From: Duncan Sands <baldrick@free.fr>
To: linux-usb-devel@lists.sourceforge.net
Cc: David Brownell <david-b@pacbell.net>,
Alan Stern <stern@rowland.harvard.edu>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Nicolas DET <nd@bplan-gmbh.de>,
linux-mm@kvack.org
Subject: Re: [linux-usb-devel] Patch for UHCI driver (from kernel 2.6.6).
Date: Tue, 15 Jun 2004 19:23:52 +0200 [thread overview]
Message-ID: <200406151923.52709.baldrick@free.fr> (raw)
In-Reply-To: <40CF2CF5.5000209@pacbell.net>
> Actually I thought it was quite explicit: "without having
> to worry about caching effects". What you described is
> clearly a caching effect: caused by caching.
Is it really a cache effect? Isn't it caused by the hc writing
more bytes to memory than you expected? Now, it so
happens that the number of bytes it writes is equal to the
cache line size (or so it seems), but isn't that irrelevant?
Ciao,
Duncan.
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next prev parent reply other threads:[~2004-06-15 17:23 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <40CE2E24.5060207@pacbell.net>
2004-06-15 16:35 ` Alan Stern
2004-06-15 17:08 ` David Brownell
2004-06-15 17:23 ` Duncan Sands [this message]
2004-06-15 19:35 ` Alan Stern
2004-06-15 20:33 ` David Brownell
2004-06-15 21:12 ` Alan Stern
2004-06-15 21:40 ` Guennadi Liakhovetski
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