b5e498ad67
We really don't want all the arch code defining stuff over and over. [ anna-maria: Added missing GENERIC_CMOS_UPDATE switch ] Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de> Cc: Paul Mundt <lethal@linux-sh.org> Link: http://lkml.kernel.org/r/1337529587.3208.2.camel@dionysos Acked-by: Sam Ravnborg <sam@ravnborg.org>
70 lines
1.6 KiB
Text
70 lines
1.6 KiB
Text
#
|
|
# Timer subsystem related configuration options
|
|
#
|
|
|
|
# Core internal switch. Selected by NO_HZ / HIGH_RES_TIMERS. This is
|
|
# only related to the tick functionality. Oneshot clockevent devices
|
|
# are supported independ of this.
|
|
config TICK_ONESHOT
|
|
bool
|
|
|
|
config NO_HZ
|
|
bool "Tickless System (Dynamic 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.
|
|
|
|
config HIGH_RES_TIMERS
|
|
bool "High Resolution Timer Support"
|
|
depends on !ARCH_USES_GETTIMEOFFSET && GENERIC_CLOCKEVENTS
|
|
select TICK_ONESHOT
|
|
help
|
|
This option enables high resolution timer support. If your
|
|
hardware is not capable then this option only increases
|
|
the size of the kernel image.
|
|
|
|
config GENERIC_CLOCKEVENTS_BUILD
|
|
bool
|
|
default y
|
|
depends on GENERIC_CLOCKEVENTS
|
|
|
|
config GENERIC_CLOCKEVENTS_MIN_ADJUST
|
|
bool
|
|
|
|
# Options selectable by arch Kconfig
|
|
|
|
# Watchdog function for clocksources to detect instabilities
|
|
config CLOCKSOURCE_WATCHDOG
|
|
bool
|
|
|
|
# Architecture has extra clocksource data
|
|
config ARCH_CLOCKSOURCE_DATA
|
|
bool
|
|
|
|
# Timekeeping vsyscall support
|
|
config GENERIC_TIME_VSYSCALL
|
|
bool
|
|
|
|
# ktime_t scalar 64bit nsec representation
|
|
config KTIME_SCALAR
|
|
bool
|
|
|
|
# Old style timekeeping
|
|
config ARCH_USES_GETTIMEOFFSET
|
|
bool
|
|
|
|
# The generic clock events infrastructure
|
|
config GENERIC_CLOCKEVENTS
|
|
bool
|
|
|
|
# Clockevents broadcasting infrastructure
|
|
config GENERIC_CLOCKEVENTS_BROADCAST
|
|
bool
|
|
depends on GENERIC_CLOCKEVENTS
|
|
|
|
# Generic update of CMOS clock
|
|
config GENERIC_CMOS_UPDATE
|
|
bool
|