From bf0b682c9b6a6d6d54adf439bfe953feef7be2e8 Mon Sep 17 00:00:00 2001
From: Nadav Amit <namit@cs.technion.ac.il>
Date: Thu, 18 Sep 2014 22:39:45 +0300
Subject: [PATCH] KVM: x86: Sysexit emulation does not mask RIP/RSP

If the operand size is not 64-bit, then the sysexit instruction should assign
ECX to RSP and EDX to RIP.  The current code assigns the full 64-bits.

Fix it by masking.

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