korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-17 01:04:19 +08:00
Code Issues Packages Projects Releases Wiki Activity

sh: Only use bl bit toggling for sleeping idle.

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

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2009-12-18 14:40:56 +09:00
parent 3147093e1d
commit 73a38b839b
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/sh/kernel/idle.c
View File

@ -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();