projects / linux-block.git / blame
| 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 */ |