Re: + clocksource-initialize-list-value.patch added to -mm tree

From: Thomas Gleixner
Date: Sun Oct 08 2006 - 05:54:24 EST


On Fri, 2006-10-06 at 18:53 -0700, akpm@xxxxxxxx wrote:
> A change to clocksource initialization. It's optional for new clocksources,
> but prefered. If the list field is initialized it allows clocksource_register
> to complete faster since it doesn't have the scan the list of clocks doing
> strcmp on each.

Either make it required or not.

> diff -puN arch/i386/kernel/hpet.c~clocksource-initialize-list-value arch/i386/kernel/hpet.c
> --- a/arch/i386/kernel/hpet.c~clocksource-initialize-list-value
> +++ a/arch/i386/kernel/hpet.c
> @@ -27,6 +27,7 @@ static struct clocksource clocksource_hp
> .mult = 0, /* set below */
> .shift = HPET_SHIFT,
> .is_continuous = 1,
> + .list = CLOCKSOURCE_LIST_INIT(clocksource_hpet.list),
...
> +/* Abstracted list initialization */
> +#define CLOCKSOURCE_LIST_INIT(x) LIST_HEAD_INIT(x)
> +

Please use LIST_HEAD_INIT(). This is not an abstraction, this is an
obfuscation.

tglx


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