Re: Reliability of RPC services

[Jonathan S. Shapiro]

On Wed, 2006-04-26 at 10:00 +0200, Bas Wijnen wrote:

> Obviously user-provided drivers cannot be allowed to do that directly (but
> they may do it through calls to the framework).  However, for user-provided
> drivers I was thinking about devices that the users brings with him.  There it
> would be the bus driver (usb, firewire) which does the DMA calls, and the
> actual driver just talks to the bus driver.

This isn't how things work. The DMA chip isn't generally associated with
the bus. It's generally on the card. USB may be something that could be
handled as a special case.

shap