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

[Srivatsa S. Bhat]

On 03/22/2013 03:23 AM, Thomas Gleixner wrote:
> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: Tony Luck <tony.luck@xxxxxxxxx>
> ---
>  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

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