Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264242AbTEaI4t (ORCPT ); Sat, 31 May 2003 04:56:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264243AbTEaI4t (ORCPT ); Sat, 31 May 2003 04:56:49 -0400 Received: from node-d-1ea6.a2000.nl ([62.195.30.166]:19182 "EHLO laptop.fenrus.com") by vger.kernel.org with ESMTP id S264242AbTEaI4r (ORCPT ); Sat, 31 May 2003 04:56:47 -0400 Subject: Re: [PATCH RFC] 1/2 central workspace for zlib From: Arjan van de Ven Reply-To: arjanv@redhat.com To: =?ISO-8859-1?Q?J=F6rn?= Engel Cc: "David S. Miller" , jmorris@intercode.com.au, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, Con Kolivas In-Reply-To: <20030531075615.GA25089@wohnheim.fh-wedel.de> References: <20030530174319.GA16687@wohnheim.fh-wedel.de> <20030530.171410.104043496.davem@redhat.com> <20030531064851.GA20822@wohnheim.fh-wedel.de> <20030530.235505.23020750.davem@redhat.com> <20030531075615.GA25089@wohnheim.fh-wedel.de> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-WGyCU2SqoXTxuFsnq5WU" Organization: Red Hat, Inc. Message-Id: <1054372158.5259.0.camel@laptop.fenrus.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.3.92 (1.3.92-1) (Preview Release) Date: 31 May 2003 11:09:19 +0200 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --=-WGyCU2SqoXTxuFsnq5WU Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Sat, 2003-05-31 at 09:56, J=C3=B6rn Engel wrote: > CC List pruned a little. >=20 > On Fri, 30 May 2003 23:55:05 -0700, David S. Miller wrote: > > From: J=C3=B6rn Engel > > =20 > > How about preemption? zlib operations take their time, so at least = on > > up, it makes sense to preempt them, when not in softirq context. Ca= n > > this still be done lockless? > >=20 > > You'll need to disable preemption. >=20 > My gut feeling claims that this would hurt interactivity.=20 the code is decompressing data that was 4096 bytes originally. I doubt that will be anything close to some real wallclock time nowadays.... --=-WGyCU2SqoXTxuFsnq5WU 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+2HE+xULwo51rQBIRAti2AJ9+42PNjQlhlXi7ID0200udIuYulgCbBDV+ vDobyg5RSQ2gy7x9qtzmKdo= =fStp -----END PGP SIGNATURE----- --=-WGyCU2SqoXTxuFsnq5WU-- - 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/