Re: [patch 128/197] freezer: add try_to_freeze calls to all kernel threads

[Stefan Richter <stefanr@s5r6.in-berlin.de>]

Pavel Machek wrote:
>> > Add try_to_freeze() calls to the remaining kernel threads that do not call
>> > try_to_freeze() already, although they set PF_NOFREEZE.
>> > 
>> > In the future we are going to replace PF_NOFREEZE with a set of flags that
>> > will be set to indicate in which situations the task should not be frozen (for
>> > example, there can be a task that should be frozen for the CPU hotplugging and
>> > should not be frozen for the system suspend).
[...]
>> Why add no-op-try_to_freeze() everywhere now, instead of adding it later
>> when it will actually be needed?  (I.e. "in the future".)
> 
> It is needed later in the patch series... for kprobes, etc.

So does freezer_exempt() still do what its name says, or does it
freezer_exempt_but_not_always() now?
-- 
Stefan Richter
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