local_bh_enable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET);
35 #ifdef CONFIG_PREEMPT_RT
36 extern bool local_bh_blocked(void);
38 static inline bool local_bh_blocked(void) { return false; }
41 #endif /* _LINUX_BH_H */