linux-kernel - Re: [PATCH/RFC] Re: linux-next: build failure after merge of the luto-misc tree

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 for Android: free password hash cracker in your pocket

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

Date:	Fri, 15 Jul 2016 17:49:30 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Arnaldo Carvalho de Melo <acme@...hat.com>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	Andy Lutomirski <luto@...capital.net>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...nel.org>,
	"H. Peter Anvin" <hpa@...or.com>, linux-next@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...nel.org>
Subject: Re: [PATCH/RFC] Re: linux-next: build failure after merge of the
 luto-misc tree

On Fri, Jul 15, 2016 at 12:43:26PM -0300, Arnaldo Carvalho de Melo wrote:
> Ok, same results, it works, queuing this one, ack?

Sure. Although I'm still somewhat puzzled by the duplicated effort of
__BITS_PER_LONG and BITS_PER_LONG.

> commit a08cc3e6f7bb965672a3ff60f98d0dbbc5334ee7
> Author: Peter Zijlstra <peterz@...radead.org>
> Date:   Fri Jul 15 12:38:18 2016 -0300
> 
>     tools: Simplify BITS_PER_LONG define
>     
>     Do it using (__CHAR_BIT__ * __SIZEOF_LONG__), simpler, works everywhere,
>     reduces the complexity by ditching CONFIG_64BIT, that was being
>     synthesized from yet another set of defines, which proved fragile,
>     breaking the build on linux-next for no obvious reasons.

If you ever do need to introduce CONFIG_64BIT, __LP64__ seems like the
right symbol to use for it.