On Mon, 14 Sep 2009, Robert P. J. Day wrote:
> doing some research into a future newbie column on interrupts, and
> i noticed that every single config file default for the Kconfig
> variable CONFIG_GENERIC_HARDIRQS is "y", and every Kconfig file
> defines that variable as a bool and defaults it to y with no way to
> be user-selectable. so the obvious question is, under what
> circumstances will that ever be "n"?
>
> more to the point, what does that variable mean, anyway? :-)
never mind, i just realized my mistake -- that variable is tested
via an "#ifdef", so any arch that doesn't define it means implicitly
no. duh. i should have noticed that. (that includes both 32-bit
sparc and m68k.)
rday
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Robert P. J. Day Waterloo, Ontario, CANADA
Linux Consulting, Training and Annoying Kernel Pedantry.
Web page: http://crashcourse.ca
Twitter: http://twitter.com/rpjday
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