objtool: Add atomic builtin TSAN instrumentation to uaccess whitelist

Adds the new TSAN functions that may be emitted for atomic builtins to
objtool's uaccess whitelist.

Signed-off-by: Marco Elver <elver@google.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>

diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index e034a8f..7546a9d 100644 (file)
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -528,6 +528,56 @@ static const char *uaccess_safe_builtin[] = {
        "__tsan_write4",
        "__tsan_write8",
        "__tsan_write16",
+       "__tsan_atomic8_load",
+       "__tsan_atomic16_load",
+       "__tsan_atomic32_load",
+       "__tsan_atomic64_load",
+       "__tsan_atomic8_store",
+       "__tsan_atomic16_store",
+       "__tsan_atomic32_store",
+       "__tsan_atomic64_store",
+       "__tsan_atomic8_exchange",
+       "__tsan_atomic16_exchange",
+       "__tsan_atomic32_exchange",
+       "__tsan_atomic64_exchange",
+       "__tsan_atomic8_fetch_add",
+       "__tsan_atomic16_fetch_add",
+       "__tsan_atomic32_fetch_add",
+       "__tsan_atomic64_fetch_add",
+       "__tsan_atomic8_fetch_sub",
+       "__tsan_atomic16_fetch_sub",
+       "__tsan_atomic32_fetch_sub",
+       "__tsan_atomic64_fetch_sub",
+       "__tsan_atomic8_fetch_and",
+       "__tsan_atomic16_fetch_and",
+       "__tsan_atomic32_fetch_and",
+       "__tsan_atomic64_fetch_and",
+       "__tsan_atomic8_fetch_or",
+       "__tsan_atomic16_fetch_or",
+       "__tsan_atomic32_fetch_or",
+       "__tsan_atomic64_fetch_or",
+       "__tsan_atomic8_fetch_xor",
+       "__tsan_atomic16_fetch_xor",
+       "__tsan_atomic32_fetch_xor",
+       "__tsan_atomic64_fetch_xor",
+       "__tsan_atomic8_fetch_nand",
+       "__tsan_atomic16_fetch_nand",
+       "__tsan_atomic32_fetch_nand",
+       "__tsan_atomic64_fetch_nand",
+       "__tsan_atomic8_compare_exchange_strong",
+       "__tsan_atomic16_compare_exchange_strong",
+       "__tsan_atomic32_compare_exchange_strong",
+       "__tsan_atomic64_compare_exchange_strong",
+       "__tsan_atomic8_compare_exchange_weak",
+       "__tsan_atomic16_compare_exchange_weak",
+       "__tsan_atomic32_compare_exchange_weak",
+       "__tsan_atomic64_compare_exchange_weak",
+       "__tsan_atomic8_compare_exchange_val",
+       "__tsan_atomic16_compare_exchange_val",
+       "__tsan_atomic32_compare_exchange_val",
+       "__tsan_atomic64_compare_exchange_val",
+       "__tsan_atomic_thread_fence",
+       "__tsan_atomic_signal_fence",
        /* KCOV */
        "write_comp_data",
        "check_kcov_mode",