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Date: Mon, 31 Aug 2020 11:17:48 -0700 From: paulmck@...nel.org To: linux-kernel@...r.kernel.org, kasan-dev@...glegroups.com, kernel-team@...com, mingo@...nel.org Cc: elver@...gle.com, andreyknvl@...gle.com, glider@...gle.com, dvyukov@...gle.com, cai@....pw, boqun.feng@...il.com, "Paul E . McKenney" <paulmck@...nel.org>, Josh Poimboeuf <jpoimboe@...hat.com>, Peter Zijlstra <peterz@...radead.org> Subject: [PATCH kcsan 02/19] objtool: Add atomic builtin TSAN instrumentation to uaccess whitelist From: Marco Elver <elver@...gle.com> Adds the new TSAN functions that may be emitted for atomic builtins to objtool's uaccess whitelist. Signed-off-by: Marco Elver <elver@...gle.com> Signed-off-by: Paul E. McKenney <paulmck@...nel.org> Cc: Josh Poimboeuf <jpoimboe@...hat.com> Cc: Peter Zijlstra <peterz@...radead.org> --- tools/objtool/check.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/tools/objtool/check.c b/tools/objtool/check.c index e034a8f..7546a9d 100644 --- 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", -- 2.9.5
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