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

Kefeng Wang wangkefeng.wang at huawei.com
Sun Sep 26 17:20:47 AEST 2021


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

Cc: Steven Rostedt <rostedt at goodmis.org>
Signed-off-by: Kefeng Wang <wangkefeng.wang at huawei.com>
---
 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



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