From: Mike Galbraith <efault@gmx.de>
To: "Tadeus (Eus) Prastowo" <0x657573@googlemail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [Priority Inheritance] SCHED_FIFO or SCHED_RR?
Date: Sun, 02 Oct 2011 09:50:07 +0200 [thread overview]
Message-ID: <1317541807.6176.120.camel@marge.simson.net> (raw)
In-Reply-To: <CAOVSwNEQzhzoKwnW5dZn8YsL5G+80_yvodmeJKBs2dSAxn7MsQ@mail.gmail.com>
On Sat, 2011-10-01 at 22:29 +0200, Tadeus (Eus) Prastowo wrote:
> On Sat, Oct 1, 2011 at 7:41 AM, Mike Galbraith <efault@gmx.de> wrote:
> > On Fri, 2011-09-30 at 21:12 +0200, Tadeus (Eus) Prastowo wrote:
> >> > Why should a SCHED_NORMAL task inheriting the priority of a SCHED_RR
> >> > task get the privilege of SCHED_FIFO task for running as long as it
> >> > wishes even when the task giving the inheritance does not have such
> >> > privilege?
> >
> > Existence of a critical section > slice would be the real problem, no?
>
> No, it's not a problem because if a real-time system designer puts a
> real-time task under SCHED_RR, he will calculate the length of the
> critical section by taking into account the slice.
Submit a patch, and see if it flies.
-Mike
next prev parent reply other threads:[~2011-10-02 7:50 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-27 23:06 Tadeus (Eus) Prastowo
2011-09-28 12:38 ` Tadeus (Eus) Prastowo
2011-09-30 19:12 ` Tadeus (Eus) Prastowo
2011-10-01 5:41 ` Mike Galbraith
2011-10-01 20:29 ` Tadeus (Eus) Prastowo
2011-10-01 20:31 ` Tadeus (Eus) Prastowo
2011-10-02 7:50 ` Mike Galbraith [this message]
2011-10-02 15:32 ` Tadeus (Eus) Prastowo
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