[PATCH v3 8/9] extable: Use is_kernel_text() helper

From: Kefeng Wang
Date: Sun Sep 26 2021 - 03:18:41 EST


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

Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
---
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