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Both Windows guest and Linux guest use the MSR MSR_IA32_CSTAR, while Linux uses it rarely. Now vcpu context switch doesn't save/restore it. Windows detects the change of the MSR and rises a exception. Do the save/resotre MSR_IA32_CSTAR during context switch. Tracked-On: #5899 Signed-off-by: Shuo A Liu <shuo.a.liu@intel.com> |
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