Re: [PATCH] sched: Don't allow priority switch to realtime whenthe task doesn't belong to init_task_group and when CONFIG_RT_GROUP_SCHEDisn't set

[Peter Zijlstra]

On Mon, 2008-11-24 at 14:16 +0530, Dhaval Giani wrote:

> Which would mean the init_task_group becase it contains those tasks which are
> not grouped.

Only because of implementation details (we implement the !group case by
having them all part of a single group), conceptually they don't belong
to any group, hence talking about moving it to some group is just wrong.

Furthermore your statement shows another misconception, a group of
ungrouped tasks doesn't make sense. Either we support grouping, in which
case any task belongs to a group, or we don't and they all belong to no
(or the same) group.

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