RE: [PATCH v1 16/20] ARC: [plat-eznps] Use dedicated cpu_relax()

[Noam Camus]

From: Peter Zijlstra [mailto:peterz@xxxxxxxxxxxxx] 
Sent: Monday, November 02, 2015 11:22 AM


> At which point you might want to revisit:

> arch/arc/include/asm/processor.h:#define cpu_relax_lowlatency() cpu_relax()
Thanks, I will define this as barrier since cpu_relax() may take out current logical CPU for many cycles.
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