[PATCH] powerpc/64s: dt_cpu_ftrs boot time setup option

[Paul Clarke]

On 05/11/2017 10:46 PM, Michael Ellerman wrote:
> Paul Clarke <pc at us.ibm.com> writes:
>> On 05/11/2017 06:24 AM, Nicholas Piggin wrote:
>>> Provide a dt_cpu_ftrs= cmdline option to disable the dt_cpu_ftrs CPU
>>> feature discovery, and fall back to the "cputable" based version.
>>
>> This boat has already sailed, I think, but "ftrs"?
> 
> What you think vowels grow on trees! :)

At least you're using lower-case, which takes less space.  ;-)

>> Was it too difficult to type "features"?

I see "ftrs" and think "footers".

> For the command line option we could spell out features.
> 
> But should we also expand "dt", and "cpu" ?
> 
> device_tree_central_processing_unit_features=off

I'm not the biggest fan of "dt" ("devtree", anyone?), but that's certainly established.

So _that's_ what "cpu" stands for!  ;-)

> :P
> 
>> This seems like something that should be easy and intuitive to find
>> and understand.
> 
> Maybe. Ideally no one will ever use it, certainly not end users, it's
> primarily intended for developers doing bring-up.

I'm a developer, and I like to be able to understand something at a glance.  (Hmm, what are "CPU footers"?)

:-P

PC