Re: [PATCH 05/13] PM: Add option to disable /sys/power/state interface

Pavel Machek
2009-02-05T09:17:31Z

On Wed 2009-02-04 18:50:18, Arve Hj??nnev??g wrote:
> Signed-off-by: Arve Hj??nnev??g <arve@android.com>
> ---
> kernel/power/Kconfig | 9 +++++++++
> kernel/power/main.c | 4 ++++
> 2 files changed, 13 insertions(+), 0 deletions(-)
>
> diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
> index 6e3da6e..dd76467 100644
> --- a/kernel/power/Kconfig
> +++ b/kernel/power/Kconfig
> @@ -135,6 +135,15 @@ config WAKELOCK_STAT
> ---help---
> Report wake lock stats in /proc/wakelocks
>
> +config DISABLE_SYS_POWER_STATE
> + bool "Disable /sys/power/state interface"
> + depends on WAKELOCK
> + default n
> + ---help---
> + The /sys/power/state interface does not respect wakelocks. If you
> + want to run user-space code that does not support wakelocks, do not
> + enable this option since it removes the interface.

I do not think this is required for anything or useful. If you don't
want to force system to suspend, do not write to /sys/power/state. It
is root-only interface, so....

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