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Date: Thu, 25 Sep 2003 19:47:12 -0600 (MDT)
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To: vjardin@free.fr
From: "M. Warner Losh" <imp@bsdimp.com>
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cc: hackers@freebsd.org
Subject: Re: BUS DMA sync
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In message: <200309250014.53816.vjardin@free.fr>
            Vincent Jardin <vjardin@free.fr> writes:
: What's about PREREAD ? What kind of CPU synchronization is required prior a 
: DMA read ? There is no cache during a device to host memory process, isn't it 
: ?

There is on MIPS.

Warner