# \[PATCH v3 8/9\] extable: Use is\_kernel\_text() helper

- From: Kefeng Wang \<hidden\>
- Date: 2021-09-26 07:18:41 
- List: linux-arch
- Page: https://ratatoskr.run/linux-arch/2021/09/1521829
- Thread: https://ratatoskr.run/linux-arch/2021/09/1521823/t.md

```text
The core_kernel_text() should check the gate area, as it is part
of kernel text range.

Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Kefeng Wang <redacted>
---
 kernel/extable.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/extable.c b/kernel/extable.c
index 98ca627ac5ef..0ba383d850ff 100644
--- a/kernel/extable.c
+++ b/kernel/extable.c
@@ -64,8 +64,7 @@ const struct exception_table_entry *search_exception_tables(unsigned long addr)
 
 int notrace core_kernel_text(unsigned long addr)
 {
-	if (addr >= (unsigned long)_stext &&
-	    addr < (unsigned long)_etext)
+	if (is_kernel_text(addr))
 		return 1;
 
 	if (system_state < SYSTEM_RUNNING &&
-- 
2.26.2

```