MSR_CSTAR          18 arch/x86/include/asm/msr-index.h #define MSR_CSTAR		0xc0000083 /* compat mode SYSCALL target */
MSR_CSTAR         354 tools/testing/selftests/kvm/include/x86_64/processor.h #define MSR_CSTAR		0xc0000083 /* compat mode SYSCALL target */