From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <44B35797.1030406@domain.hid>
Date: Tue, 11 Jul 2006 09:47:35 +0200
From: Jan Kiszka <jan.kiszka@domain.hid>
MIME-Version: 1.0
Subject: Re: [Xenomai-help] Sychronize between Linux and Xenomai domain
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To: "Li Yi (Adam)" <liyiadam@domain.hid>
Cc: xenomai-help <xenomai@xenomai.org>

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Li Yi (Adam) wrote:
> Jan,
>=20
> Sorry but could you help to confirm the other question in my last (last=
)
> mail:
>=20
> "Do you mean in a "normal Linux driver", I can use
>=20
> rtdm_lock_get_irqsave() to protect my Linux task from being preempted b=
y
> Xenomai task? "
>=20

Do I have to sign somewhere? ;)

Yes, you can, and it's actually done in many existing RTDM drivers -
init/cleanup handlers that need to sync with RT users or IRQs typically
uses this mechanism (see the 16550A driver e.g.). And init/cleanup is
mostly performed from standard Linux context.

Jan


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