[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 e970887b9e696b62f1ff8b8044bf7709e3a7a06b..065903886624368272d7567dddd2a1c0c52cfc77 100644 (file)
--- 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.