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 (cherry picked from commit 8ad33041563a10b34988800c682ada14b2612533) --- arch/powerpc/kernel/security.c | 11 +++++++++++ arch/powerpc/kernel/setup_64.c | 8 -------- 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 da12b54cbe5c..1146174f45c5 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -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 */