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hypercall via "TRAP_INSTR" vs. hypercall page

To: port-xen <port-xen%NetBSD.org@localhost>
Subject: hypercall via "TRAP_INSTR" vs. hypercall page
From: Christoph Egger <Christoph_Egger%gmx.de@localhost>
Date: Mon, 02 May 2011 11:30:41 +0200


Hi,

If we still use the TRAP_INSTR macro to make a hypercall
we have to move to the hypercall page.

Reason: TRAP_INSTR has been removed in xen-unstable which
means Xen versions newer than 4.1 no longer support
this method.

Christoph

Follow-Ups:
- Re: hypercall via "TRAP_INSTR" vs. hypercall page
  - From: Jean-Yves Migeon
- Re: hypercall via "TRAP_INSTR" vs. hypercall page
  - From: Manuel Bouyer

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