On Tue, 2006-07-11 at 09:23 -0700, Tim Chen wrote:
> I was testing on x86_64 and turned off the option in
> arch/x86_64/Kconfig.debug.
>
> When the option is turned off, the following functions become undefined:
> local_irq_disable()
> local_irq_enable()
> local_irq_save(flags)
> local_irq_restore(flags)
> safe_halt()
> local_save_flags()
> irqs_disabled()
> irqs_disabled_flags(flags)
>
> It seems plausible that some users may want to avoid the overhead of
> tracing IRQFLAGS by turning the option off.
eh that is a different config option!
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