Re: [tip:core/futexes] futex: use current->time_slack_ns for rt taskstoo

[Arjan van de Ven]

Darren Hart wrote:
> Commit-ID:  16f4993f4e9860715918efd4eeac928f8de1218b
> Gitweb:     http://git.kernel.org/tip/16f4993f4e9860715918efd4eeac928f8de1218b
> Author:     "Darren Hart" <dvhltc@xxxxxxxxxx>
> AuthorDate: Thu, 12 Mar 2009 00:55:59 -0700
> Commit:     Ingo Molnar <mingo@xxxxxxx>
> CommitDate: Thu, 12 Mar 2009 11:20:57 +0100
>
> futex: use current->time_slack_ns for rt tasks too
>
> RT tasks should set their timer slack to 0 on their own.  This
> patch removes the 'if (rt_task()) slack = 0;' block in
> futex_wait.

Hi,

can you explain the rationale for this reasoning?

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