Re: [PATCH] irqtrace-option-off-compile-fix
From: Tim Chen
Date: Tue Jul 11 2006 - 13:16:20 EST
On Tue, 2006-07-11 at 19:13 +0200, Arjan van de Ven wrote:
> 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!
My typo, it is TRACE_IRQFLAGS_SUPPORT in arch/x86_64/Kconfig.debug.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/