From: Michael Riepe <michael@mr511.de>
Date: Fri, 22 Dec 2006 09:05:45 +0000 (-0800)
Subject: [PATCH] KVM: Force real-mode cs limit to 64K
X-Git-Tag: v2.6.20-rc2~58
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=abacf8dff911ecc11513dff162d7990aa8ed2da0;p=linux-2.6

[PATCH] KVM: Force real-mode cs limit to 64K

This allows opensolaris to boot on kvm/intel.

Signed-off-by: Michael Riepe <michael@mr511.de>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c
index f0f0b1a781..2d7c6d6f12 100644
--- a/drivers/kvm/vmx.c
+++ b/drivers/kvm/vmx.c
@@ -726,6 +726,7 @@ static void enter_rmode(struct kvm_vcpu *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);