From owner-freebsd-smp Sun Sep 24 11:39:23 2000 Delivered-To: freebsd-smp@freebsd.org Received: from flood.ping.uio.no (flood.ping.uio.no [129.240.78.31]) by hub.freebsd.org (Postfix) with ESMTP id EEC1937B422; Sun, 24 Sep 2000 11:39:18 -0700 (PDT) Received: (from des@localhost) by flood.ping.uio.no (8.9.3/8.9.3) id UAA49387; Sun, 24 Sep 2000 20:39:14 +0200 (CEST) (envelope-from des@ofug.org) X-URL: http://www.ofug.org/~des/ X-Disclaimer: The views expressed in this message do not necessarily coincide with those of any organisation or company with which I am or have been affiliated. To: Alfred Perlstein Cc: Warner Losh , The Hermit Hacker , Bruce Evans , freebsd-current@FreeBSD.ORG, freebsd-smp@FreeBSD.ORG Subject: Re: 'interrupt-level buffer overflows' for sio device? References: <200009080314.VAA50701@harmony.village.org> <20000924113008.N9141@fw.wintelcom.net> From: Dag-Erling Smorgrav Date: 24 Sep 2000 20:39:14 +0200 In-Reply-To: Alfred Perlstein's message of "Sun, 24 Sep 2000 11:30:08 -0700" Message-ID: Lines: 14 User-Agent: Gnus/5.0802 (Gnus v5.8.2) Emacs/20.4 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: owner-freebsd-smp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Alfred Perlstein writes: > This is basically a result of the entire kernel running at the > equivelant of splhigh, all interrupts are blocked until a context > switch in kernel land. > > There's work in progress to mpsafe the drivers (at least for > ethernet, more will arrive later). OK. Assuming I wanted to try and help with this work, where would be a good place to start finding out what needs to be done? DES -- Dag-Erling Smorgrav - des@ofug.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message