linux-kernel - Re: [PATCH v5 02/12] spinlock: Enable x86 architecture to do lockless refcount update

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: <alpine.DEB.2.02.1307052217500.32106@ionos.tec.linutronix.de>
Date:	Fri, 5 Jul 2013 22:19:20 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Waiman Long <Waiman.Long@...com>
cc:	Alexander Viro <viro@...iv.linux.org.uk>,
	Jeff Layton <jlayton@...hat.com>,
	Miklos Szeredi <mszeredi@...e.cz>,
	Ingo Molnar <mingo@...hat.com>, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Peter Zijlstra <peterz@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Andi Kleen <andi@...stfloor.org>,
	"Chandramouleeswaran, Aswin" <aswin@...com>,
	"Norton, Scott J" <scott.norton@...com>
Subject: Re: [PATCH v5 02/12] spinlock: Enable x86 architecture to do lockless
 refcount update

On Fri, 5 Jul 2013, Waiman Long wrote:

> There are two steps to enable each architecture to do lockless
> reference count update:
> 1. Define the ARCH_SPINLOCK_REFCOUNT config parameter in its Kconfig
>    file.

No, we select GENERIC_SPINLOCK_REFCOUNT unless we provide an
architecture specific implementation. In that case we select
ARCH_SPINLOCK_REFCOUNT.

Thanks,

	tglx
--
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/