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authorMichael Ellerman <mpe@ellerman.id.au>2018-03-27 23:01:48 +1100
committerMichael Ellerman <mpe@ellerman.id.au>2018-03-27 23:44:53 +1100
commit8ad33041563a10b34988800c682ada14b2612533 (patch)
treece5e75bd9f22d9b7849f3bfa64a48372e84d5f90
parent77addf6e95c8689e478d607176b399a6242a777e (diff)
powerpc/64s: Move cpu_show_meltdown()
This landed in setup_64.c for no good reason other than we had nowhere else to put it. Now that we have a security-related file, that is a better place for it so move it. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
-rw-r--r--arch/powerpc/kernel/security.c11
-rw-r--r--arch/powerpc/kernel/setup_64.c8
2 files changed, 11 insertions, 8 deletions
diff --git a/arch/powerpc/kernel/security.c b/arch/powerpc/kernel/security.c
index 4ccba00d224c..564e7f182a16 100644
--- a/arch/powerpc/kernel/security.c
+++ b/arch/powerpc/kernel/security.c
@@ -5,6 +5,8 @@
// Copyright 2018, Michael Ellerman, IBM Corporation.
#include <linux/kernel.h>
+#include <linux/device.h>
+
#include <asm/security_features.h>
@@ -13,3 +15,12 @@ unsigned long powerpc_security_features __read_mostly = \
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");
+}
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 4ec4a27b36a9..7f7621668613 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -934,12 +934,4 @@ static __init int rfi_flush_debugfs_init(void)
}
device_initcall(rfi_flush_debugfs_init);
#endif
-
-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 */