Commit | Line | Data |
---|---|---|
b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
676dcb8b AM |
2 | #ifndef _LINUX_BH_H |
3 | #define _LINUX_BH_H | |
4 | ||
e52340de | 5 | #include <linux/instruction_pointer.h> |
0bd3a173 | 6 | #include <linux/preempt.h> |
0bd3a173 | 7 | |
8b1c04ac | 8 | #if defined(CONFIG_PREEMPT_RT) || defined(CONFIG_TRACE_IRQFLAGS) |
0bd3a173 PZ |
9 | extern void __local_bh_disable_ip(unsigned long ip, unsigned int cnt); |
10 | #else | |
11 | static __always_inline void __local_bh_disable_ip(unsigned long ip, unsigned int cnt) | |
12 | { | |
13 | preempt_count_add(cnt); | |
14 | barrier(); | |
15 | } | |
16 | #endif | |
17 | ||
18 | static inline void local_bh_disable(void) | |
19 | { | |
20 | __local_bh_disable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET); | |
21 | } | |
22 | ||
676dcb8b | 23 | extern void _local_bh_enable(void); |
0bd3a173 PZ |
24 | extern void __local_bh_enable_ip(unsigned long ip, unsigned int cnt); |
25 | ||
26 | static inline void local_bh_enable_ip(unsigned long ip) | |
27 | { | |
28 | __local_bh_enable_ip(ip, SOFTIRQ_DISABLE_OFFSET); | |
29 | } | |
30 | ||
31 | static inline void local_bh_enable(void) | |
32 | { | |
33 | __local_bh_enable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET); | |
34 | } | |
676dcb8b | 35 | |
47c218dc TG |
36 | #ifdef CONFIG_PREEMPT_RT |
37 | extern bool local_bh_blocked(void); | |
38 | #else | |
39 | static inline bool local_bh_blocked(void) { return false; } | |
40 | #endif | |
41 | ||
676dcb8b | 42 | #endif /* _LINUX_BH_H */ |