From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <44B35346.2070200@domain.hid> Date: Tue, 11 Jul 2006 09:29:10 +0200 From: Jan Kiszka MIME-Version: 1.0 Subject: Re: [Xenomai-help] Sychronize between Linux and Xenomai domain References: <4546494d0607092316s7dbc7406j2436714deccbfb91@domain.hid> <44B1FDBD.4060600@domain.hid> <4546494d0607100148s1f5476e3tb3f58d7ae48d4a72@domain.hid> <44B218C5.9000804@domain.hid> <4546494d0607100231x469aa596s2513e5b36cad8550@domain.hid> <44B2216A.1060904@domain.hid> <4546494d0607102125w2817ccd1j746651214cac3a6d@domain.hid> <44B341E2.9040506@domain.hid> <4546494d0607102348g181624cfxc14b47c85c00efb4@domain.hid> <4546494d0607102353j99dee1na4209decc75b05ec@domain.hid> In-Reply-To: <4546494d0607102353j99dee1na4209decc75b05ec@domain.hid> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig7E2934D9CAC81064117E886A" Sender: jan.kiszka@domain.hid List-Id: Help regarding installation and common use of Xenomai List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Li Yi (Adam)" Cc: xenomai-help This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig7E2934D9CAC81064117E886A Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: quoted-printable Li Yi (Adam) wrote: > Sorry that the email was cut off by Gmail (not sure why). >=20 > Continue with last mail: >=20 > From the code, it looks rtdm_lock_get_irqsave() will "stalls" Xenomai > domain > and implicitly Linux domain, right? Yep. >=20 > Yesterday I was thinking if a Linux task uses spin_lock_irqsave() woul= d > disable HW interrupt. So the Linux task can > be protected from being preempted by Xenomai task. But it turns out tha= t > spin_lock_irqsave() will stalls Linux domain only. True. Jan --------------enig7E2934D9CAC81064117E886A Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFEs1NHniDOoMHTA+kRAuXrAKCE3guWOuyFIHAIGNsHXhPlt3YYPACfbseF ODldUMOr1KO0izkUIiaGx9c= =5iXn -----END PGP SIGNATURE----- --------------enig7E2934D9CAC81064117E886A--