On Thu, 2013-02-07 at 17:25 +0100, Frederic Weisbecker wrote:
> At least for now we seem to agree on CONFIG_NO_HZ_IDLE and keep
> CONFIG_NO_HZ for compatibility. Are you ok with that? If so I'll send
> a patch.
I believe that Ingo was suggesting to have CONFIG_NO_HZ give options to
what type of config NO_HZ you want. Something like:
config NO_HZ
bool "Enable tickless support"
config NO_HZ_IDLE
bool "Stop tick when CPU is idle"
default y
depends on NO_HZ
config NO_HZ_TASK
bool "Stop tick on specified CPUs when single task is running"
default n
depends on NO_HZ
That is, if you select NO_HZ, by default NO_HZ_IDLE is also selected.
But in the kernel the NO_HZ_IDLE is used.
-- Steve
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