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Re: [Xen-devel] [PATCH] PIT alias ports support


  • To: "Wang, Shane" <shane.wang@xxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
  • Date: Wed, 07 Nov 2007 09:49:57 +0000
  • Delivery-date: Wed, 07 Nov 2007 01:50:47 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcghISovlAlzDZmPStOyMxPPckmsBwAAXtahAAA6Hg0=
  • Thread-topic: [Xen-devel] [PATCH] PIT alias ports support

In addition ICH9 appears to have more than half a dozen aliases for every one of the PIC master and slave registers. Are you going to try to have us emulate that bizarreness too?

 -- Keir

On 7/11/07 09:43, "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx> wrote:

That’s nice for the ICH9, but why would we want Xen to emulate that behaviour? Does any OS relay on it? Do we look like an ICH9-based system  to any OS?

 -- Keir

On 7/11/07 09:32, "Wang, Shane" <shane.wang@xxxxxxxxx> wrote:

This patch adds PIT alias ports (0x50~0x53) support.

Signed-off-by: Shane Wang <shane.wang@xxxxxxxxx>


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