Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262134AbTERQg0 (ORCPT ); Sun, 18 May 2003 12:36:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262131AbTERQg0 (ORCPT ); Sun, 18 May 2003 12:36:26 -0400 Received: from node-d-1ea6.a2000.nl ([62.195.30.166]:33008 "EHLO laptop.fenrus.com") by vger.kernel.org with ESMTP id S262134AbTERQgZ (ORCPT ); Sun, 18 May 2003 12:36:25 -0400 Subject: Re: recursive spinlocks. Shoot. From: Arjan van de Ven Reply-To: arjanv@redhat.com To: William Lee Irwin III Cc: "Martin J. Bligh" , ptb@it.uc3m.es, linux-kernel@vger.kernel.org In-Reply-To: <20030518163537.GZ8978@holomorphy.com> References: <200305180921.h4I9LdD13274@oboe.it.uc3m.es> <19930000.1053275409@[10.10.2.4]> <20030518163537.GZ8978@holomorphy.com> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-fCBw45pgk2c8u7ilb37f" Organization: Red Hat, Inc. Message-Id: <1053276543.1300.10.camel@laptop.fenrus.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.4 (1.2.4-2) Date: 18 May 2003 18:49:04 +0200 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1296 Lines: 38 --=-fCBw45pgk2c8u7ilb37f Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Sun, 2003-05-18 at 18:35, William Lee Irwin III wrote: > At some point in the past, Peter Breuer's attribution was removed from: > >> Here's a before-breakfast implementation of a recursive spinlock. That > >> is, the same thread can "take" the spinlock repeatedly.=20 >=20 > On Sun, May 18, 2003 at 09:30:17AM -0700, Martin J. Bligh wrote: > > Why? >=20 > netconsole. not really. the netconsole issue is tricky and recursive, but recursive locks aren't the solution; that would require a rewrite of the network drivers. It's far easier to solve it by moving the debug printk's instead. --=-fCBw45pgk2c8u7ilb37f Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (GNU/Linux) iD8DBQA+x7l/xULwo51rQBIRAhDgAJ9jh2eJRHmAN9HljzmgNIkkfapyOACdGQ81 ckoyGP2zkGqF2CubQJKd1Qw= =pP5V -----END PGP SIGNATURE----- --=-fCBw45pgk2c8u7ilb37f-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/