linux-kernel - Re: [PATCH v3 5/7] drivers: s390: Avoids building drivers if ARCH is not s390.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20181001124617.GA3185@osiris>
Date:   Mon, 1 Oct 2018 14:46:17 +0200
From:   Heiko Carstens <heiko.carstens@...ibm.com>
To:     Leonardo Brás <leobras.c@...il.com>
Cc:     lkcamp@...ts.libreplanetbr.org,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Finn Thain <fthain@...egraphics.com.au>,
        Robert Richter <rric@...nel.org>,
        "James E.J. Bottomley" <jejb@...isc-linux.org>,
        Helge Deller <deller@....de>,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        linux-kernel@...r.kernel.org, linux-m68k@...ts.linux-m68k.org,
        oprofile-list@...ts.sf.net, linux-parisc@...r.kernel.org,
        linux-s390@...r.kernel.org
Subject: Re: [PATCH v3 5/7] drivers: s390: Avoids building drivers if ARCH is
 not s390.

On Thu, Sep 27, 2018 at 11:08:14PM -0300, Leonardo Brás wrote:
> Avoids building s390 drivers if 'make drivers/s390/' is called but
> ARCH is not s390.
> 
> Signed-off-by: Leonardo Brás <leobras.c@...il.com>
> ---
>  drivers/s390/Makefile | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/s390/Makefile b/drivers/s390/Makefile
> index a863b0462b43..0575f02dba45 100644
> --- a/drivers/s390/Makefile
> +++ b/drivers/s390/Makefile
> @@ -3,7 +3,7 @@
>  # Makefile for the S/390 specific device drivers
>  #
>  
> -obj-y += cio/ block/ char/ crypto/ net/ scsi/ virtio/
> -
> -drivers-y += drivers/s390/built-in.a
> -
> +ifeq ($(ARCH),s390)
> +	obj-y += cio/ block/ char/ crypto/ net/ scsi/ virtio/
> +	drivers-y += drivers/s390/built-in.a
> +endif

And then somebody wants to build with e.g. "make drivers/s390/cio/" and it
still doesn't work. So _if_ this should be supported then it should work
with all directory levels and all configuration options. Otherwise this is
going to be a never ending story.