linux-kernel - [tip:core/rcu] RCU: make treercu be default

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Date:	Fri, 3 Apr 2009 16:45:29 GMT
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, paulmck@...ux.vnet.ibm.com,
	hpa@...or.com, mingo@...hat.com, tglx@...utronix.de, mingo@...e.hu
Subject: [tip:core/rcu] RCU: make treercu be default

Commit-ID:  31c9a24ec82926fcae49483e53566d231e705057
Gitweb:     http://git.kernel.org/tip/31c9a24ec82926fcae49483e53566d231e705057
Author:     Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
AuthorDate: Thu, 2 Apr 2009 21:06:25 -0700
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Fri, 3 Apr 2009 18:27:37 +0200

RCU: make treercu be default

Impact: switch default config from CLASSIC_RCU to TREE_RCU

Given that I have not gotten any complaints or bug reports on treercu
recently, this patch makes it be the default.  There are a number of
other defconfig files that explicitly call out CLASSIC_RCU, but which
have comment headers saying not to edit them.  Probably holdovers from
one of the flavors of "make config", but...

Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
Cc: akpm@...ux-foundation.org
Cc: dipankar@...ibm.com
Cc: niv@...ibm.com
Cc: manfred@...orfullife.com
Cc: peterz@...radead.org
LKML-Reference: <20090403040625.GA9473@...ux.vnet.ibm.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>

---
 init/Kconfig |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/init/Kconfig b/init/Kconfig
index 14c483d..26ac877 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -302,7 +302,7 @@ menu "RCU Subsystem"

 choice
 	prompt "RCU Implementation"
-	default CLASSIC_RCU
+	default TREE_RCU

 config CLASSIC_RCU
 	bool "Classic RCU"
--
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