From: Marco Elver <elver@google.com>
To: elver@google.com, "Paul E . McKenney" <paulmck@kernel.org>
Cc: Alexander Potapenko <glider@google.com>,
Boqun Feng <boqun.feng@gmail.com>, Borislav Petkov <bp@alien8.de>,
Dmitry Vyukov <dvyukov@google.com>,
Ingo Molnar <mingo@kernel.org>,
Josh Poimboeuf <jpoimboe@redhat.com>,
Mark Rutland <mark.rutland@arm.com>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Waiman Long <longman@redhat.com>, Will Deacon <will@kernel.org>,
kasan-dev@googlegroups.com, linux-arch@vger.kernel.org,
linux-doc@vger.kernel.org, linux-kbuild@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org
Subject: [PATCH -rcu/kcsan 22/23] objtool, kcsan: Add memory barrier instrumentation to whitelist
Date: Tue, 5 Oct 2021 12:59:04 +0200 [thread overview]
Message-ID: <20211005105905.1994700-23-elver@google.com> (raw)
In-Reply-To: <20211005105905.1994700-1-elver@google.com>
Adds KCSAN's memory barrier instrumentation to objtool's uaccess
whitelist.
Signed-off-by: Marco Elver <elver@google.com>
---
tools/objtool/check.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index e5947fbb9e7a..7e8cd3ba5482 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -651,6 +651,10 @@ static const char *uaccess_safe_builtin[] = {
"__asan_report_store16_noabort",
/* KCSAN */
"__kcsan_check_access",
+ "__kcsan_mb",
+ "__kcsan_wmb",
+ "__kcsan_rmb",
+ "__kcsan_release",
"kcsan_found_watchpoint",
"kcsan_setup_watchpoint",
"kcsan_check_scoped_accesses",
--
2.33.0.800.g4c38ced690-goog
next prev parent reply other threads:[~2021-10-05 11:02 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-05 10:58 [PATCH -rcu/kcsan 00/23] kcsan: Support detecting a subset of missing memory barriers Marco Elver
2021-10-05 10:58 ` [PATCH -rcu/kcsan 01/23] kcsan: Refactor reading of instrumented memory Marco Elver
2021-10-05 10:58 ` [PATCH -rcu/kcsan 02/23] kcsan: Remove redundant zero-initialization of globals Marco Elver
2021-10-05 10:58 ` [PATCH -rcu/kcsan 03/23] kcsan: Avoid checking scoped accesses from nested contexts Marco Elver
2021-10-05 10:58 ` [PATCH -rcu/kcsan 04/23] kcsan: Add core support for a subset of weak memory modeling Marco Elver
2021-10-05 12:52 ` Peter Zijlstra
2021-10-05 13:13 ` Marco Elver
2021-10-05 14:20 ` Peter Zijlstra
2021-10-05 10:58 ` [PATCH -rcu/kcsan 05/23] kcsan: Add core memory barrier instrumentation functions Marco Elver
2021-10-05 11:41 ` Peter Zijlstra
2021-10-05 11:45 ` Peter Zijlstra
2021-10-05 11:50 ` Marco Elver
2021-10-05 10:58 ` [PATCH -rcu/kcsan 06/23] kcsan, kbuild: Add option for barrier instrumentation only Marco Elver
2021-10-05 10:58 ` [PATCH -rcu/kcsan 07/23] kcsan: Call scoped accesses reordered in reports Marco Elver
2021-10-05 10:58 ` [PATCH -rcu/kcsan 08/23] kcsan: Show location access was reordered to Marco Elver
2021-10-05 10:58 ` [PATCH -rcu/kcsan 09/23] kcsan: Document modeling of weak memory Marco Elver
2021-10-05 10:58 ` [PATCH -rcu/kcsan 10/23] kcsan: test: Match reordered or normal accesses Marco Elver
2021-10-05 10:58 ` [PATCH -rcu/kcsan 11/23] kcsan: test: Add test cases for memory barrier instrumentation Marco Elver
2021-10-05 10:58 ` [PATCH -rcu/kcsan 12/23] kcsan: Ignore GCC 11+ warnings about TSan runtime support Marco Elver
2021-10-05 10:58 ` [PATCH -rcu/kcsan 13/23] kcsan: selftest: Add test case to check memory barrier instrumentation Marco Elver
2021-10-05 10:58 ` [PATCH -rcu/kcsan 14/23] locking/barriers, kcsan: Add instrumentation for barriers Marco Elver
2021-10-05 10:58 ` [PATCH -rcu/kcsan 15/23] locking/barriers, kcsan: Support generic instrumentation Marco Elver
2021-10-05 10:58 ` [PATCH -rcu/kcsan 16/23] locking/atomics, kcsan: Add instrumentation for barriers Marco Elver
2021-10-05 12:02 ` Peter Zijlstra
2021-10-05 12:16 ` Marco Elver
2021-10-05 10:58 ` [PATCH -rcu/kcsan 17/23] asm-generic/bitops, " Marco Elver
2021-10-05 10:59 ` [PATCH -rcu/kcsan 18/23] x86/barriers, kcsan: Use generic instrumentation for non-smp barriers Marco Elver
2021-10-05 10:59 ` [PATCH -rcu/kcsan 19/23] x86/qspinlock, kcsan: Instrument barrier of pv_queued_spin_unlock() Marco Elver
2021-10-05 10:59 ` [PATCH -rcu/kcsan 20/23] mm, kcsan: Enable barrier instrumentation Marco Elver
2021-10-05 10:59 ` [PATCH -rcu/kcsan 21/23] sched, kcsan: Enable memory " Marco Elver
2021-10-05 10:59 ` Marco Elver [this message]
2021-10-05 10:59 ` [PATCH -rcu/kcsan 23/23] objtool, kcsan: Remove memory barrier instrumentation from noinstr Marco Elver
2021-10-05 14:37 ` Peter Zijlstra
2021-10-05 15:13 ` Marco Elver
2021-11-11 10:11 ` Marco Elver
2021-11-11 11:35 ` Peter Zijlstra
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