From owner-freebsd-alpha Thu Sep 5 13:31:14 2002 Delivered-To: freebsd-alpha@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 66DDF37B401 for ; Thu, 5 Sep 2002 13:31:08 -0700 (PDT) Received: from mail.speakeasy.net (mail11.speakeasy.net [216.254.0.211]) by mx1.FreeBSD.org (Postfix) with ESMTP id BCF8743E65 for ; Thu, 5 Sep 2002 13:31:07 -0700 (PDT) (envelope-from jhb@FreeBSD.org) Received: (qmail 22669 invoked from network); 5 Sep 2002 20:31:06 -0000 Received: from unknown (HELO server.baldwin.cx) ([216.27.160.63]) (envelope-sender ) by mail11.speakeasy.net (qmail-ldap-1.03) with DES-CBC3-SHA encrypted SMTP for ; 5 Sep 2002 20:31:06 -0000 Received: from laptop.baldwin.cx (gw1.twc.weather.com [216.133.140.1]) by server.baldwin.cx (8.12.5/8.12.5) with ESMTP id g85KV5Bv012380; Thu, 5 Sep 2002 16:31:05 -0400 (EDT) (envelope-from jhb@FreeBSD.org) Message-ID: X-Mailer: XFMail 1.5.2 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <15735.47756.501169.199225@grasshopper.cs.duke.edu> Date: Thu, 05 Sep 2002 16:31:05 -0400 (EDT) From: John Baldwin To: Andrew Gallatin Subject: RE: ithread preemption Cc: freebsd-alpha@FreeBSD.ORG Sender: owner-freebsd-alpha@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On 05-Sep-2002 Andrew Gallatin wrote: > > John Baldwin writes: > > Solaris doesn't run on alpha, but it also a bit different in its approach. > > I do wonder if there is a way we can violate an assumption in PAL due to > > migration though. That is, a thread could return to PAL on a different > > CPU than the one the interrupt was originally sent to. This might explain > > why only SMP has problems. > > > > Hey ... I think you have it on the nose! That makes the most sense > I've heard yet. > > Do we have any way to bind a thread to a cpu? I used to. Then KSE3 was committed. I suppose I could rewrite it from scratch again. > Drew -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message