From: Ingo Molnar <mingo@elte.hu>
Date: Mon, 5 Mar 2007 11:29:28 +0000 (+0100)
Subject: [PATCH] paravirt: remove NO_IDLE_HZ on x86
X-Git-Tag: v2.6.21-rc3~58
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=3f1a73b6dd52f1f279c05263ee79ca14f45d9d25;p=~shefty%2Frdma-dev.git

[PATCH] paravirt: remove NO_IDLE_HZ on x86

Temove the mistaken turning on of NO_IDLE_HZ on x86+PARAVIRT kernels.

It's an obsolete, limited form of dynticks.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index e970887b9e6..06590388662 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -1287,12 +1287,3 @@ config X86_TRAMPOLINE
 config KTIME_SCALAR
 	bool
 	default y
-
-config NO_IDLE_HZ
-	bool
-	depends on PARAVIRT
-	default y
-	help
-	  Switches the regular HZ timer off when the system is going idle.
-	  This helps a hypervisor detect that the Linux system is idle,
-	  reducing the overhead of idle systems.