From 7928260539f3a13b5b23a3fa0a7c0e4f5255940b Mon Sep 17 00:00:00 2001 From: Heiko Carstens <heiko.carstens@de.ibm.com> Date: Sat, 8 Jun 2019 11:39:05 +0200 Subject: [PATCH] processor: remove spin_cpu_yield spin_cpu_yield is unused, therefore remove it. Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> --- arch/powerpc/include/asm/processor.h | 2 -- include/linux/processor.h | 9 --------- 2 files changed, 11 deletions(-) diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index ef573fe9873eb..a9993e7a443bc 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -346,8 +346,6 @@ static inline unsigned long __pack_fe01(unsigned int fpmode) #define spin_cpu_relax() barrier() -#define spin_cpu_yield() spin_cpu_relax() - #define spin_end() HMT_medium() #define spin_until_cond(cond) \ diff --git a/include/linux/processor.h b/include/linux/processor.h index dbc952eec8695..dc78bdc7079a2 100644 --- a/include/linux/processor.h +++ b/include/linux/processor.h @@ -32,15 +32,6 @@ #define spin_cpu_relax() cpu_relax() #endif -/* - * spin_cpu_yield may be called to yield (undirected) to the hypervisor if - * necessary. This should be used if the wait is expected to take longer - * than context switch overhead, but we can't sleep or do a directed yield. - */ -#ifndef spin_cpu_yield -#define spin_cpu_yield() cpu_relax_yield() -#endif - #ifndef spin_end #define spin_end() #endif -- 2.30.2