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authorHeiko Carstens <heiko.carstens@de.ibm.com>2019-06-08 12:13:57 +0200
committerHeiko Carstens <heiko.carstens@de.ibm.com>2019-06-15 12:25:55 +0200
commit4ecf0a43e729a7e641d800c294faabe87378fc05 (patch)
treed7c164a2215c69a17b319076b64dd99ea1f85351 /arch/s390/include/asm/processor.h
parents390: improve wait logic of stop_machine (diff)
downloadlinux-dev-4ecf0a43e729a7e641d800c294faabe87378fc05.tar.xz
linux-dev-4ecf0a43e729a7e641d800c294faabe87378fc05.zip
processor: get rid of cpu_relax_yield
stop_machine is the only user left of cpu_relax_yield. Given that it now has special semantics which are tied to stop_machine introduce a weak stop_machine_yield function which architectures can override, and get rid of the generic cpu_relax_yield implementation. 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>
Diffstat (limited to 'arch/s390/include/asm/processor.h')
-rw-r--r--arch/s390/include/asm/processor.h6
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index 445ce9ee4404..14883b1562e0 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -222,12 +222,6 @@ static __no_kasan_or_inline unsigned short stap(void)
return cpu_address;
}
-/*
- * Give up the time slice of the virtual PU.
- */
-#define cpu_relax_yield cpu_relax_yield
-void cpu_relax_yield(const struct cpumask *cpumask);
-
#define cpu_relax() barrier()
#define ECAG_CACHE_ATTRIBUTE 0