From 888b3c8720e0a4033db09ba2364afde6a4763638 Mon Sep 17 00:00:00 2001
From: Pratyush Anand <panand@redhat.com>
Date: Fri, 8 Jul 2016 12:35:50 -0400
Subject: arm64: Treat all entry code as non-kprobe-able

Entry symbols are not kprobe safe. So blacklist them for kprobing.

Signed-off-by: Pratyush Anand <panand@redhat.com>
Signed-off-by: David A. Long <dave.long@linaro.org>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
[catalin.marinas@arm.com: Do not include syscall wrappers in .entry.text]
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
---
 arch/arm64/kernel/entry.S | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'arch/arm64/kernel/entry.S')

diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S
index 12e8d2bcb3f9..492a2655fea4 100644
--- a/arch/arm64/kernel/entry.S
+++ b/arch/arm64/kernel/entry.S
@@ -242,6 +242,7 @@ tsk	.req	x28		// current thread_info
 /*
  * Exception vectors.
  */
+	.pushsection ".entry.text", "ax"
 
 	.align	11
 ENTRY(vectors)
@@ -774,6 +775,8 @@ __ni_sys_trace:
 	bl	do_ni_syscall
 	b	__sys_trace_return
 
+	.popsection				// .entry.text
+
 /*
  * Special system call wrappers.
  */
-- 
cgit