Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
676dcb8b AM |
2 | #ifndef _LINUX_BH_H |
3 | #define _LINUX_BH_H | |
4 | ||
0bd3a173 | 5 | #include <linux/preempt.h> |
0bd3a173 | 6 | |
8b1c04ac | 7 | #if defined(CONFIG_PREEMPT_RT) || defined(CONFIG_TRACE_IRQFLAGS) |
0bd3a173 PZ |
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 | ||
676dcb8b | 22 | extern void _local_bh_enable(void); |
0bd3a173 PZ |
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 | } | |
676dcb8b | 34 | |
47c218dc TG |
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 | ||
676dcb8b | 41 | #endif /* _LINUX_BH_H */ |