@@ -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");
+}
@@ -910,12 +910,4 @@ 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 */
commit 8ad33041563a10b34988800c682ada14b2612533 upstream. 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> --- arch/powerpc/kernel/security.c | 11 +++++++++++ arch/powerpc/kernel/setup_64.c | 8 -------- 2 files changed, 11 insertions(+), 8 deletions(-)