[PATCH 2/2] objtool, kcsan: Add kcsan_disable_current() and kcsan_enable_current_nowarn()

From: Marco Elver
Date: Fri Apr 24 2020 - 11:47:48 EST


Both are safe to be called from uaccess contexts.

Signed-off-by: Marco Elver <elver@xxxxxxxxxx>
---
tools/objtool/check.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 70e721002743..a22272c819f3 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -482,6 +482,8 @@ static const char *uaccess_safe_builtin[] = {
"kcsan_found_watchpoint",
"kcsan_setup_watchpoint",
"kcsan_check_scoped_accesses",
+ "kcsan_disable_current",
+ "kcsan_enable_current_nowarn",
/* KCSAN/TSAN */
"__tsan_func_entry",
"__tsan_func_exit",
--
2.26.2.303.gf8c07b1a785-goog