Re: PCI DMA to small buffers on cache-incoherent arch

From: David S. Miller (davem@redhat.com)
Date: Wed Jun 12 2002 - 06:47:59 EST


   From: William Jhun <wjhun@ayrnetworks.com>
   Date: Mon, 10 Jun 2002 11:07:40 -0700

   On Sun, Jun 09, 2002 at 09:27:05PM -0700, David S. Miller wrote:
> I'm trying to specify this such that knowledge of cachelines and
> whatnot don't escape the arch specific code, ho hum... Looks like
> that isn't possible.
   
   Perhaps provide macros in asm/pci.h that will:
   
You don't understand, I think. I want to avoid the drivers doing
any of the "align this, align that" stuff. I want the allocation
to do it for them, that way the code is in one place.
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