Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[linux-2.6-microblaze.git] / include / linux / bottom_half.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_BH_H
3 #define _LINUX_BH_H
4
5 #include <linux/preempt.h>
6
7 #if defined(CONFIG_PREEMPT_RT) || defined(CONFIG_TRACE_IRQFLAGS)
8 extern void __local_bh_disable_ip(unsigned long ip, unsigned int cnt);
9 #else
10 static __always_inline void __local_bh_disable_ip(unsigned long ip, unsigned int cnt)
11 {
12         preempt_count_add(cnt);
13         barrier();
14 }
15 #endif
16
17 static inline void local_bh_disable(void)
18 {
19         __local_bh_disable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET);
20 }
21
22 extern void _local_bh_enable(void);
23 extern void __local_bh_enable_ip(unsigned long ip, unsigned int cnt);
24
25 static inline void local_bh_enable_ip(unsigned long ip)
26 {
27         __local_bh_enable_ip(ip, SOFTIRQ_DISABLE_OFFSET);
28 }
29
30 static inline void local_bh_enable(void)
31 {
32         __local_bh_enable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET);
33 }
34
35 #ifdef CONFIG_PREEMPT_RT
36 extern bool local_bh_blocked(void);
37 #else
38 static inline bool local_bh_blocked(void) { return false; }
39 #endif
40
41 #endif /* _LINUX_BH_H */