From mboxrd@z Thu Jan  1 00:00:00 1970
From: santosh.shilimkar@ti.com (Santosh)
Date: Fri, 09 Sep 2011 22:36:37 +0530
Subject: [RFC PATCH v2 2/3] ARM: SoC: Add per SoC SMP and CPU hotplug
	operations
In-Reply-To: <201109091706.39621.arnd@arndb.de>
References: <1315579616-27388-1-git-send-email-marc.zyngier@arm.com>
	<1315579616-27388-3-git-send-email-marc.zyngier@arm.com>
	<4E6A28F8.4070606@ti.com> <201109091706.39621.arnd@arndb.de>
Message-ID: <4E6A479D.9050706@ti.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Friday 09 September 2011 08:36 PM, Arnd Bergmann wrote:
> On Friday 09 September 2011, Santosh wrote:
>> Sorry for such a basic question but I don't understand the need
>> of these wrappers.
>> I am not upto speed on this topic but what is the motivation
>> behind the soc_smp_ops(). All of above functions are CPU specific
>> and not really soc specific though, I agree that every SOC,
>> implements it's own version.
>
> We have two separate problems to solve that we should not confuse:
>
> 1. Get multiple soc platforms to compile together in a single kernel
>     binary.
> 2. Share as much code as possible between similar soc platforms.
>
> Marc's patch only addresses the first problem, and we need that
> anyway if we want to get e.g. cortex-a9 based systems to be
> supported in the same kernel as Qualcomm and Marvell CPU based
> ones.
>
> The other part is useful too, but it's easier to do after this one.
>
Agree. Thanks for the clarification.

Regards
Santosh