datapath/linux/compat/include/linux/bottom_half.h

   1 #ifndef __LINUX_BH_WRAPPER_H
   2 #define __LINUX_BH_WRAPPER_H 1
   3
   4 #include_next <linux/bottom_half.h>
   5
   6 /* This is not, strictly speaking, compatibility code in the sense that it is
   7  * not needed by older kernels.  However, it is used on kernels with the
   8  * realtime patchset applied to create an environment more similar to what we
   9  * would see on normal kernels.
  10  */
  11
  12 #ifdef CONFIG_PREEMPT_HARDIRQS
  13 #undef local_bh_disable
  14 #define local_bh_disable preempt_disable
  15 #undef local_bh_enable
  16 #define local_bh_enable preempt_enable
  17 #endif
  18
  19 #endif