From 44b53f67c99d0fc53af3066a05d9e7ca5080a850 Mon Sep 17 00:00:00 2001
From: Pratyush Anand <panand@redhat.com>
Date: Fri, 8 Jul 2016 12:35:49 -0400
Subject: arm64: Blacklist non-kprobe-able symbol

Add all function symbols which are called from do_debug_exception under
NOKPROBE_SYMBOL, as they can not kprobed.

Signed-off-by: Pratyush Anand <panand@redhat.com>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
---
 arch/arm64/kernel/arm64ksyms.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'arch/arm64/kernel/arm64ksyms.c')

diff --git a/arch/arm64/kernel/arm64ksyms.c b/arch/arm64/kernel/arm64ksyms.c
index 678f30b05a45..b96ff1ae2786 100644
--- a/arch/arm64/kernel/arm64ksyms.c
+++ b/arch/arm64/kernel/arm64ksyms.c
@@ -27,6 +27,7 @@
 #include <linux/uaccess.h>
 #include <linux/io.h>
 #include <linux/arm-smccc.h>
+#include <linux/kprobes.h>
 
 #include <asm/checksum.h>
 
@@ -68,6 +69,7 @@ EXPORT_SYMBOL(test_and_change_bit);
 
 #ifdef CONFIG_FUNCTION_TRACER
 EXPORT_SYMBOL(_mcount);
+NOKPROBE_SYMBOL(_mcount);
 #endif
 
 	/* arm-smccc */
-- 
cgit v1.2.3