diff options
| author | Pratyush Anand <panand@redhat.com> | 2016-09-29 18:14:59 -0400 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-10-20 15:38:13 +0800 |
| commit | 0fd3e813cb6339b1c4502c27f026e75b06a216ef (patch) | |
| tree | 3433d4cc85ed9cbb6ebfc41d6a6f37588cd808fd /arch/arm64/kernel/entry.S | |
| parent | 7082d72a931d5d4458496062e334816e9fb8c284 (diff) | |
arm64: Treat all entry code as non-kprobe-able
commit 888b3c8720e0a4033db09ba2364afde6a4763638 upstream.
Entry symbols are not kprobe safe. So blacklist them for kprobing.
[dave.long@linaro.org: Remove check for hypervisor text]
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>
Diffstat (limited to 'arch/arm64/kernel/entry.S')
| -rw-r--r-- | arch/arm64/kernel/entry.S | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index 5a3753d09e20..efbf9afea390 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -207,6 +207,7 @@ tsk .req x28 // current thread_info /* * Exception vectors. */ + .pushsection ".entry.text", "ax" .align 11 ENTRY(vectors) @@ -738,6 +739,8 @@ __ni_sys_trace: bl do_ni_syscall b __sys_trace_return + .popsection // .entry.text + /* * Special system call wrappers. */ |