From owner-freebsd-current Fri Nov 6 11:50:32 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id LAA20258 for freebsd-current-outgoing; Fri, 6 Nov 1998 11:50:32 -0800 (PST) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from post.mail.demon.net (post-12.mail.demon.net [194.217.242.41]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id LAA20218 for ; Fri, 6 Nov 1998 11:50:21 -0800 (PST) (envelope-from james@westongold.com) Received: from [158.152.96.124] (helo=wgp01.wgold.demon.co.uk) by post.mail.demon.net with esmtp (Exim 2.05demon1 #1) id 0zbrtO-0004aG-00; Fri, 6 Nov 1998 19:49:58 +0000 Received: by WGP01 with Internet Mail Service (5.5.1960.3) id ; Wed, 4 Nov 1998 09:03:12 -0000 Message-ID: <32BABEF63EAED111B2C5204C4F4F50201806@WGP01> From: James Mansion To: Daniel Eischen , James Mansion , peter@netplex.com.au Cc: current@FreeBSD.ORG, jb@cimlogic.com.au, lists@tar.com Subject: RE: Kernel threading (was Re: Thread Scheduler bug) Date: Wed, 4 Nov 1998 09:03:10 -0000 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.1960.3) Content-Type: text/plain Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Perhaps I'm being very dense, but you'll have to explain to me what you are concerned about here. *My* concern is that pthread_self, and access to thread-specific data, should be as fast as possible. Writing thread-hot libraries without good thread specific data is irksome to say the least. I'd guess that each 'kernel thread' would benefit from a private page too. James > -----Original Message----- > From: Daniel Eischen [mailto:eischen@vigrid.com] >... > > I'd like to suggest that threads (at least kernel threads) > > should share an address space EXCEPT for a page (or maybe > > more than one) that will have a common address in each thread. > > What about same process threads executing on multiple processors? > > common_address[MAX_CPUS] ? To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message