Re: [PATCH v2 net-next 3/5] net: dsa: microchip: add eth mac grouping for ethtool statistics

Alexander Lobakin
2023-02-28T10:56:23Z

From: Andrew Lunn <andrew@lunn.ch>
Date: Mon, 27 Feb 2023 15:52:09 +0100

>>> Easiest way to see a disassembly (also has C code interleaved) would be
>>> this:
>>>
>>> make drivers/net/dsa/microchip/ksz_ethtool.lst
>>
>> Oh, nice! I didn't know Kbuild has capability of listing the assembly
>> code built-in. I was adding it manually to Makefiles when needed >_<
>> Thanks! :D
>
> You can also do
>
> make drivers/net/dsa/microchip/ksz_ethtool.o
> make drivers/net/dsa/microchip/ksz_ethtool.S
>
> etc to get any of the intermediary files from the build process.
>
> Also
>
> make drivers/net/dsa/microchip/

I was aware of this and .o, but didn't know about .lst and .S, hehe.
Yeah, this helps a lot. Sometimes I do

make W=1 <folder/file to recheck>

so that if a driver builds cleanly before my changes, it should do so
after them as well. `make W=1` for the whole kernel is still noisy
currently.

>
> will build everything in that subdirectory and below. That can be much
> faster, especially when you have an allmodconf configuration and it
> needs to check 1000s of modules before getting around to building the
> one module you just changed. FYI: the trailing / is important.
>
> Andrew

Thanks,
Olek