From: Philippe Gerum <rpm@xenomai.org>
To: Jan Kiszka <jan.kiszka@domain.hid>
Cc: xenomai-core <xenomai@xenomai.org>
Subject: Re: [Xenomai-core] xnsched_resched_p test in hisyscall
Date: Fri, 19 Oct 2007 05:27:03 +0200 [thread overview]
Message-ID: <1192764423.6252.4.camel@domain.hid> (raw)
In-Reply-To: <4717C642.6030002@domain.hid>
On Thu, 2007-10-18 at 22:46 +0200, Jan Kiszka wrote:
> Hi Philippe,
>
> what's the point about
>
> if (xnsched_resched_p())
> xnpod_schedule();
>
> at the beginning of do_hisyscall_event() [1]? Could you provide a
> comment for the background of this hunk? Or can we even remove it?
No, we can't. It's a Blackfin-specific thing in disguise actually, so we
may make this code conditional through some arch-dependent wrapper
though.
http://www.rts.uni-hannover.de/xenomai/lxr/source/include/asm-blackfin/bits/pod.h#141
>
> Jan
>
> [1]http://www.rts.uni-hannover.de/xenomai/lxr/source/ksrc/nucleus/shadow.c?v=SVN-trunk#1870
>
--
Philippe.
next prev parent reply other threads:[~2007-10-19 3:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-18 20:46 [Xenomai-core] xnsched_resched_p test in hisyscall Jan Kiszka
2007-10-19 3:27 ` Philippe Gerum [this message]
2007-10-19 8:04 ` [Xenomai-core] [PATCH] avoid resched test on syscall entry (was: xnsched_resched_p test in hisyscall) Jan Kiszka
2007-11-05 7:53 ` [Xenomai-core] [PATCH] avoid resched test on syscall entry Jan Kiszka
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