[PATCH v2 7/8] [PATCH 7/8] drivers/hwmon: Add a generic PECI hwmon client driver

Jae Hyun Yoo jae.hyun.yoo at linux.intel.com
Sat Feb 24 20:32:53 AEDT 2018

On 2/23/2018 4:00 PM, Miguel Ojeda wrote:
> On Thu, Feb 22, 2018 at 2:29 AM, Jae Hyun Yoo
> <jae.hyun.yoo at linux.intel.com> wrote:
>> On 2/21/2018 4:37 PM, Andrew Lunn wrote:
>>>> But even with this change, it still needs to use delayed creation
>>>> because BMC side kernel doesn't know how many DIMMs are populated on
>>>> a remote server before the remote server completes its memory
>>>> training and testing in BIOS, but it needs to check the remote
>>>> server's CPU temperature as immediate as possible to make
>>>> appropriate thermal control based on the remote CPU's temperature to
>>>> avoid any critical thermal issue. What would be a better solution in
>>>> this case?
>>> You could change this driver so that it supports one DIMM.  Move the
>>> 'hotplug' part into another driver which creates and destroys
>>> instances of the hwmon DIMM device as the DIMMS come and go.
>>> Also, do you need to handle CPU hotplug? You could split the CPU
>>> temperature part into a separate hwmon driver? And again create and
>>> destroy devices as CPUs come and go?
>>>          Andrew
>> That seems like a possible option. I'll rewrite the hwmon driver again like
>> that.
>> Thanks for the good idea. :)
> By the way, in the rewrite, please try to avoid the create*workqueue()
> functions (they are deprecated :).
> Cheers,
> Miguel

Hi Miguel,

Thanks for letting me know that. I'll replace that with 
alloc_workqueue(). :)


>> Jae

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