linux-kernel - Re: [PATCH v2 08/18] ARM64 / ACPI: Get the enable method for SMP initialization in ACPI way

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Message-ID: <53F41543.4090602@linaro.org>
Date:	Wed, 20 Aug 2014 11:25:55 +0800
From:	Hanjun Guo <hanjun.guo@...aro.org>
To:	Geoff Levand <geoff@...radead.org>
CC:	Catalin Marinas <catalin.marinas@....com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Mark Rutland <mark.rutland@....com>,
	linaro-acpi@...ts.linaro.org, Liviu Dudau <Liviu.Dudau@....com>,
	Lv Zheng <lv.zheng@...el.com>, Rob Herring <robh@...nel.org>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Robert Moore <robert.moore@...el.com>,
	linux-acpi@...r.kernel.org, Grant Likely <grant.likely@...aro.org>,
	Charles.Garcia-Tobin@....com, Robert Richter <rric@...nel.org>,
	Jason Cooper <jason@...edaemon.net>,
	Arnd Bergmann <arnd@...db.de>,
	Marc Zyngier <marc.zyngier@....com>,
	Will Deacon <will.deacon@....com>,
	Tomasz Nowicki <tomasz.nowicki@...aro.org>,
	Mark Brown <broonie@...nel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	linux-arm-kernel@...ts.infradead.org,
	Graeme Gregory <graeme.gregory@...aro.org>,
	Randy Dunlap <rdunlap@...radead.org>,
	linux-kernel@...r.kernel.org, Sudeep Holla <Sudeep.Holla@....com>,
	Olof Johansson <olof@...om.net>
Subject: Re: [PATCH v2 08/18] ARM64 / ACPI: Get the enable method for SMP
 initialization in ACPI way

On 2014-8-20 3:25, Geoff Levand wrote:
> Hi Hanjun,
> 
> On Tue, 2014-08-19 at 20:11 +0800, Hanjun Guo wrote:
>> On 2014-8-19 2:56, Geoff Levand wrote:
> 
>>> 	message = acpi_disabled ? dn->full_name : "";
>>>
>>> 	...
>>> 	
>>> 	pr_warn("CPU %d: %s unsupported enable-method property: %s\n",
>>> 				cpu, message, enable_method)
>>
>> In ACPI, there is no enable-method property, it is a term from, so I think the
>> message printed can be separated.
> 
> I think it better to have a single message that can cover all
> than to have separate messages.  Wouldn't the enable method be
> "acpi-parking" or "acpi-psci"?  Then something like this would
> work:
> 
> 	pr_warn("CPU %d: %s Unsupported enable method: %s\n", cpu, message, enable_method);

Thanks for the suggestion, I will update it in next version.

Thanks
Hanjun

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