linux-kernel - Re: [PATCH v2 05/10] hwmon: (fam15h_power) Add compute unit accumulated power

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Date:	Tue, 20 Oct 2015 19:15:25 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Huang Rui <ray.huang@....com>, kbuild test robot <lkp@...el.com>,
	Yuanhan Liu <yuanhan.liu@...ux.intel.com>,
	Fengguang Wu <fengguang.wu@...el.com>
Cc:	kbuild-all@...org, Borislav Petkov <bp@...e.de>,
	Peter Zijlstra <peterz@...radead.org>,
	Jean Delvare <jdelvare@...e.de>,
	Andy Lutomirski <luto@...capital.net>,
	Andreas Herrmann <herrmann.der.user@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...nel.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Len Brown <lenb@...nel.org>,
	John Stultz <john.stultz@...aro.org>,
	Fr�d�ric Weisbecker <fweisbec@...il.com>,
	lm-sensors@...sensors.org, linux-kernel@...r.kernel.org,
	x86@...nel.org,
	Andreas Herrmann <herrmann.der.user@...glemail.com>,
	Aravind Gopalakrishnan <Aravind.Gopalakrishnan@....com>,
	Borislav Petkov <bp@...en8.de>, Aaron Lu <aaron.lu@...el.com>,
	Tony Li <tony.li@....com>
Subject: Re: [PATCH v2 05/10] hwmon: (fam15h_power) Add compute unit
 accumulated power

On 10/20/2015 06:42 PM, Huang Rui wrote:
> On Tue, Oct 20, 2015 at 03:24:09PM +0800, kbuild test robot wrote:
>> Hi Huang,
>>
>> [auto build test ERROR on hwmon/hwmon-next -- if it's inappropriate base, please suggest rules for selecting the more suitable base]
>>
>> url:    https://github.com/0day-ci/linux/commits/Huang-Rui/hwmon-fam15h_power-Introduce-an-accumulated-power-reporting-algorithm/20151020-110712
>> config: x86_64-randconfig-s2-10201413 (attached as .config)
>> reproduce:
>>          # save the attached .config to linux build tree
>>          make ARCH=x86_64
>>
>> All errors (new ones prefixed by >>):
>>
>>     drivers/built-in.o: In function `fam15h_power_probe':
>>>> fam15h_power.c:(.text+0x26e3a3): undefined reference to `amd_get_cores_per_cu'
>>     fam15h_power.c:(.text+0x26e41e): undefined reference to `amd_get_cores_per_cu'
>>
>
> Thanks to report this issue. :)
> The root cause is that the test config doesn't enable
> CONFIG_CPU_SUP_AMD.
>
> How about below fix:
>

Guess you don't have a choice.

Guenter

> ---
> diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
> index 796569ee..603eadd 100644
> --- a/drivers/hwmon/Kconfig
> +++ b/drivers/hwmon/Kconfig
> @@ -288,7 +288,7 @@ config SENSORS_K10TEMP
>
>   config SENSORS_FAM15H_POWER
>   	tristate "AMD Family 15h processor power"
> -	depends on X86 && PCI
> +	depends on X86 && PCI && CPU_SUP_AMD
>   	help
>   	  If you say yes here you get support for processor power
>   	  information of your AMD family 15h CPU.
>
> ---
>
> Thanks,
> Rui
>

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