linux-kernel - Re: [PATCH 1/5] integrity: remove unneeded, broken attempt to add -fshort-wchar

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Date:   Mon, 9 Sep 2019 20:43:33 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Mimi Zohar <zohar@...ux.ibm.com>, linux-integrity@...r.kernel.org
Cc:     Dave Howells <dhowells@...hat.com>,
        James Morris <jmorris@...ei.org>,
        Josh Boyer <jwboyer@...oraproject.org>,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        Nayna Jain <nayna@...ux.ibm.com>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-security-module <linux-security-module@...r.kernel.org>
Subject: Re: [PATCH 1/5] integrity: remove unneeded, broken attempt to add -fshort-wchar

On Fri, Jul 26, 2019 at 11:11 AM Masahiro Yamada
<yamada.masahiro@...ionext.com> wrote:
>
> I guess commit 15ea0e1e3e18 ("efi: Import certificates from UEFI Secure
> Boot") attempted to add -fshort-wchar for building load_uefi.o, but it
> has never worked as intended.
>
> load_uefi.o is created in the platform_certs/ sub-directory. If you
> really want to add -fshort-wchar, the correct code is:
>
>   $(obj)/platform_certs/load_uefi.o: KBUILD_CFLAGS += -fshort-wchar
>
> or, in a more Kbuild-ish way:
>
>   CFLAGS_load_uefi.o := -fshort-wchar
>
> But, you do not need to fix it.
>
> Commit 8c97023cf051 ("Kbuild: use -fshort-wchar globally") had already
> added -fshort-wchar globally. This code was unneeded in the first place.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
> ---

Ping.



>
>  security/integrity/Makefile | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/security/integrity/Makefile b/security/integrity/Makefile
> index 19faace69644..b6d6273a4176 100644
> --- a/security/integrity/Makefile
> +++ b/security/integrity/Makefile
> @@ -13,7 +13,6 @@ integrity-$(CONFIG_INTEGRITY_PLATFORM_KEYRING) += platform_certs/platform_keyrin
>  integrity-$(CONFIG_LOAD_UEFI_KEYS) += platform_certs/efi_parser.o \
>                                         platform_certs/load_uefi.o
>  integrity-$(CONFIG_LOAD_IPL_KEYS) += platform_certs/load_ipl_s390.o
> -$(obj)/load_uefi.o: KBUILD_CFLAGS += -fshort-wchar
>
>  subdir-$(CONFIG_IMA)                   += ima
>  obj-$(CONFIG_IMA)                      += ima/
> --
> 2.17.1
>


-- 
Best Regards
Masahiro Yamada