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author | Thomas Gleixner <tglx@linutronix.de> | 2013-03-22 01:49:58 +0400 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2013-04-08 19:39:28 +0400 |
commit | 99444202b924e916aad95073d23f9995ae8eb558 (patch) | |
tree | d66dea3a523408d2b27d75e8d36ca93cb7afc218 /arch/score | |
parent | 52c0065947b7f78a3d9808b421006a3d870d1f92 (diff) | |
download | linux-99444202b924e916aad95073d23f9995ae8eb558.tar.xz |
score: Use generic idle loop
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Paul McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Reviewed-by: Cc: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Lennox Wu <lennox.wu@gmail.com>
Link: http://lkml.kernel.org/r/20130321215235.147909863@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/score')
-rw-r--r-- | arch/score/Kconfig | 1 | ||||
-rw-r--r-- | arch/score/kernel/process.c | 18 |
2 files changed, 1 insertions, 18 deletions
diff --git a/arch/score/Kconfig b/arch/score/Kconfig index c8def8bc9020..eaac45de65be 100644 --- a/arch/score/Kconfig +++ b/arch/score/Kconfig @@ -11,6 +11,7 @@ config SCORE select ARCH_DISCARD_MEMBLOCK select GENERIC_CPU_DEVICES select GENERIC_CLOCKEVENTS + select GENERIC_IDLE_LOOP select HAVE_MOD_ARCH_SPECIFIC select VIRT_TO_BUS select MODULES_USE_ELF_REL diff --git a/arch/score/kernel/process.c b/arch/score/kernel/process.c index 79568466b578..f4c6d02421d3 100644 --- a/arch/score/kernel/process.c +++ b/arch/score/kernel/process.c @@ -41,24 +41,6 @@ void machine_halt(void) {} /* If or when software machine-power-off is implemented, add code here. */ void machine_power_off(void) {} -/* - * The idle thread. There's no useful work to be - * done, so just try to conserve power and have a - * low exit latency (ie sit in a loop waiting for - * somebody to say that they'd like to reschedule) - */ -void __noreturn cpu_idle(void) -{ - /* endless idle loop with no priority at all */ - while (1) { - rcu_idle_enter(); - while (!need_resched()) - barrier(); - rcu_idle_exit(); - schedule_preempt_disabled(); - } -} - void ret_from_fork(void); void ret_from_kernel_thread(void); |