arm64: make Timer Interrupt Frequency selectable

It allows a selectable timer interrupt frequency of 100, 250, 300 and 1000 HZ.
We will get better performance when choose a suitable frequency in some scene.

Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Kefeng Wang 2015-10-26 11:48:16 +08:00 committed by Catalin Marinas
parent f23bef34d3
commit f90df5e27d

View File

@ -454,10 +454,7 @@ config HOTPLUG_CPU
can be controlled through /sys/devices/system/cpu.
source kernel/Kconfig.preempt
config HZ
int
default 100
source kernel/Kconfig.hz
config ARCH_HAS_HOLES_MEMORYMODEL
def_bool y if SPARSEMEM