From owner-freebsd-hackers Tue Oct 14 09:59:05 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id JAA00730 for hackers-outgoing; Tue, 14 Oct 1997 09:59:05 -0700 (PDT) (envelope-from owner-freebsd-hackers) Received: from grayling.erg.sri.com (grayling.erg.sri.com [128.18.4.194]) by hub.freebsd.org (8.8.7/8.8.7) with SMTP id JAA00717 for ; Tue, 14 Oct 1997 09:59:02 -0700 (PDT) (envelope-from templin@erg.sri.com) Received: from grayling.erg.sri.com by grayling.erg.sri.com (8.6.12/2.7davy) id JAA03886; Tue, 14 Oct 1997 09:59:01 -0700 Message-Id: <199710141659.JAA03886@grayling.erg.sri.com> X-Mailer: exmh version 2.0delta 6/3/97 To: Mike Smith cc: freebsd-hackers@freebsd.org, templin@erg.sri.com Subject: Re: pccard driver questions (FreeBSD 2.2.2-RELEASE + PAO-970616) In-reply-to: Your message of "Tue, 14 Oct 1997 14:40:56 +0930." <199710140510.OAA00799@word.smith.net.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Tue, 14 Oct 1997 09:58:58 -0700 From: "Fred L. Templin" Sender: owner-freebsd-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk Mike, > You could map a larger window; that'd certainly be better. TBH I > haven't checked to see if there is a limitation that would prevent you > from having a 96kB window for your card. This would be nice, but I'm somewhat skeptical it will be possible. I'll certainly check into it with an optimistic viewpoint, however. > So you are guaranteed notification (at splhigh()) of card removal > before your mapping is revoked. By "guaranteed", I assume you mean guaranteed within the context of how today's code works. That's good, but this seems like something I would need to keep a close eye on should the architecture change at some point in the future. (Yes, I know - there are numerous other portions of the kernel to which this same statement would apply! :^} ) > mike Thanks for checking into this stuff, Fred templin@erg.sri.com