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-rw-r--r--arch/powerpc/kernel/setup_64.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 491be4179ddd98..624d2a62d05dee 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -901,4 +901,12 @@ void __init setup_rfi_flush(enum l1d_flush_type types, bool enable)
if (!no_rfi_flush)
rfi_flush_enable(enable);
}
+
+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");
+}
#endif /* CONFIG_PPC_BOOK3S_64 */