Re: How to invoke burst-read on PCI mapped memory area
Alan Cox (alan@lxorguk.ukuu.org.uk)
Mon, 12 Oct 1998 18:52:12 +0100 (BST)
> > The 2.1.x kernel trees have MTRR support, in 2.0.x you will have to do it
> > directly. Basically on a P6 you can tell the CPU this memory area has
> > these parameters - that includes "write gathering" - ie burst write.
> Yes, I found MTRR support in kernel 2.1.x, but it only mentioned about
> WC (Write Combined) attribute (as you mentioned above).
> Is it possible to enable 'Read Cache' through MTRR ?
I don't know.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/