Re: [Bug 11388] New: 2.6.27-rc3 warns about MTRR range; only 3 of16gb of memory is usable

[Ingo Molnar]

* Yinghai Lu <yhlu.kernel@xxxxxxxxx> wrote:

> > +               if (tmp != mask_lo) {
> > +                       WARN_ON("mtrr: your BIOS has set up an incorrect mask, fixing it up.\n");
> 
> can you change WARN_ON to WARN_ON_ONCE ?

the commit below does that. Note that the condition is 
WARN_ON(condition) or WARN(string) - WARN_ON(string) will just print a 
kernel stack unconditionally. Unfortunately there's no WARN_ONCE(). 
(Arjan?)

	Ingo

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