arm64_get_spectre_v2_state
enum mitigation_state arm64_get_spectre_v2_state(void);
if (arm64_get_spectre_v2_state() == SPECTRE_VULNERABLE) {
arm64_get_spectre_v2_state() == SPECTRE_UNAFFECTED);
switch (arm64_get_spectre_v2_state()) {
switch (arm64_get_spectre_v2_state()) {
if (arm64_get_spectre_v2_state() == SPECTRE_UNAFFECTED) {
arm64_get_spectre_v2_state() == SPECTRE_VULNERABLE)