From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=74.125.82.198 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794418953; b=MxAhFUiFjgp+j7gR4intLOUGT9VoKzdx7Oe/l2Qk6bkMTyibS77cPzUvyb4bGkDXFCPp Jux8JzSeTidqUhHqm2iJ8wfW8Db035UNLFjgjwRiDYR5peK+AnowH/YtJJGuFeM0ijNdi OOZBytjwHzksyWz00VK0szGjV2Y4XpI5W1W8OyUjSxjPXJkDbr7Ot4iUfg5wwjpvRIeaa 7cf4lYDR/n5RviAj8YanwM7+a8AJkTOtjq8Q1t/6ImdC0q76ydA8Z7C0dfOjihEFCDPAv oDUf/7qy2BHpCMsKrrRJB4oEG3rf2DU5dHmaY+9wqK8AwPIZZwwNTjRVygiepSAYAZQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794418953; h=DMARC-Filter:Received:DKIM-Signature:X-Google-DKIM-Signature: X-Forwarded-Encrypted:X-Gm-Message-State:X-Received:Date:In-Reply-To: Mime-Version:References:X-Mailer:Message-ID:Subject:From:To:Cc: Content-Type; bh=ZtiosLYJbRApO8KRSkyBJePzfep1nH8y43FCo0J139k=; b=jAolc+bEN5MxF+yGds5nK6Std3cDSt2GBTJM6nbktEjAk4hxqZFWNRebE6eRUzPP4AgE 6Y+NiMuY9azQoUdHm3Vhsqp7nWKWSPewAQwzzfID8PQg3+Gq054oiId/vhUBZ/5ieRFl8 BEtbSlhBv3rm87XT+MkiEPQv2wWjT+FaBEMcZb27zZuVe9FJpEKV9iXDpJ7gOKcJJkJgb ZIZAAvz5x7CwuzoyBJs4doI0ZzzVYregqNENkIIyWCVf+HZ6VkWRP2debBhfJOAzcZhyz JImtYF3s2LgMaZMkPCalRf88ZthgFGdHnvNqUcenL6xu1Mt15SmEFJetZQ6Xo8d8qhQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=google.com; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com; dkim=pass header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20260707 header.b=kKpCpqG3; arc=none smtp.remote-ip=74.125.82.198 Received: from mail-dy1-f198.google.com (mail-dy1-f198.google.com [74.125.82.198]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BC1BE606A321 for ; Wed, 11 Nov 2026 17:42:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org BC1BE606A321 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20260707 header.b=kKpCpqG3 Received: by mail-dy1-f198.google.com with SMTP id 5a478bee46e88-3425098ae4bso69810eec.0 for ; Wed, 11 Nov 2026 09:42:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20260707; t=1794418952; x=1795023752; darn=vger.kernel.org; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:from:to:cc:subject:date:message-id:reply-to :content-type; bh=ZtiosLYJbRApO8KRSkyBJePzfep1nH8y43FCo0J139k=; b=kKpCpqG3rmAorQfEdCe9wtKvgY76SGpYSKqHZJsR/A2SOUE6WNZmAlKaJeJZUJmqJv 8WsoTd9vWp4gSZAL76p+wmC0ZR9OhhUb1tMPY5i+vYxZ8z5BoDjPM6wN4IAb0zaV0vez EmCKgtwol7CiG2jsBVo/Tk3k+zRqBWNwBtqCmfhbX0RLw2+0SKOGfLGMWfa/kzjaHOWc OdIAYW0W7+gW68x7Ha8LHsB885RDqoYAcPyooDHcwY+JVmWaXtv8HXr1JHcrSHb1Z/CV 7Fz3a8Lqa1UtajdchUeax3kYqRIt6vqXOlw1LSj/rgZWgBeFaxQRey1UOoT25FLyNcdX SbIQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1794418952; x=1795023752; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=ZtiosLYJbRApO8KRSkyBJePzfep1nH8y43FCo0J139k=; b=Dx1jq37QrCZZTq6kKH+EOQ38KsxQfVBCDRQOVDD1UWSDfvYPGpXr5CqA8D9RC7Py3t