From: Nadav Amit <namit@cs.technion.ac.il>
Date: Sun, 25 May 2014 20:05:21 +0000 (+0300)
Subject: KVM: x86: MOV CR/DR emulation should ignore mod
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~39^2~8^2~29
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9b88ae99d2fe11e359b3b3992aff953e28b0b43a;p=pandora-kernel.git

KVM: x86: MOV CR/DR emulation should ignore mod

MOV CR/DR instructions ignore the mod field (in the ModR/M byte). As the SDM
states: "The 2 bits in the mod field are ignored".  Accordingly, the second
operand of these instructions is always a general purpose register.

The current emulator implementation does not do so. If the mod bits do not
equal 3, it expects the second operand to be in memory.

Signed-off-by: Nadav Amit <namit@cs.technion.ac.il>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---

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