From mboxrd@z Thu Jan  1 00:00:00 1970
From: linux@arm.linux.org.uk (Russell King - ARM Linux)
Date: Tue, 5 Oct 2010 23:33:10 +0100
Subject: [PATCH] ARM: Check for is_smp for tlb_ops and cache_ops boardcast
In-Reply-To: <20101005221952.GV3117@atomide.com>
References: <20100817104414.19061.38999.stgit@baageli.muru.com>
	<20100906104413.GD20903@n2100.arm.linux.org.uk>
	<20100906180346.GC20849@atomide.com>
	<20100908030951.GH22507@atomide.com>
	<20100908031214.GI22507@atomide.com>
	<20101005221952.GV3117@atomide.com>
Message-ID: <20101005223310.GA14065@n2100.arm.linux.org.uk>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Tue, Oct 05, 2010 at 03:19:52PM -0700, Tony Lindgren wrote:
> * Tony Lindgren <tony@atomide.com> [100907 20:04]:
> > This should not be needed when running on UP systems.
> > 
> > Additionally we will also get an undefined instruction on ARM cores
> > without the extended CPUID registers with CONFIG_SMP_ON_UP.
> > 
> > Also, we can now remove the is_smp() test from mmu.c.
> 
> Just FYI, I've updated this one more time with to use cpus_empty
> instead of !smp_on_up() here as well.

What's the rationale?