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Subject: [PATCH 3/5] KVM: Force real-mode cs limit to 64K
From: Avi Kivity <avi@qumranet.com>
Date: Thu, 21 Dec 2006 09:48:04 -0000
To: kvm-devel@lists.sourceforge.net
Cc: linux-kernel@vger.kernel.org, akpm@osdl.org, mingo@elte.hu
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From: Michael Riepe <michael@mr511.de>

this allows opensolaris to boot on kvm/intel.

Signed-off-by: Michael Riepe <michael@mr511.de>
Signed-off-by: Avi Kivity <avi@qumranet.com>

Index: linux-2.6/drivers/kvm/vmx.c
===================================================================
--- linux-2.6.orig/drivers/kvm/vmx.c
+++ linux-2.6/drivers/kvm/vmx.c
@@ -726,6 +726,7 @@ static void enter_rmode(struct kvm_vcpu 
 	vmcs_write32(GUEST_SS_AR_BYTES, 0xf3);
 
 	vmcs_write32(GUEST_CS_AR_BYTES, 0xf3);
+	vmcs_write32(GUEST_CS_LIMIT, 0xffff);
 	vmcs_write16(GUEST_CS_SELECTOR, vmcs_readl(GUEST_CS_BASE) >> 4);
 
 	fix_rmode_seg(VCPU_SREG_ES, &vcpu->rmode.es);