On Fri, May 24, 2002 at 01:53:52PM -0700, David S. Miller wrote:
> Now that we've established that, you want a new operation.
> That operation is "Re-prepare DMA memory so that PCI realm
> will see it". And the semantics of this would be to, on
> CPUs which are no cache coherent with PCI, to flush the cache
> to prevent inconsistencies between PCI and the CPU.
>
> The CPU cache flush is needed in both cases to/from cases.
>
> So do you finally understand why you must create a new interface
> to accomplish what you want?
Yes, that clears things up. I'll work on this.
Thanks,
William
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Fri May 31 2002 - 22:00:14 EST