From owner-freebsd-questions@FreeBSD.ORG Tue Apr 22 17:41:27 2003 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7014037B401 for ; Tue, 22 Apr 2003 17:41:27 -0700 (PDT) Received: from obsecurity.dyndns.org (adsl-67-115-75-1.dsl.lsan03.pacbell.net [67.115.75.1]) by mx1.FreeBSD.org (Postfix) with ESMTP id CC95243F75 for ; Tue, 22 Apr 2003 17:41:26 -0700 (PDT) (envelope-from kris@obsecurity.org) Received: from rot13.obsecurity.org (rot13.obsecurity.org [10.0.0.5]) by obsecurity.dyndns.org (Postfix) with ESMTP id 7E28266D6A; Tue, 22 Apr 2003 17:41:26 -0700 (PDT) Received: by rot13.obsecurity.org (Postfix, from userid 1000) id 626421537; Tue, 22 Apr 2003 17:41:26 -0700 (PDT) Date: Tue, 22 Apr 2003 17:41:26 -0700 From: Kris Kennaway To: Aniruddha Bohra Message-ID: <20030423004126.GA66282@rot13.obsecurity.org> References: <3EA5B8CF.7080803@cs.rutgers.edu> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="J/dobhs11T7y2rNN" Content-Disposition: inline In-Reply-To: <3EA5B8CF.7080803@cs.rutgers.edu> User-Agent: Mutt/1.4i cc: freebsd-questions@freebsd.org Subject: Re: Interrupt threads X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 23 Apr 2003 00:41:27 -0000 --J/dobhs11T7y2rNN Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, Apr 22, 2003 at 05:49:03PM -0400, Aniruddha Bohra wrote: > Hello > Reading the implementation of interrupt handling on i386, > and reading Greg Lehey's Usenix paper on FreeBSD 5.0 SMP > implementation, I understand that interrupt handling is done in > process context. This is needed partly to support sleeping while > handling the interrupt because GIANT needs to be locked and > a sleep is possible there. This question would probably be better asked on the SMP list than the generic tech support mailing list. Kris --J/dobhs11T7y2rNN Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (FreeBSD) iD8DBQE+peE2Wry0BWjoQKURAmTSAJwJ1k9E6UuvSUO/OEPVUaxzJhzi2QCgvTIs 2yB3/jPCamxHiSrbiXvONDQ= =0YYf -----END PGP SIGNATURE----- --J/dobhs11T7y2rNN--