Re: [PATCH v2] asm-generic: Fix unistd_32.h generation format

From: Michal Simek
Date: Wed Feb 12 2020 - 04:42:54 EST


On 12. 02. 20 10:40, Geert Uytterhoeven wrote:
> Hi Michal,
>
> On Wed, Feb 12, 2020 at 10:38 AM Michal Simek <michal.simek@xxxxxxxxxx> wrote:
>> On 12. 02. 20 10:32, Geert Uytterhoeven wrote:
>>> On Wed, Feb 12, 2020 at 10:27 AM Michal Simek <michal.simek@xxxxxxxxxx> wrote:
>>>> On 12. 02. 20 10:25, Geert Uytterhoeven wrote:
>>>>> On Wed, Feb 12, 2020 at 10:23 AM Max Filippov <jcmvbkbc@xxxxxxxxx> wrote:
>>>>>> On Wed, Feb 12, 2020 at 1:16 AM Michal Simek <michal.simek@xxxxxxxxxx> wrote:
>>>>>>>
>>>>>>> Generated files are also checked by sparse that's why add newline
>>>>>>> to remove sparse (C=1) warning.
>>>>>>>
>>>>>>> The issue was found on Microblaze and reported like this:
>>>>>>> ./arch/microblaze/include/generated/uapi/asm/unistd_32.h:438:45:
>>>>>>> warning: no newline at end of file
>>>>>>>
>>>>>>> Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
>>>>>>> Reviewed-by: Stefan Asserhall <stefan.asserhall@xxxxxxxxxx>
>>>>>
>>>>>>> --- a/arch/m68k/kernel/syscalls/syscallhdr.sh
>>>>>>> +++ b/arch/m68k/kernel/syscalls/syscallhdr.sh
>>>>>>> @@ -33,4 +33,5 @@ grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | (
>>>>>>> printf "#endif\n"
>>>>>>> printf "\n"
>>>>>>> printf "#endif /* %s */\n" "${fileguard}"
>>>>>>
>>>>>> Here there's already \n at the end, so no need for another one?
>>>>>
>>>>> Thanks! I completely missed that.
>>>>> So I did fix the original while applying ;-)
>>>>
>>>> I can drop m68k or align with with others. I would prefer to have the
>>>> same solution in all these scripts.
>>>
>>> Yeah, it makes sense to align as much as possible.
>>> IIRC, the original plan was to consolidate more later.
>>>
>>> Note that all other lines are terminated with a "\n" at the end.
>>> The separate 'printf "\n"' is an extra blank line, not the terminator for the
>>> previous line.
>>
>> Should we also get rid of 'printf "\n"' lines or just keep them as they
>> are today?
>
> Usually there is a blank line above the include guard terminator, so IMHO
> it makes sense to have that in generated files, too.

I meant more not to get rid of \n just include them in current prints.
It means like this 'printf "\n#endif /* %s */\n" "${fileguard}"'

M