Re: 2.6.32-rc3: floating-point build failure (undefined referenceto `__udivdi3' in menu governor)

From: Arjan van de Ven
Date: Fri Oct 09 2009 - 13:14:20 EST


Kyle McMartin wrote:
On Fri, Oct 09, 2009 at 09:32:13AM -0700, Arjan van de Ven wrote:
Hmpf. Rather stuck now, ain'tcha, given that gcc 3.2.3 doesn't even have those?

wonder if making a new define with the value of RESOLUTION * DECAY
(the actual value obviously) convinces your gcc that it really is a power of two ?


It shouldn't. Maybe just add a BUILD_BUG_ON and change the divide to a
shift directly. How expected are these values to ever change, really?


so far... they haven't. I don't really expect these to change much.
maybe once a year or so... to other powers of two

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