linux-kernel - Re: [PATCH v2] include: linux: Reorganize timekeeping and ktime headers

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Date:   Thu, 22 Jul 2021 07:54:22 -0400
From:   Carlos Bilbao <bilbao@...edu>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>, jianyong.wu@....com,
        Matthew Wilcox <willy@...radead.org>
Subject: Re: [PATCH v2] include: linux: Reorganize timekeeping and ktime headers

On Wednesday, July 21, 2021 5:09:50 PM EDT Thomas Gleixner wrote:
> 
> I have no objections against this change per se, but I'm missing the
> actual problem it is trying to solve. What's the fail it fixes or is it
> just a general consolidation? The above is blury in that regard.
> 

Well, at first I just wanted to fix the header dependencies, since timekeeping.h
is using ktime_to_ns(), a static function defined ktime.h, but it does not 
include the header. Then Arnd rightly pointed out this was an opportunity to
perform a bit more housekeeping and consolidation, yes.

> > This patch also includes the header timekeeping.h wherever it is
> > necessary for a successful compilation after the header code
> > reorganization.
> 
> Please do:
> 
>   git grep 'This patch' Documentation/process/
> 
> and follow the instructions there.

All right, I understand I should be following the imperative mood there.

> 
> Aside of that I assume that you only covered x86 in build testing which
> is not cutting it as this is generic infrastructure affecting _all_
> architectures.
> 
> Thanks,
> 
>         tglx

Thanks for the feedback Thomas, I will cross compile with the other archs
to make sure we are not leaving anyone behind and send updated version (v3).

Carlos-