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Date: Sun, 16 Oct 2005 08:46:26 +0100
From: Al Viro <viro@ftp.linux.org.uk>
To: "David S. Miller" <davem@davemloft.net>
Cc: torvalds@osdl.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] highest_possible_processor_id() has to be a macro
Message-ID: <20051016074626.GC7992@ftp.linux.org.uk>
References: <20051015235112.GA7992@ftp.linux.org.uk> <20051016.001649.94729039.davem@davemloft.net>
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On Sun, Oct 16, 2005 at 12:16:49AM -0700, David S. Miller wrote:
> From: Al Viro <viro@ftp.linux.org.uk>
> Date: Sun, 16 Oct 2005 00:51:12 +0100
> 
> > 	... otherwise, things like alpha and sparc64 break and break
> > badly.  They define cpu_possible_map to something else in smp.h
> > *AFTER* having included cpumask.h.
> 
> So ugly...
> 
> But, it's the best fix for now.
> 
> Longer term we might want to make an asm/cpumask.h that can
> help allow the platforms to cleanly say "well, mask X is
> equivalent to Y, so only instantiate X and define Y to X"

Indeed, but playing with moving stuff from smp.h is definitely post-2.6.14
fodder...