From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark Rutland <mark.rutland@arm.com>
Subject: Re: [PATCH v4 01/18] ARM64: Move the init of cpu_logical_map(0)
 before unflatten_device_tree()
Date: Wed, 17 Sep 2014 17:48:50 +0100
Message-ID: <20140917164850.GB7983@leverpostej>
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To: Olof Johansson <olof@lixom.net>
Cc: "hanjun.guo@linaro.org" <hanjun.guo@linaro.org>, Catalin Marinas <Catalin.Marinas@arm.com>, "Rafael J. Wysocki" <rjw@rjwysocki.net>, "grant.likely@linaro.org" <grant.likely@linaro.org>, Will Deacon <Will.Deacon@arm.com>, "graeme.gregory@linaro.org" <graeme.gregory@linaro.org>, Arnd Bergmann <arnd@arndb.de>, Sudeep Holla <Sudeep.Holla@arm.com>, "jcm@redhat.com" <jcm@redhat.com>, Jason Cooper <jason@lakedaemon.net>, Marc Zyngier <Marc.Zyngier@arm.com>, Bjorn Helgaas <bhelgaas@google.com>, Daniel Lezcano <daniel.lezcano@linaro.org>, Mark Brown <broonie@kernel.org>, Rob Herring <robh@kernel.org>, Robert Richter <rric@kernel.org>, Lv Zheng <lv.zheng@intel.com>, Robert Moore <robert.moore@intel.com>, Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>, Liviu Dudau <Liviu.Dudau@arm.com>, Randy Dunlap <rdunlap@infradead.org>, Charles Garcia-Tobin <Charles.Garcia-Tobin@arm.com>
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On Mon, Sep 15, 2014 at 07:16:32AM +0100, Olof Johansson wrote:
> On Fri, Sep 12, 2014 at 09:59:59PM +0800, Hanjun Guo wrote:
> > It always make sense to initialize CPU0's logical map entry from the
> > hardware values, so move the initialization of cpu_logical_map(0)
> > before unflatten_device_tree() which is needed by ACPI code later.
> > 
> > Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
> 
> Acked-by: Olof Johansson <olof@lixom.net>
> 
> With or without needs for ACPI, I don't think there's any reason for
> this code to not go in now.

I can see this being of use to psci_init() where I'd like to check
MIGRATE_INFO_TYPE and MIGRATE_INFO_UP_CPU early on for systems with PSCI
0.2+. So moving it at least that early sounds good to me.

Acked-by: Mark Rutland <mark.rutland@arm.com>

Mark.