Commit 73a38b83 authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: Only use bl bit toggling for sleeping idle. 



We don't actually require this in the cpu_relax() polling case, so just
cuddle these around the sleeping version.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 3147093e

arch/sh/kernel/idle.c

+2 −2
Original line number Diff line number Diff line
@@ -62,6 +62,7 @@ void default_idle(void) 
		clear_thread_flag(TIF_POLLING_NRFLAG);

		smp_mb__after_clear_bit();



		set_bl_bit();

		if (!need_resched()) {

			local_irq_enable();

			cpu_sleep();
@@ -69,6 +70,7 @@ void default_idle(void) 
			local_irq_enable();



		set_thread_flag(TIF_POLLING_NRFLAG);

		clear_bl_bit();

	} else

		poll_idle();

}
@@ -92,7 +94,6 @@ void cpu_idle(void) 
			check_pgt_cache();

			rmb();



			set_bl_bit();

			local_irq_disable();

			/* Don't trace irqs off for idle */

			stop_critical_timings();
@@ -103,7 +104,6 @@ void cpu_idle(void) 
			 */

			WARN_ON(irqs_disabled());

			start_critical_timings();

			clear_bl_bit();

		}



		tick_nohz_restart_sched_tick();