linux-kernel - Re: [PATCH v2] Kbuild: use -fshort-wchar globally

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Message-ID: <CAK8P3a0WibLt9Bozj8F-jwkW+4-NvGb7dXJCcSZ5mr-ubt3s2Q@mail.gmail.com>
Date:   Sun, 20 Aug 2017 21:22:46 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Michal Marek <mmarek@...e.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Juergen Gross <jgross@...e.com>,
        David Vrabel <david.vrabel@...rix.com>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        xen-devel <xen-devel@...ts.xenproject.org>
Subject: Re: [PATCH v2] Kbuild: use -fshort-wchar globally

On Sun, Aug 20, 2017 at 2:31 PM, Masahiro Yamada
<yamada.masahiro@...ionext.com> wrote:
> Hi Arnd,
>
> This patch was picked up for linux-next
> (I assume it was queued up for 4.14-rc1)
> but I see this warning in Linus' tree.
>
> If we are not comfortable with this warning in the 4.13 release,
> shall I include this patch in the kbuild/fixes pull request?
> (planned this week)
>
> Please let me know your thought.

Yes, I think it would be good to have in 4.13, since it's a regression
against older kernels.

> 2017-07-26 22:36 GMT+09:00 Arnd Bergmann <arnd@...db.de>:
>> A previous patch added the --no-wchar-size-warning to the Makefile to
>> avoid this harmless warning:
>
> "A previous patch" sounds ambiguous.
>
> The previous patch was applied one year ago.
>
>
> If it is OK, I can reword like
>
> Commit 971a69db7dc0 ("Xen: don't warn about 2-byte wchar_t in efi") added ...

Good idea, thanks!

       Arnd