// SPDX-License-Identifier: GPL-2.0+ // // Security related flags and so on. // // Copyright 2018, Michael Ellerman, IBM Corporation. #include #include #include unsigned long powerpc_security_features __read_mostly = \ SEC_FTR_L1D_FLUSH_HV | \ SEC_FTR_L1D_FLUSH_PR | \ SEC_FTR_BNDS_CHK_SPEC_BAR | \ SEC_FTR_FAVOUR_SECURITY; ssize_t cpu_show_meltdown(struct device *dev, struct device_attribute *attr, char *buf) { if (rfi_flush) return sprintf(buf, "Mitigation: RFI Flush\n"); return sprintf(buf, "Vulnerable\n"); }