On Sun, 7 Jul 2019 01:25:08 +0900 Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> wrote: > The assembler files in the kernel are *.S instead of *.s, so they must > be preprocessed. Since 'as' of GNU binutils is not able to preprocess, > we always use $(CC) as an assembler driver. > > $(AS) is almost unused in Kbuild. As of writing, there is just one place > that directly invokes $(AS). > > $ git grep -e '$(AS)' -e '${AS}' -e '$AS' -e '$(AS:' -e '${AS:' -- :^Documentation > drivers/net/wan/Makefile: AS68K = $(AS) > > The documentation about *_AFLAGS* sounds like the flags were passed > to $(AS). This is somewhat misleading. > > Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> > Reviewed-by: Nathan Chancellor <natechancellor@xxxxxxxxx> Would you like me to send this up through the docs tree? Thanks, jon