| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Andrew Morton | 676dcb8 | 2006-12-06 20:31:30 -0800 | [diff] [blame] | 2 | #ifndef _LINUX_BH_H |
| 3 | #define _LINUX_BH_H |
| 4 | |
| Peter Zijlstra | 0bd3a17 | 2013-11-19 16:13:38 +0100 | [diff] [blame] | 5 | #include <linux/preempt.h> |
| Peter Zijlstra | 0bd3a17 | 2013-11-19 16:13:38 +0100 | [diff] [blame] | 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 | |
| Andrew Morton | 676dcb8 | 2006-12-06 20:31:30 -0800 | [diff] [blame] | 22 | extern void _local_bh_enable(void); |
| Peter Zijlstra | 0bd3a17 | 2013-11-19 16:13:38 +0100 | [diff] [blame] | 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 | } |
| Andrew Morton | 676dcb8 | 2006-12-06 20:31:30 -0800 | [diff] [blame] | 34 | |
| 35 | #endif /* _LINUX_BH_H */ |