linux-kernel - [PATCH, -tip] Remove redundant RCU_CPU_STALL

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Message-ID: <20081223220345.GA16472@linux.vnet.ibm.com>
Date:	Tue, 23 Dec 2008 14:03:45 -0800
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org
Cc:	mingo@...e.hu, tglx@...utronix.de, akpm@...ux-foundation.org,
	ralf@...ux-mips.org, kernel@...tstofly.org, hskinnemoen@...el.com,
	cooloney@...nel.org, tony.luck@...el.com, geert@...ux-m68k.org,
	zippel@...ux-m68k.org, jwboyer@...ux.vnet.ibm.com,
	mporter@...nel.crashing.org, grant.likely@...retlab.ca,
	paulus@...ba.org, benh@...nel.crashing.org, dhowells@...hat.com,
	yasutake.koichi@...panasonic.com, lethal@...ux-sh.org,
	hpa@...or.com
Subject: [PATCH, -tip] Remove redundant RCU_CPU_STALL_DETECTOR declaration

This patch removes the redundant RCU_CPU_STALL_DETECTOR Kconfig
parameter.  We got one from the classic RCU detector and the other
from the hierarchical RCU detector, this patch merges them.

This patch is suitable for inclusion.

Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
---

 lib/Kconfig.debug |   13 -------------
 1 files changed, 0 insertions(+), 13 deletions(-)

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 465d822..8bae51a 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -608,19 +608,6 @@ config RCU_TORTURE_TEST_RUNNABLE
 
 config RCU_CPU_STALL_DETECTOR
 	bool "Check for stalled CPUs delaying RCU grace periods"
-	depends on CLASSIC_RCU
-	default n
-	help
-	  This option causes RCU to printk information on which
-	  CPUs are delaying the current grace period, but only when
-	  the grace period extends for excessive time periods.
-
-	  Say Y if you want RCU to perform such checks.
-
-	  Say N if you are unsure.
-
-config RCU_CPU_STALL_DETECTOR
-	bool "Check for stalled CPUs delaying RCU grace periods"
 	depends on CLASSIC_RCU || TREE_RCU
 	default n
 	help
-- 
1.5.2.5

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