diff options
| author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2015-10-25 23:48:16 -0400 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2015-10-28 14:48:18 -0400 |
| commit | f90df5e27d978c492c4d911476622a7413621213 (patch) | |
| tree | df60ef2bff5c7573b459ecd72a1c08889582f812 | |
| parent | f23bef34d34b6325916daddc4cfdeee53d5139e6 (diff) | |
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>
| -rw-r--r-- | arch/arm64/Kconfig | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index c62fb0393567..4d8a5b256f65 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig | |||
| @@ -454,10 +454,7 @@ config HOTPLUG_CPU | |||
| 454 | can be controlled through /sys/devices/system/cpu. | 454 | can be controlled through /sys/devices/system/cpu. |
| 455 | 455 | ||
| 456 | source kernel/Kconfig.preempt | 456 | source kernel/Kconfig.preempt |
| 457 | 457 | source kernel/Kconfig.hz | |
| 458 | config HZ | ||
| 459 | int | ||
| 460 | default 100 | ||
| 461 | 458 | ||
| 462 | config ARCH_HAS_HOLES_MEMORYMODEL | 459 | config ARCH_HAS_HOLES_MEMORYMODEL |
| 463 | def_bool y if SPARSEMEM | 460 | def_bool y if SPARSEMEM |