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processor: remove spin_cpu_yield

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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>
This commit is contained in:
Heiko Carstens 2019-06-08 11:39:05 +02:00
parent b4e3133b65
commit 7928260539
2 changed files with 0 additions and 11 deletions
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2
arch/powerpc/include/asm/processor.h
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@ -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) \

9
include/linux/processor.h
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@ -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