From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Mosberger <davidm@hpl.hp.com>
Date: Thu, 09 Aug 2001 03:09:45 +0000
Subject: Re: [Linux-ia64] Why VHPT is disabled in the default configuration?
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>>>>> On Thu, 9 Aug 2001 09:50:51 +0900, "MAEDA Naoaki" <maeda.naoaki@nifty.com> said:

  Naoaki> Hi, Dose anybody know why CONFIG_DISABLE_VHPT flag is set in
  Naoaki> the default kernel configuration?

  Naoaki> I have tested the VHPT enabled kernel that shows better
  Naoaki> memory bandwidth and latency performance. If there are no
  Naoaki> concerns enabling the VHPT feature, it should be enabled in
  Naoaki> default, I think.

Yes, the VHPT should be enabled on recent CPUs (B3 or newer, IIRC).
But you shouldn't assume that the default configuration included in
the source code contains anything sensible.

	--david