Eric Lee / smarc-fsl-linux-kernel

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include/linux/bottom_half.h 803 Bytes
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b24413180   Greg Kroah-Hartman   License cleanup: ... 
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  /* SPDX-License-Identifier: GPL-2.0 */
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  #ifndef _LINUX_BH_H
  #define _LINUX_BH_H
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  #include <linux/preempt.h>
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  #ifdef CONFIG_TRACE_IRQFLAGS
  extern void __local_bh_disable_ip(unsigned long ip, unsigned int cnt);
  #else
  static __always_inline void __local_bh_disable_ip(unsigned long ip, unsigned int cnt)
  {
  	preempt_count_add(cnt);
  	barrier();
  }
  #endif
  
  static inline void local_bh_disable(void)
  {
  	__local_bh_disable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET);
  }
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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);
  
  static inline void local_bh_enable_ip(unsigned long ip)
  {
  	__local_bh_enable_ip(ip, SOFTIRQ_DISABLE_OFFSET);
  }
  
  static inline void local_bh_enable(void)
  {
  	__local_bh_enable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET);
  }
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  #endif /* _LINUX_BH_H */