From owner-freebsd-arch Thu May 25 1:29:36 2000 Delivered-To: freebsd-arch@freebsd.org Received: from zippy.cdrom.com (zippy.cdrom.com [204.216.27.228]) by hub.freebsd.org (Postfix) with ESMTP id AD6DA37BA6C for ; Thu, 25 May 2000 01:29:34 -0700 (PDT) (envelope-from jkh@zippy.cdrom.com) Received: from localhost (jkh@localhost [127.0.0.1]) by zippy.cdrom.com (8.9.3/8.9.3) with ESMTP id BAA82648; Thu, 25 May 2000 01:31:24 -0700 (PDT) (envelope-from jkh@zippy.cdrom.com) To: Matthew Dillon Cc: Chuck Paterson , Terry Lambert , arch@FreeBSD.ORG Subject: Re: Preemptive kernel on older X86 hardware In-reply-to: Your message of "Wed, 24 May 2000 19:08:00 PDT." <200005250208.TAA78220@apollo.backplane.com> Date: Thu, 25 May 2000 01:31:23 -0700 Message-ID: <82645.959243483@localhost> From: "Jordan K. Hubbard" Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > On intel anyway, subroutine calls are *cheap*, especially compared > to the overhead of a locked instruction or even an L1 cache miss. I don't believe this is true on all the architectures FreeBSD is anticipated to run on in the "near future", however. - Jordan To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message