linux-kernel - Re: [PATCH] MPILIB: Provide count_leading/trailing

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: <5723.1342794099@warthog.procyon.org.uk>
Date:	Fri, 20 Jul 2012 15:21:39 +0100
From:	David Howells <dhowells@...hat.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	dhowells@...hat.com, linux-security-module@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	Dmitry Kasatkin <dmitry.kasatkin@...el.com>
Subject: Re: [PATCH] MPILIB: Provide count_leading/trailing_zeros() based on arch functions

Arnd Bergmann <arnd@...db.de> wrote:

> I don't generally like to put stuff into asm-generic when it's unlikely
> to be overridden by architectures. It would really belong into
> include/linux, but then again we have all the other bitops in asm-generic
> as well, so whatever...

Some arches (such as Sparc, I think) have count-leading-zero instructions.

David
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/