Re: [rfc] generic allocator and mspec driver

From: David Mosberger <>
Date: 2005-02-17 08:02:04
>>>>> On 16 Feb 2005 14:10:56 -0500, Jes Sorensen <> said:

  Jes> Hmmm for some reason I had the impression PG_arch_1 was only
  Jes> used on PPC/PPC64 for icache current status, but it looks like
  Jes> you're right. Darn ;-(

  Jes> Can't we just drop swiotlb and tell people to buy real
  Jes> hardware? ;-)))

The use of PG_arch_1 has nothing to do with swiotlb.  It lets us
optimize away expensive cache-flushing by taking advantage of the fact
that DMA transactions automatically establish coherency.

To unsubscribe from this list: send the line "unsubscribe linux-ia64" in
the body of a message to
More majordomo info at
Received on Wed Feb 16 16:02:17 2005

This archive was generated by hypermail 2.1.8 : 2005-08-02 09:20:35 EST