From owner-freebsd-arch Wed May 24 11: 1: 1 2000 Delivered-To: freebsd-arch@freebsd.org Received: from berserker.bsdi.com (berserker.twistedbit.com [199.79.183.1]) by hub.freebsd.org (Postfix) with ESMTP id 6938437BD4B for ; Wed, 24 May 2000 11:00:56 -0700 (PDT) (envelope-from cp@berserker.bsdi.com) Received: from berserker.bsdi.com (cp@localhost [127.0.0.1]) by berserker.bsdi.com (8.9.3/8.9.3) with ESMTP id MAA07427; Wed, 24 May 2000 12:00:49 -0600 (MDT) Message-Id: <200005241800.MAA07427@berserker.bsdi.com> To: Andrew Gallatin Cc: arch@freebsd.org Subject: Re: Preemptive kernel on older X86 hardware From: Chuck Paterson Date: Wed, 24 May 2000 12:00:49 -0600 Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG } }If this isn't possible on an x86, please don't laugh too hard. I }really don't know much about low-level x86 details. } }Cheers, } }Drew It can be done. In BSD/OS and Solaris however the locks must be gotten because they are what protect from interrupt service. Chuck To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message