[PATCH] paravirt: remove NO_IDLE_HZ on x86
authorIngo Molnar <mingo@elte.hu>
Mon, 5 Mar 2007 11:29:28 +0000 (12:29 +0100)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Mon, 5 Mar 2007 16:23:51 +0000 (08:23 -0800)
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>
arch/i386/Kconfig

index e970887..0659038 100644 (file)
@@ -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.