linux-kernel - Re: [PATCH v2 1/2] kconfig.h: Add IF

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: <NNHRMQ.2ALS3SQBYT352@crapouillou.net>
Date:   Mon, 11 Jan 2021 08:45:23 +0000
From:   Paul Cercueil <paul@...pouillou.net>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Arnd Bergmann <arnd@...nel.org>
Cc:     od@...c.me, GPIO SUBSYSTEM <linux-gpio@...r.kernel.org>,
        linux-kernel@...r.kernel.org,
        Zhou Yanjie <zhouyanjie@...yeetech.com>
Subject: Re: [PATCH v2 1/2] kconfig.h: Add IF_ENABLED() macro

Hi,

Le lun. 14 déc. 2020 à 10:05, Linus Walleij 
<linus.walleij@...aro.org> a écrit :
> On Mon, Dec 14, 2020 at 12:54 AM Paul Cercueil <paul@...pouillou.net> 
> wrote:
> 
>>  IF_ENABLED(CONFIG_FOO, ptr) evaluates to (ptr) if CONFIG_FOO is set 
>> to 'y'
>>  or 'm', NULL otherwise. The (ptr) argument must be a pointer.
>> 
>>  The IF_ENABLED() macro can be very useful to help GCC drop dead 
>> code.
> 
> I can apply this with the other patch to the pinctrl subsystem if 
> Arnd or
> someone else who is good at KConfig provides an ACK.

Arnd? Any feedback?

Cheers,
-Paul