From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <35757b878c871c14ab946e9318e58d99@caldo.demon.co.uk> To: 9fans@cse.psu.edu Subject: Re: [9fans] proc.c From: forsyth@caldo.demon.co.uk MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="upas-ibtqbmtpayychbdtrfjhpsrlrf" Date: Fri, 3 May 2002 20:05:37 +0100 Topicbox-Message-UUID: 87d4fba2-eaca-11e9-9e20-41e7f4b1d025 This is a multi-part message in MIME format. --upas-ibtqbmtpayychbdtrfjhpsrlrf Content-Disposition: inline Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit silly question. i'd overlooked that it was always the same element of the runq array that was locked even though there's one per level. --upas-ibtqbmtpayychbdtrfjhpsrlrf Content-Type: message/rfc822 Content-Disposition: inline Return-Path: <9fans-admin@cse.psu.edu> Received: from punt-1.mail.demon.net by mailstore for forsyth@caldo.demon.co.uk id 1020451613:10:15648:18; Fri, 03 May 2002 18:46:53 GMT Received: from psuvax1.cse.psu.edu ([130.203.4.6]) by punt-1.mail.demon.net id aa1127966; 3 May 2002 18:46 GMT Received: from psuvax1.cse.psu.edu (psuvax1.cse.psu.edu [130.203.6.6]) by mail.cse.psu.edu (CSE Mail Server) with ESMTP id B80DC19A71; Fri, 3 May 2002 14:46:07 -0400 (EDT) Delivered-To: 9fans@cse.psu.edu Received: from plan9.cs.bell-labs.com (ampl.com [204.178.31.2]) by mail.cse.psu.edu (CSE Mail Server) with SMTP id 08C1B19A66 for <9fans@cse.psu.edu>; Fri, 3 May 2002 14:45:43 -0400 (EDT) Message-ID: <66e41ec29dc2fbbb5ea622fec600451d@plan9.bell-labs.com> To: 9fans@cse.psu.edu Subject: Re: [9fans] proc.c MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="upas-jaridrlnywwphhkfoqsdpchtjt" Sender: 9fans-admin@cse.psu.edu Errors-To: 9fans-admin@cse.psu.edu X-BeenThere: 9fans@cse.psu.edu X-Mailman-Version: 2.0.9 Precedence: bulk Reply-To: 9fans@cse.psu.edu List-Id: Fans of the OS Plan 9 from Bell Labs <9fans.cse.psu.edu> List-Archive: Date: Fri, 3 May 2002 14:45:41 -0400 This is a multi-part message in MIME format. --upas-jaridrlnywwphhkfoqsdpchtjt Content-Disposition: inline Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Lock runq; --upas-jaridrlnywwphhkfoqsdpchtjt Content-Type: message/rfc822 Content-Disposition: inline Received: from plan9.cs.bell-labs.com ([135.104.9.2]) by plan9; Fri May 3 12:52:14 EDT 2002 Received: from mail.cse.psu.edu ([130.203.4.6]) by plan9; Fri May 3 12:52:13 EDT 2002 Received: from psuvax1.cse.psu.edu (psuvax1.cse.psu.edu [130.203.8.6]) by mail.cse.psu.edu (CSE Mail Server) with ESMTP id C257F19A7B; Fri, 3 May 2002 12:52:06 -0400 (EDT) Delivered-To: 9fans@cse.psu.edu Received: from lavoro.home.cs.york.ac.uk (public1-york1-5-cust17.leed.broadband.ntl.com [80.0.45.17]) by mail.cse.psu.edu (CSE Mail Server) with SMTP id 296AA19A77 for <9fans@cse.psu.edu>; Fri, 3 May 2002 12:51:32 -0400 (EDT) Message-ID: To: 9fans@cse.psu.edu From: forsyth@caldo.demon.co.uk MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Subject: [9fans] proc.c Sender: 9fans-admin@cse.psu.edu Errors-To: 9fans-admin@cse.psu.edu X-BeenThere: 9fans@cse.psu.edu X-Mailman-Version: 2.0.9 Precedence: bulk Reply-To: 9fans@cse.psu.edu List-Id: Fans of the OS Plan 9 from Bell Labs <9fans.cse.psu.edu> List-Archive: Date: Fri, 3 May 2002 17:45:43 +0100 i must be missing something. i've wondered which lock protects nrdy in /sys/src/9/port/proc.c on a multiprocessor, and if it doesn't matter, why not? --upas-jaridrlnywwphhkfoqsdpchtjt-- --upas-ibtqbmtpayychbdtrfjhpsrlrf--