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| author | Thomas Gleixner <tglx@linutronix.de> | 2013-03-21 22:50:04 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2013-04-08 17:39:29 +0200 |
| commit | f4e2e9a4b26789d963000f974f2dc80230bb4674 (patch) | |
| tree | 14773281c4e226fd4ee4122c09a18b5509c3d0b9 /arch/xtensa | |
| parent | x86: Use generic idle loop (diff) | |
| download | linux-f4e2e9a4b26789d963000f974f2dc80230bb4674.tar.xz linux-f4e2e9a4b26789d963000f974f2dc80230bb4674.zip | |
xtensa: 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: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Cc: Magnus Damm <magnus.damm@gmail.com>
Acked-by: Chris Zankel <chris@zankel.net>
Link: http://lkml.kernel.org/r/20130321215235.546600507@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/xtensa')
| -rw-r--r-- | arch/xtensa/Kconfig | 1 | ||||
| -rw-r--r-- | arch/xtensa/kernel/process.c | 14 |
2 files changed, 3 insertions, 12 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index b09de49dbec5..e0144ff4624d 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -19,6 +19,7 @@ config XTENSA select CLONE_BACKWARDS select IRQ_DOMAIN select HAVE_OPROFILE + select GENERIC_IDLE_LOOP help Xtensa processors are 32-bit RISC machines designed by Tensilica primarily for embedded systems. These processors are both diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c index 5cd82e9f601c..1c85323f01d7 100644 --- a/arch/xtensa/kernel/process.c +++ b/arch/xtensa/kernel/process.c @@ -105,19 +105,9 @@ void coprocessor_flush_all(struct thread_info *ti) /* * Powermanagement idle function, if any is provided by the platform. */ - -void cpu_idle(void) +void arch_cpu_idle(void) { - local_irq_enable(); - - /* endless idle loop with no priority at all */ - while (1) { - rcu_idle_enter(); - while (!need_resched()) - platform_idle(); - rcu_idle_exit(); - schedule_preempt_disabled(); - } + platform_idle(); } /* |