Re: [patch 17/34] ia64: Use generic idle loop

Srivatsa S. Bhat
2013-03-28T15:43:01Z

On 03/22/2013 03:23 AM, Thomas Gleixner wrote:
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> Cc: Tony Luck <tony.luck@intel.com>
> ---
> arch/ia64/Kconfig | 1
> arch/ia64/kernel/perfmon.c | 13 ++-----
> arch/ia64/kernel/process.c | 83 +++++++++------------------------------------
> arch/ia64/kernel/smpboot.c | 2 -
> 4 files changed, 23 insertions(+), 76 deletions(-)
>
[...]
> -void
> -update_pal_halt_status(int status)
> -{
> - can_do_pal_halt = pal_halt && status;
> -}
> -
> -/*
> - * We use this if we don't have any better idle routine..
> - */
> -void
> -default_idle (void)
> -{
> - local_irq_enable();
> - while (!need_resched()) {
> - if (can_do_pal_halt) {
> - local_irq_disable();
> - if (!need_resched()) {
> - safe_halt();
> - }
> - local_irq_enable();
> - } else
> - cpu_relax();
> - }
> -}
> -

We can also get rid of the function prototype declaration of default_idle()
inside arch/ia64/include/asm/processor.h

Regards,
Srivatsa S. Bhat