Re: [PATCH] irqtrace-option-off-compile-fix

[Arjan van de Ven]

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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