From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 15 Jun 2004 17:12:17 -0400 (EDT) From: Alan Stern Subject: Re: [linux-usb-devel] Patch for UHCI driver (from kernel 2.6.6). In-Reply-To: <40CF5D1B.6000302@pacbell.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: David Brownell Cc: Alan Cox , Nicolas DET , USB development list , linux-mm@kvack.org List-ID: On Tue, 15 Jun 2004, David Brownell wrote: > > ... a write by either the device or the processor > > can immediately be read by the processor or device > > without having to worry about caching effects. > > > > This means that when you read _the data that was written_ you don't have > > to worry about caching effects. > > It doesn't limit the "without having to worry" to just the bytes > written. It's hard to say exactly what it means because it's ungrammatical. "A write ... can immediately be read..." -- what does it mean to read a write? > And the rest of that API spec doesn't even suggest that > there might be an issue there. I think you're trying to read > things into that text that aren't there. Maybe so. It's not worth spending more time on this point, anyhow. Alan Stern -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: aart@kvack.org