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 | #ifdef 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 | #endif /* _LINUX_BH_H */ |
36 |