On Thu, 28 Aug 2003, Marc Aurele La France wrote:
> On Thu, 28 Aug 2003, Mark Vojkovich wrote:
>
> > > It occurs to me that we should probably change XAA to flush CPU caches
> > > just after calling the driver's Sync() function, and change mibank to do
> > > the same after telling the driver to switch banks.
>
> > That is a hardware issue and something the driver's Sync() function
> > should be doing, not core code. The "nv" driver already does that.
>
> The driver has no business dealing with architecture concerns. When it
You've got to be kidding. It must deal with architecture concerns
when it's writing registers and such.
> does/must, it's an indication the common layer, or common module, is not
> doing its job.
>
By flushing CPU caches you mean a fence? The driver has to do that
anyway to ensure that it actually Syncs the hardware.
Mark.
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