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

From: Roland Dreier (roland@topspin.com)
Date: Mon Jun 10 2002 - 14:21:44 EST


>>>>> "Tom" == Tom Rini <trini@kernel.crashing.org> writes:

    Tom> SMP_CACHE_BYTES is non-sensical on 4xx (and 8xx) since they
    Tom> don't do SMP..

True but <asm/cache.h> defines it anyway... of course it would be no
problem to use L1_CACHE_BYTES and in fact that probably makes sense
because we're talking about PPC-only macros (other arches would have
their own definition).

Best,
  Roland

-
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 : Sat Jun 15 2002 - 22:00:19 EST