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authorAvi Kivity <avi@qumranet.com>2008-08-20 08:07:31 -0400
committerAvi Kivity <avi@qumranet.com>2008-10-15 04:15:21 -0400
commit5706be0dafd6f42852f85fbae292301dcad4ccec (patch)
tree90338ecb8a3775e1618b69e59ef6595342edde93 /arch/x86/kvm/vmx.c
parent26815a648e1ec2b338a63a2bc301dcf449b93e5a (diff)
KVM: VMX: Change cs reset state to be a data segment
Real mode cs is a data segment, not a code segment. Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch/x86/kvm/vmx.c')
-rw-r--r--arch/x86/kvm/vmx.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 9840f37925a2..6aa305ace79f 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)
2239 2239
2240 fx_init(&vmx->vcpu); 2240 fx_init(&vmx->vcpu);
2241 2241
2242 seg_setup(VCPU_SREG_CS);
2242 /* 2243 /*
2243 * GUEST_CS_BASE should really be 0xffff0000, but VT vm86 mode 2244 * GUEST_CS_BASE should really be 0xffff0000, but VT vm86 mode
2244 * insists on having GUEST_CS_BASE == GUEST_CS_SELECTOR << 4. Sigh. 2245 * insists on having GUEST_CS_BASE == GUEST_CS_SELECTOR << 4. Sigh.
@@ -2250,8 +2251,6 @@ static int vmx_vcpu_reset(struct kvm_vcpu *vcpu)
2250 vmcs_write16(GUEST_CS_SELECTOR, vmx->vcpu.arch.sipi_vector << 8); 2251 vmcs_write16(GUEST_CS_SELECTOR, vmx->vcpu.arch.sipi_vector << 8);
2251 vmcs_writel(GUEST_CS_BASE, vmx->vcpu.arch.sipi_vector << 12); 2252 vmcs_writel(GUEST_CS_BASE, vmx->vcpu.arch.sipi_vector << 12);
2252 } 2253 }
2253 vmcs_write32(GUEST_CS_LIMIT, 0xffff);
2254 vmcs_write32(GUEST_CS_AR_BYTES, 0x9b);
2255 2254
2256 seg_setup(VCPU_SREG_DS); 2255 seg_setup(VCPU_SREG_DS);
2257 seg_setup(VCPU_SREG_ES); 2256 seg_setup(VCPU_SREG_ES);