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Date: Thu, 1 Nov 2012 14:08:14 +0400
From: Gleb Smirnoff <glebius@FreeBSD.org>
To: Attilio Rao <attilio@FreeBSD.org>
Subject: Re: svn commit: r242402 - in head/sys: kern vm
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On Wed, Oct 31, 2012 at 06:33:51PM +0000, Attilio Rao wrote:
A> > Doesn't this padding to cache line size only help x86 processors in an
A> > SMP kernel?  I was expecting to see some #ifdef SMP so that we don't pay
A> > a big price for no gain in small-memory ARM systems and such.  But maybe
A> > I'm misunderstanding the reason for the padding.
A> 
A> I didn't want to do this because this would be meaning that SMP option
A> may become a completely killer for modules/kernel ABI compatibility.

Do we support loading non-SMP modules on SMP kernel and vice versa?

-- 
Totus tuus, Glebius.