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Date: Wed, 13 Jun 2012 18:19:51 +0200 From: Frederic Weisbecker <fweisbec@...il.com> To: Ingo Molnar <mingo@...nel.org>, Thomas Gleixner <tglx@...utronix.de> Cc: LKML <linux-kernel@...r.kernel.org>, Frederic Weisbecker <fweisbec@...il.com>, Alessio Igor Bogani <abogani@...nel.org>, Andrew Morton <akpm@...ux-foundation.org>, Avi Kivity <avi@...hat.com>, Chris Metcalf <cmetcalf@...era.com>, Christoph Lameter <cl@...ux.com>, Daniel Lezcano <daniel.lezcano@...aro.org>, Geoff Levand <geoff@...radead.org>, Gilad Ben Yossef <gilad@...yossef.com>, Hakan Akkan <hakanakkan@...il.com>, Kevin Hilman <khilman@...com>, Max Krasnyansky <maxk@...lcomm.com>, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>, Peter Zijlstra <peterz@...radead.org>, Stephen Hemminger <shemminger@...tta.com>, Steven Rostedt <rostedt@...dmis.org>, Sven-Thorsten Dietrich <thebigcorporation@...il.com> Subject: [PATCH 1/7] nohz: Add more comment about CONFIG_NO_HZ In order to prepare for adding a new config to implement adaptive tickless, clarify that CONFIG_NO_HZ alone only stops the tick on idle. Signed-off-by: Frederic Weisbecker <fweisbec@...il.com> Cc: Alessio Igor Bogani <abogani@...nel.org> Cc: Andrew Morton <akpm@...ux-foundation.org> Cc: Avi Kivity <avi@...hat.com> Cc: Chris Metcalf <cmetcalf@...era.com> Cc: Christoph Lameter <cl@...ux.com> Cc: Daniel Lezcano <daniel.lezcano@...aro.org> Cc: Geoff Levand <geoff@...radead.org> Cc: Gilad Ben Yossef <gilad@...yossef.com> Cc: Hakan Akkan <hakanakkan@...il.com> Cc: Ingo Molnar <mingo@...nel.org> Cc: Kevin Hilman <khilman@...com> Cc: Max Krasnyansky <maxk@...lcomm.com> Cc: Paul E. McKenney <paulmck@...ux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@...radead.org> Cc: Stephen Hemminger <shemminger@...tta.com> Cc: Steven Rostedt <rostedt@...dmis.org> Cc: Sven-Thorsten Dietrich <thebigcorporation@...il.com> Cc: Thomas Gleixner <tglx@...utronix.de> --- kernel/time/Kconfig | 7 +++---- 1 files changed, 3 insertions(+), 4 deletions(-) diff --git a/kernel/time/Kconfig b/kernel/time/Kconfig index fd42bd4..0883fa1 100644 --- a/kernel/time/Kconfig +++ b/kernel/time/Kconfig @@ -58,13 +58,12 @@ config TICK_ONESHOT bool config NO_HZ - bool "Tickless System (Dynamic Ticks)" + bool "Tickless idle system (Dynamic idle Ticks)" depends on !ARCH_USES_GETTIMEOFFSET && GENERIC_CLOCKEVENTS select TICK_ONESHOT help - This option enables a tickless system: timer interrupts will - only trigger on an as-needed basis both when the system is - busy and when the system is idle. + This option enables a tickless idle system: timer interrupts will + only trigger on an as-needed basis when the system is idle. config HIGH_RES_TIMERS bool "High Resolution Timer Support" -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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