Re: [PATCH v6 18/23] docs: add Rust documentation

[Gaelan Steele]

> On May 9, 2022, at 3:32 PM, Jonathan Corbet <corbet@xxxxxxx> wrote:
> 
>> +It is convenient to instruct editors/IDEs to format while typing,
>> +when saving or at commit time. However, if for some reason reformatting
>> +the entire kernel Rust sources is needed at some point, the following can be
>> +run::
>> +
>> +	make LLVM=1 rustfmt
> 
> I will ask whether we want this, though. Why would anybody want to
> mass-reformat the entire body of kernel code? This seems like something
> that would generate an endless stream of "helpful" patches and a lot of
> churn.

That would only happen if the code diverged from rustfmt’s output in the
first place. Generally, in Rust projects, the source tree is always kept
formatted with rustfmt - so running `make LLVM=1 rustfmt` would only
ever touch code that you’d just changed. 

Gaelan