From owner-freebsd-current Mon Mar 27 10:27:16 2000 Delivered-To: freebsd-current@freebsd.org Received: from rover.village.org (rover.village.org [204.144.255.49]) by hub.freebsd.org (Postfix) with ESMTP id B71D437C0D8 for ; Mon, 27 Mar 2000 10:27:13 -0800 (PST) (envelope-from imp@harmony.village.org) Received: from harmony.village.org (harmony.village.org [10.0.0.6]) by rover.village.org (8.9.3/8.9.3) with ESMTP id LAA54920; Mon, 27 Mar 2000 11:27:09 -0700 (MST) (envelope-from imp@harmony.village.org) Received: from harmony.village.org (localhost.village.org [127.0.0.1]) by harmony.village.org (8.9.3/8.8.3) with ESMTP id LAA94885; Mon, 27 Mar 2000 11:26:52 -0700 (MST) Message-Id: <200003271826.LAA94885@harmony.village.org> To: nate@yogotech.com (Nate Williams) Subject: Re: Is there spinlocks/semaphores available for drivers? Cc: Matthew Dillon , Daniel Eischen , nms@otdel-1.org, freebsd-current@FreeBSD.ORG In-reply-to: Your message of "Mon, 27 Mar 2000 10:55:57 MST." <200003271755.KAA26648@nomad.yogotech.com> References: <200003271755.KAA26648@nomad.yogotech.com> <200003271731.JAA41585@apollo.backplane.com> <200003271746.KAA26582@nomad.yogotech.com> <200003271753.JAA41782@apollo.backplane.com> Date: Mon, 27 Mar 2000 11:26:52 -0700 From: Warner Losh Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG In message <200003271755.KAA26648@nomad.yogotech.com> Nate Williams writes: : Huh? CardBus cards are *not* slow. PCMCIA cards are, but CardBus is : pretty dang fast. The consequence of Matt's position is that cardbus cards won't be able to be in their interrupt handlers at the same time. This will have a small impact on performance, but the cards will still work. Unless I'm misunderstanding Matt's position. Warner To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message