43 lines
1013 B
C
43 lines
1013 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_BH_H
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#define _LINUX_BH_H
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#include <linux/instruction_pointer.h>
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#include <linux/preempt.h>
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#if defined(CONFIG_PREEMPT_RT) || defined(CONFIG_TRACE_IRQFLAGS)
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extern void __local_bh_disable_ip(unsigned long ip, unsigned int cnt);
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#else
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static __always_inline void __local_bh_disable_ip(unsigned long ip, unsigned int cnt)
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{
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preempt_count_add(cnt);
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barrier();
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}
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#endif
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static inline void local_bh_disable(void)
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{
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__local_bh_disable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET);
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}
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extern void _local_bh_enable(void);
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extern void __local_bh_enable_ip(unsigned long ip, unsigned int cnt);
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static inline void local_bh_enable_ip(unsigned long ip)
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{
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__local_bh_enable_ip(ip, SOFTIRQ_DISABLE_OFFSET);
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}
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static inline void local_bh_enable(void)
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{
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__local_bh_enable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET);
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}
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#ifdef CONFIG_PREEMPT_RT
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extern bool local_bh_blocked(void);
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#else
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static inline bool local_bh_blocked(void) { return false; }
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#endif
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#endif /* _LINUX_BH_H */
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