KNRXNB7xUsEJTRbdyxbL4Tj8TJmu1FIRzxuM31hbgGqsUZdrBf6lpUXNxfonpQwgwg8/ fKvXqovzfI5nUo2mRBJxiHtFk3dJAJq3s0x7WiIYC8NJXdRIMet0JxRBGkhuGuKco3Mf ygE7SmMNWNOiEoto9YAESEF6hrRrgD1UYmMR0v6w/wcEip8d3jWAzZJQMpAVW6p25vNl MM/u837tt835T3uyuDcA+LZA7rGRE4W49PR4wpEhZptfK93VtBwqYuRlMVifbAIO7iwo dNlQ== X-Forwarded-Encrypted: i=1; AL+hErFoaA933lL8o3n44EJXWlOZMFq9FDzY25gK/cPK6e9yr7WCVajVmv0s5LclOs0VtxWlKEyE1ILNySTwyM0fu8sr@vger.kernel.org X-Gm-Message-State: APuU4Z8NPk8Jmdi7fYtEBvLasL4GeEFC6uOdN1NEgPf7+Dke9ufrBDJr BJgf5wB8BVrR+ipJQCABsm+MkhUAFh5DrtfCu+y1LAXD4pMs0THJ6F/nNAVLgSTSRPQrbwy6drk y2rH0zq4Cnw== X-Received: from dlbsn12.prod.google.com ([2002:a05:7022:b90c:b0:1b2:3bcd:9068]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7022:7f0e:b0:1ab:90a8:87a2 with SMTP id a92af1059eb24-1b4f5f34a37mr121144c88.11.1794418951516; Wed, 11 Nov 2026 09:42:31 -0800 (PST) Date: Wed, 11 Nov 2026 09:41:58 -0800 In-Reply-To: <20261111174213.3526604-1-irogers@google.com> X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list Mime-Version: 1.0 References: <20261111174213.3526604-1-irogers@google.com> X-Mailer: git-send-email 2.56.0.567.gdb80ae8cd5-goog Message-ID: <20261111174213.3526604-7-irogers@google.com> Subject: [PATCH v12 06/20] perf comm: Add __guarded_by annotations to struct comm_strs From: Ian Rogers To: irogers@google.com, acme@kernel.org, namhyung@kernel.org Cc: adrian.hunter@intel.com, bvanassche@acm.org, elver@google.com, james.clark@linaro.org, jolsa@kernel.org, justinstitt@google.com, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, llvm@lists.linux.dev, mingo@redhat.com, morbo@google.com, nathan@kernel.org, ndesaulniers@google.com, peterz@infradead.org Content-Type: text/plain; charset="UTF-8" Annotate strs, num_strs, and capacity in struct comm_strs with __guarded_by(&lock) and __pt_guarded_by(&lock) so Clang verifies all accesses hold comm_strs->lock. Signed-off-by: Ian Rogers --- tools/perf/util/comm.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/perf/util/comm.c b/tools/perf/util/comm.c index 6343a3c9debe..9fc4e91a36e9 100644 --- a/tools/perf/util/comm.c +++ b/tools/perf/util/comm.c @@ -16,9 +16,9 @@ DECLARE_RC_STRUCT(comm_str) { static struct comm_strs { struct rw_semaphore lock; - struct comm_str **strs; - int num_strs; - int capacity; + struct comm_str **strs __pt_guarded_by(&lock) __guarded_by(&lock); + int num_strs __guarded_by(&lock); + int capacity __guarded_by(&lock); } _comm_strs; static void comm_strs__remove_if_last(struct comm_str *cs); -- 2.56.0.542.g3ef89b7020-goog