Re: [PATCH] powerpc: inline current_stack_pointer()

From: Anton Blanchard
Date: Tue May 31 2016 - 06:06:01 EST


> current_stack_pointeur() is a single instruction function. it
> It is not worth breaking the execution flow with a bl/blr for a
> single instruction

Check out bfe9a2cfe91a ("powerpc: Reimplement __get_SP() as a function
not a define") to see why we made it a function.