From owner-freebsd-hackers Fri Aug 30 13:20:20 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 239A437B400 for ; Fri, 30 Aug 2002 13:20:17 -0700 (PDT) Received: from sccrmhc01.attbi.com (sccrmhc01.attbi.com [204.127.202.61]) by mx1.FreeBSD.org (Postfix) with ESMTP id 955FF43E3B for ; Fri, 30 Aug 2002 13:20:16 -0700 (PDT) (envelope-from julian@elischer.org) Received: from InterJet.elischer.org ([12.232.206.8]) by sccrmhc01.attbi.com (InterMail vM.4.01.03.27 201-229-121-127-20010626) with ESMTP id <20020830202015.UQSM11061.sccrmhc01.attbi.com@InterJet.elischer.org>; Fri, 30 Aug 2002 20:20:15 +0000 Received: from localhost (localhost.elischer.org [127.0.0.1]) by InterJet.elischer.org (8.9.1a/8.9.1) with ESMTP id NAA04572; Fri, 30 Aug 2002 13:19:37 -0700 (PDT) Date: Fri, 30 Aug 2002 13:19:37 -0700 (PDT) From: Julian Elischer To: "Balaji, Pavan" Cc: "'freebsd-hackers@freebsd.org'" Subject: Re: Copying from Virtual Address Space to Physical Address In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Fri, 30 Aug 2002, Julian Elischer wrote: > Physio() does this.. first it finds the physical addresses of the user > pages targetted, then it maps those pages into kernel space, and then it > initiates IO to them. (this actually needs to change but for now it's > true. to correct myself.. physio() calls vmapbuf(bp) in order to do it.. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message