From owner-freebsd-smp Sat Jun 12 12:49:56 1999 Delivered-To: freebsd-smp@freebsd.org Received: from cygnus.rush.net (cygnus.rush.net [209.45.245.133]) by hub.freebsd.org (Postfix) with ESMTP id 0EBE3150FB for ; Sat, 12 Jun 1999 12:49:46 -0700 (PDT) (envelope-from bright@rush.net) Received: from localhost (bright@localhost) by cygnus.rush.net (8.9.3/8.9.3) with SMTP id PAA29473; Sat, 12 Jun 1999 15:09:17 -0500 (EST) Date: Sat, 12 Jun 1999 15:09:16 -0500 (EST) From: Alfred Perlstein To: Arun Sharma Cc: smp@FreeBSD.ORG Subject: Re: simple_lock() ? In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-smp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On 12 Jun 1999, Arun Sharma wrote: > Alfred Perlstein writes: > > > The simple_lock/unlock/try_lock stuff looks like precursor work towards > > finer grained SMP. Is this true? right now it looks like it amounts > > to a NOP in SMP and UP systems, is this also true? > > It is a nop in UP systems, but calls some locking primitive on a SMP > system. because of the BGL i don't see why his is nessesary... confused, -Alfred :) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message