KVM: x86: Update emulator context mode if SYSENTER xfers to 64-bit mode

[sfrench/cifs-2.6.git] / arch / x86 / kvm / emulate.c

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 56cae1ff9e3fe46362947f0911b39573d44397a8..66a08322988f223a179edb33cf97c190c6136a54 100644 (file)
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2879,6 +2879,8 @@ static int em_sysenter(struct x86_emulate_ctxt *ctxt)
        ops->get_msr(ctxt, MSR_IA32_SYSENTER_ESP, &msr_data);
        *reg_write(ctxt, VCPU_REGS_RSP) = (efer & EFER_LMA) ? msr_data :
                                                              (u32)msr_data;
+       if (efer & EFER_LMA)
+               ctxt->mode = X86EMUL_MODE_PROT64;
 
        return X86EMUL_CONTINUE;
 }