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-rw-r--r--arch/powerpc/Kconfig1
-rw-r--r--arch/powerpc/kernel/setup_64.c8
2 files changed, 9 insertions, 0 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index cb782ac1c35d..fe418226df7f 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -164,6 +164,7 @@ config PPC
select GENERIC_CLOCKEVENTS_BROADCAST if SMP
select GENERIC_CMOS_UPDATE
select GENERIC_CPU_AUTOPROBE
+ select GENERIC_CPU_VULNERABILITIES if PPC_BOOK3S_64
select GENERIC_IRQ_SHOW
select GENERIC_IRQ_SHOW_LEVEL
select GENERIC_SMP_IDLE_THREAD
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 935059cb9e40..4fac5cca19e1 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -884,4 +884,12 @@ 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 */