From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Jan Kiszka <jan.kiszka@domain.hid>
Cc: xenomai-core <xenomai@xenomai.org>
Subject: Re: [Xenomai-core] Re: I-pipe 1.7 breaks mlockall safety check
Date: Mon, 19 Feb 2007 22:24:24 +0100 [thread overview]
Message-ID: <17882.5512.521970.784116@domain.hid> (raw)
In-Reply-To: <45D9989E.4070103@domain.hid>
Jan Kiszka wrote:
> May this hunk explain the behaviour?
>
> http://www.rts.uni-hannover.de/xenomai/lxr/source/ksrc/arch/i386/patches/adeos-ipipe-2.6.20-i386-1.7-02.patch?a=i386;v=SVN-2.3.x#7755
>
> munlockall is realised via mlockall, so OR'ing here would never take
> away any flag.
My intent was to avoid that the VM_PINNED flag be cleared by mlockall.
So, I guess the correct pattern is:
current->mm->def_flags = current->mm->def_flags & ~VM_LOCKED | def_flags;
--
Gilles Chanteperdrix.
next prev parent reply other threads:[~2007-02-19 21:24 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-15 13:06 [Xenomai-core] I-pipe 1.7 breaks mlockall safety check Jan Kiszka
2007-02-15 13:56 ` [Xenomai-core] " Philippe Gerum
2007-02-15 13:58 ` Jan Kiszka
2007-02-15 17:25 ` Philippe Gerum
2007-02-16 9:07 ` Jan Kiszka
2007-02-18 23:20 ` Jan Kiszka
2007-02-18 23:31 ` Gilles Chanteperdrix
2007-02-18 23:50 ` Philippe Gerum
2007-02-19 0:20 ` Gilles Chanteperdrix
2007-02-19 7:30 ` Jan Kiszka
2007-02-19 12:31 ` Jan Kiszka
2007-02-19 12:36 ` Philippe Gerum
2007-02-19 21:24 ` Gilles Chanteperdrix [this message]
2007-02-19 22:43 ` Philippe Gerum
2007-02-19 8:10 ` Philippe Gerum
2007-02-19 22:48 ` Gilles Chanteperdrix
2007-02-19 23:26 ` Philippe Gerum
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