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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org, greg@kroah.com
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Michael Ellerman <mpe@ellerman.id.au>
Subject: [PATCH 4.14 046/496] powerpc/64s: Move cpu_show_meltdown()
Date:   Mon, 28 May 2018 11:57:11 +0200
Message-Id: <20180528100321.679454521@linuxfoundation.org>
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4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Michael Ellerman <mpe@ellerman.id.au>

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 arch/powerpc/kernel/security.c |   11 +++++++++++
 arch/powerpc/kernel/setup_64.c |    8 --------
 2 files changed, 11 insertions(+), 8 deletions(-)

--- 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
 	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");
+}
--- 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
 }
 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 */