void x86_spec_ctrl_setup_ap(void)
{
	if (boot_cpu_has(X86_FEATURE_MSR_SPEC_CTRL))
		wrmsrl(MSR_IA32_SPEC_CTRL, x86_spec_ctrl_base);

	if (ssb_mode == SPEC_STORE_BYPASS_DISABLE)
		x86_amd_ssb_disable();
}

Unknown