Messages in this thread Patch in this message |  | | | Date | Fri, 04 Sep 2009 13:07:18 -0700 | | From | Greg KH <> | | Subject | [patch 06/48] KVM: VMX: Change cs reset state to be a data segment |
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2.6.27-stable review patch. If anyone has any objections, please let us know.
------------------ From: Avi Kivity <avi@qumranet.com> (cherry picked from commit 5706be0dafd6f42852f85fbae292301dcad4ccec)
Real mode cs is a data segment, not a code segment.
Signed-off-by: Avi Kivity <avi@qumranet.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> --- arch/x86/kvm/vmx.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2036,6 +2036,7 @@ static int vmx_vcpu_reset(struct kvm_vcp 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. @@ -2047,8 +2048,6 @@ static int vmx_vcpu_reset(struct kvm_vcp 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);
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