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    SubjectRe: [PATCH 2/5] lguest guest feedback tidyups
    On Fri, May 11, 2007 at 11:21:30AM +1000, Rusty Russell wrote:
    > 1) send-dma and bind-dma hypercall wrappers for drivers to use,
    > 2) formalization of the convention that devices can use the irq
    > corresponding to their index on the lguest_bus.
    > 3) ___force to shut up sparse: guests *can* use ioremap as virtual mem.

    No, they can't. Even if in your case the underlying address spaces
    happen to be the same anything returned by ioremap must use the proper
    accessors. That's the whole point of having this separation, otherwise
    you wouldn't need to use ioremap at all. So instead of sprinkling cast
    around add lguest_read*/lguest_write* accessors that do the __force cast
    once and make sure the ioremap return value is always accessed using those.

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