From: Oliver Neukum <oliver@neukum.org>
To: "Povolotsky, Alexander" <Alexander.Povolotsky@marconi.com>
Cc: "'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>,
"'andrebalsa@altern.org'" <andrebalsa@altern.org>,
"'Richard E. Gooch'" <rgooch@atnf.csiro.au>,
"'Ingo Molnar'" <mingo@elte.hu>,
"'rml@tech9.net'" <rml@tech9.net>,
"'akpm@osdl.org'" <akpm@osdl.org>,
"'Con Kolivas'" <kernel@kolivas.org>
Subject: Re: Preemption of the OS system call due to expiration of the time-sl ice for: a) SCHED_NORMAL (aka SCHED_OTHER) b) SCHED_RR
Date: Wed, 30 Jun 2004 12:50:04 +0200 [thread overview]
Message-ID: <200406301250.04473.oliver@neukum.org> (raw)
In-Reply-To: <313680C9A886D511A06000204840E1CF08F42FAE@whq-msgusr-02.pit.comms.marconi.com>
Am Mittwoch, 30. Juni 2004 11:50 schrieb Povolotsky, Alexander:
> Con - thanks for your kind answers !
>
> Preemption (due to the expiration of the time-slice) of the process, while
> it executes OS system call, - by another process (of equal or higher
> priority) when running under following scheduling policies:
>
> a) SCHED_NORMAL (aka SCHED_OTHER)
> b) SCHED_RR
>
> Is it possible in Linux 2.6 ? Linux 2.4 ?
It is possible if the kernel is compiled with CONFIG_PREEMPT
and the calling task has not blocked it.
HTH
Oliver
prev parent reply other threads:[~2004-06-30 10:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-30 9:50 Preemption of the OS system call due to expiration of the time-sl ice for: a) SCHED_NORMAL (aka SCHED_OTHER) b) SCHED_RR Povolotsky, Alexander
2004-06-30 10:35 ` Ingo Molnar
2004-06-30 10:50 ` Oliver Neukum [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=200406301250.04473.oliver@neukum.org \
--to=oliver@neukum.org \
--cc=Alexander.Povolotsky@marconi.com \
--cc=akpm@osdl.org \
--cc=andrebalsa@altern.org \
--cc=kernel@kolivas.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=rgooch@atnf.csiro.au \
--cc=rml@tech9.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.