linux-kernel - [PATCH v7 2/4] 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: <1375758759-29629-3-git-send-email-Waiman.Long@hp.com>
Date:	Mon,  5 Aug 2013 23:12:37 -0400
From:	Waiman Long <Waiman.Long@...com>
To:	Alexander Viro <viro@...iv.linux.org.uk>,
	Jeff Layton <jlayton@...hat.com>,
	Miklos Szeredi <mszeredi@...e.cz>,
	Ingo Molnar <mingo@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>
Cc:	Waiman Long <Waiman.Long@...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: [PATCH v7 2/4] spinlock: Enable x86 architecture to do lockless refcount update

This patch enables the x86 architecture to do lockless reference
count update using the generic lockref implementation with default
parameters. Only the x86/Kconfig file needs to be changed.

Signed-off-by: Waiman Long <Waiman.Long@...com>
---
 arch/x86/Kconfig |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index b32ebf9..79a9309 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -262,6 +262,9 @@ config ARCH_CPU_PROBE_RELEASE
 config ARCH_SUPPORTS_UPROBES
 	def_bool y
 
+config GENERIC_SPINLOCK_REFCOUNT
+	def_bool y
+
 source "init/Kconfig"
 source "kernel/Kconfig.freezer"
 
-- 
1.7.1

--
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/