Commit-ID: aba92c9e2cf3042bf6efc68fa2e4235ba01bf499
Gitweb: http://git.kernel.org/tip/aba92c9e2cf3042bf6efc68fa2e4235ba01bf499
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Thu, 21 Mar 2013 22:50:02 +0100
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Mon, 8 Apr 2013 17:39:29 +0200
unicore: Use generic idle loop
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Cc: Paul McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Reviewed-by: Cc: Srivatsa S. Bhat <srivatsa.bhat@xxxxxxxxxxxxxxxxxx>
Cc: Magnus Damm <magnus.damm@xxxxxxxxx>
Cc: Guan Xuetao <gxt@xxxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/20130321215235.415426466@xxxxxxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
arch/unicore32/Kconfig | 1 +
arch/unicore32/kernel/process.c | 21 +++------------------
2 files changed, 4 insertions(+), 18 deletions(-)
diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig
index 2943e3a..e12678d 100644
--- a/arch/unicore32/Kconfig
+++ b/arch/unicore32/Kconfig
@@ -17,6 +17,7 @@ config UNICORE32
select ARCH_WANT_FRAME_POINTERS
select GENERIC_IOMAP
select MODULES_USE_ELF_REL
+ select GENERIC_IDLE_LOOP
help
UniCore-32 is 32-bit Instruction Set Architecture,
including a series of low-power-consumption RISC chip
diff --git a/arch/unicore32/kernel/process.c b/arch/unicore32/kernel/process.c
index 872d7e2..7fab86d 100644
--- a/arch/unicore32/kernel/process.c
+++ b/arch/unicore32/kernel/process.c
@@ -45,25 +45,10 @@ static const char * const processor_modes[] = {
"UK18", "UK19", "UK1A", "EXTN", "UK1C", "UK1D", "UK1E", "SUSR"
};
-void cpu_idle(void)
+void arch_cpu_idle(void)
{
- /* endless idle loop with no priority at all */
- while (1) {
- tick_nohz_idle_enter();
- rcu_idle_enter();
- while (!need_resched()) {
- local_irq_disable();
- stop_critical_timings();
- cpu_do_idle();
- local_irq_enable();
- start_critical_timings();
- }
- rcu_idle_exit();
- tick_nohz_idle_exit();
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
- }
+ cpu_do_idle();
+ local_irq_enable();
}
static char reboot_mode = 'h';
--
To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
|