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Subject[PATCH 17/39] KVM: VMX: Change cs reset state to be a data segment
Date
From: Avi Kivity <avi@qumranet.com>

Real mode cs is a data segment, not a code segment.

Signed-off-by: Avi Kivity <avi@qumranet.com>
---
arch/x86/kvm/vmx.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 9840f37..6aa305a 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2239,6 +2239,7 @@ static int vmx_vcpu_reset(struct kvm_vcpu *vcpu)

fx_init(&vmx->vcpu);

+ seg_setup(VCPU_SREG_CS);
/*
* GUEST_CS_BASE should really be 0xffff0000, but VT vm86 mode
* insists on having GUEST_CS_BASE == GUEST_CS_SELECTOR << 4. Sigh.
@@ -2250,8 +2251,6 @@ static int vmx_vcpu_reset(struct kvm_vcpu *vcpu)
vmcs_write16(GUEST_CS_SELECTOR, vmx->vcpu.arch.sipi_vector << 8);
vmcs_writel(GUEST_CS_BASE, vmx->vcpu.arch.sipi_vector << 12);
}
- vmcs_write32(GUEST_CS_LIMIT, 0xffff);
- vmcs_write32(GUEST_CS_AR_BYTES, 0x9b);

seg_setup(VCPU_SREG_DS);
seg_setup(VCPU_SREG_ES);
--
1.6.0.1


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