linux-kernel - Re: [PATCH 03/20] ARM64 / ACPI: Introduce the skeleton of

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Message-ID: <52E27C03.8090903@linaro.org>
Date:	Fri, 24 Jan 2014 22:43:15 +0800
From:	Hanjun Guo <hanjun.guo@...aro.org>
To:	Catalin Marinas <catalin.marinas@....com>
CC:	Sudeep Holla <Sudeep.Holla@....com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Will Deacon <Will.Deacon@....com>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"grant.likely@...aro.org" <grant.likely@...aro.org>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	Olof Johansson <olof@...om.net>,
	Linus Walleij <linus.walleij@...aro.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Rob Herring <robh@...nel.org>,
	Mark Rutland <Mark.Rutland@....com>,
	Arnd Bergmann <arnd@...db.de>,
	"patches@...aro.org" <patches@...aro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linaro-kernel@...ts.linaro.org" <linaro-kernel@...ts.linaro.org>,
	"linaro-acpi@...ts.linaro.org" <linaro-acpi@...ts.linaro.org>,
	Charles Garcia-Tobin <Charles.Garcia-Tobin@....com>,
	Al Stone <al.stone@...aro.org>,
	"graeme.gregory@...aro.org" <graeme.gregory@...aro.org>
Subject: Re: [PATCH 03/20] ARM64 / ACPI: Introduce the skeleton of _PDC related
 for ARM64

On 2014年01月24日 00:19, Catalin Marinas wrote:
> On Mon, Jan 20, 2014 at 09:20:38AM +0000, Hanjun Guo wrote:
>> On 2014-1-17 22:25, Sudeep Holla wrote:
>>> On 17/01/14 12:24, Hanjun Guo wrote:
>>>> --- a/arch/arm64/kernel/process.c
>>>> +++ b/arch/arm64/kernel/process.c
>>>> @@ -89,6 +89,9 @@ void arch_cpu_idle_prepare(void)
>>>>   	local_fiq_enable();
>>>>   }
>>>>   
>>>> +unsigned long boot_option_idle_override = IDLE_NO_OVERRIDE;
>>>> +EXPORT_SYMBOL(boot_option_idle_override);
>>>> +
>>> This is what I mentioned in other email. Do we really foresee use of this in
>>> ARM64 or it's just added to avoid build issues ?
>> Just avoid build issues, can not foresee use of this in ARM64 :)
> So ideally we should look for a better solution here.

Ok, I will try my best.

Thanks
Hanjun
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