[PATCH] powerpc: unconditionally enabled irq stacks

[Michael Ellerman]

On Thu, 2010-06-03 at 10:24 +0200, Christoph Hellwig wrote:
> Irq stacks provide an essential protection from stack overflows through
> external interrupts, at the cost of two additionals stacks per CPU.
> 
> Enable them unconditionally to simplify the kernel build and prevent
> people from accidentally disabling them.

Since when did we worry about simplifying the kernel build? :)

I'm thinking embedded folks might prefer the reduction in stack space,
though I guess we'll let them speak for themselves. Perhaps it could
depend on EMBEDDED?

It's not like it's a lot of extra code.

cheers



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