kernel/include/linux/processor.h
.. .. @@ -32,15 +32,6 @@ 32 32 #define spin_cpu_relax() cpu_relax() 33 33 #endif 34 34 35 -/*36 - * spin_cpu_yield may be called to yield (undirected) to the hypervisor if37 - * necessary. This should be used if the wait is expected to take longer38 - * than context switch overhead, but we can't sleep or do a directed yield.39 - */40 -#ifndef spin_cpu_yield41 -#define spin_cpu_yield() cpu_relax_yield()42 -#endif43 -44 35 #ifndef spin_end 45 36 #define spin_end() 46 37 #endif