[PATCH v4 08/11] extable: Use is_kernel_text() helper

From
Kefeng Wang <hidden>
Date
2021-09-30 07:09:38
Also in
bpf, linux-arch, linuxppc-dev, lkml
Reply to
Kefeng Wang, 2021-09-30
The core_kernel_text() should check the gate area, as it is part
of kernel text range, use is_kernel_text() in core_kernel_text().

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
Thread (15 messages) 15 messages, 4 authors, last reply 2021-10-03
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