powerpc: Remove unused cpu_idle_wait() (c9b92b84) · Commits · 戴 / test

arch/powerpc/Kconfig

+0 −4

+0 −1

Original line number	Diff line number	Diff line
		@@ -386,7 +386,6 @@ extern unsigned long cpuidle_disable;
		enum idle_boot_override {IDLE_NO_OVERRIDE = 0, IDLE_POWERSAVE_OFF};

		extern int powersave_nap; /* set if nap mode can be used in idle loop */
		void cpu_idle_wait(void);

		#ifdef CONFIG_PSERIES_IDLE
		extern void update_smt_snooze_delay(int snooze);

+0 −19

Original line number	Diff line number	Diff line
		@@ -113,25 +113,6 @@ void cpu_idle(void)
		}
		}

		static void do_nothing(void *unused)
		{
		}

		/*
		* cpu_idle_wait - Used to ensure that all the CPUs come out of the old
		* idle loop and start using the new idle loop.
		* Required while changing idle handler on SMP systems.
		* Caller must have changed idle handler to the new value before the call.
		* This window may be larger on shared systems.
		*/
		void cpu_idle_wait(void)
		{
		smp_mb();
		/* kick all the CPUs so that they exit out of pm_idle */
		smp_call_function(do_nothing, NULL, 1);
		}
		EXPORT_SYMBOL_GPL(cpu_idle_wait);

		int powersave_nap;

		#ifdef CONFIG_SYSCTL