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objtool, kcsan: Add kcsan_disable_current() and kcsan_enable_current_nowarn()

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Both are safe to be called from uaccess contexts.

Signed-off-by: Marco Elver <elver@google.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Marco Elver 2020-04-24 17:47:30 +02:00 • committed by Paul E. McKenney
parent 19acd03d95
commit 50a19ad4b1
1 changed files with 2 additions and 0 deletions
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2
tools/objtool/check.c
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@ -472,6 +472,8 @@ static const char *uaccess_safe_builtin[] = {
"kcsan_found_watchpoint", "kcsan_found_watchpoint",
"kcsan_setup_watchpoint", "kcsan_setup_watchpoint",
"kcsan_check_scoped_accesses", "kcsan_check_scoped_accesses",
"kcsan_disable_current",
"kcsan_enable_current_nowarn",
/* KCSAN/TSAN */ /* KCSAN/TSAN */
"__tsan_func_entry", "__tsan_func_entry",
"__tsan_func_exit", "__tsan_func_exit",