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>

1 files changed, 3 insertions, 0 deletions

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.
  */