From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f74.google.com (mail-wm1-f74.google.com [209.85.128.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8398E31354A for ; Thu, 18 Sep 2025 14:06:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.74 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758204375; cv=none; b=hyjJjXKMpTfl0hEN4HnGOdy1MuSNRSFFETh8nvq4ViQ87ogVd+ZwZ1vJH3BerfvvW5qWirQdhMP3/RPudKVqfSZabs4P4EyWySTNhjE82vlT6K20gUBB4UGb9CWafOcLd4E+svLczw0SfWqBFu5oY+J5RtienzocM/6ugJ9gDlo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758204375; c=relaxed/simple; bh=LHYO9FLHePXvRunBbFXq2yIww9rcJFc0YdqotGUFypU=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=UEQhHLVQxIGMVg4W152ZW6ITVk7Oj48o3najdsv7pEOn5lXLBpxSAgPKKfoszRoT2upsytoYrJN7YnIH5C6/tj4FrcQVc2HwvOBYSZDKMKYnQrsGR35cA6jLT4Gdxi0ZZGv4PKOV0c90SmWo/CJt2nkLaewGxXS088g4PA/Ohos= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--elver.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=BaBODtnp; arc=none smtp.client-ip=209.85.128.74 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--elver.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="BaBODtnp" Received: by mail-wm1-f74.google.com with SMTP id 5b1f17b1804b1-45de18e7eccso5837955e9.0 for ; Thu, 18 Sep 2025 07:06:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1758204371; x=1758809171; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=nMl1c+2bip1CSgLpfgWYnQ0cyIrLa9qex036CuBQq14=; b=BaBODtnpzDBF/OFJHTE40E/4T7S7KJC0zb39WSvju68bQKDcgpKGS3jacz4BS8JY5f yiu8tfYSVNi4+V1dBLIHyK8G3yW0Ow1Fi9Ymqq8EUJO+cFIUxQTvkvacWgYkMIJNKvSH K/r00Hu+1k1icO3lcw+Tz0mxSOJhg7tdnB3RZC90NCUtf3fyrj/PPHZ0b6otHenzAn5G WAiGgXOKltuIiOiqAn07wQtT0cFBD5O9Y8KjkiCkkw/0iqMy/IZwsn51F5x2VG0C/srJ 0eBMmXLXAvMH8IQY3PHD6DZ1Z65C94v2e6q/QECaIRJFRF3uZLG61xxH4ub2JWp026DD Idag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758204371; x=1758809171; h=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; bh=nMl1c+2bip1CSgLpfgWYnQ0cyIrLa9qex036CuBQq14=; b=htKTET4odKbhnAHdZNEtVx+yif1x/6MRTdRRkFVsd506chbxW8r+PTrkSneKw9GQ4H Kg/9vmWIYxs02eXAG+maWiU/ZRsnbuRCR/+c8ZoSkqqPpkfIvXc+I8xbYJ/WyBXbs6qR Cl7xQsBhze9vGW0pCpbQ0Ubj97cdHUCfuAxCc+4mgqQkpzF/G73HfJz0bb6y1wUIzS+Y qCnNYUuXLYFBjesIq3ioGt54tTO/T7/YGaX4VuMZ+HCxy0B63gGv/L+4v4HgvajBO4Hh CX32YkrFBvVhrLd3c+rJdJvbm26yA3JiScR9vBRkLOQ69zxlwmUl7ogffPcvjziAuxV7 YAmQ== X-Forwarded-Encrypted: i=1; AJvYcCUdE8e6RKe19BaOQ5zXvarGvBiKQZ+8dOr5jv2MkdLi85z8w/3LC+njnbowLi9uWysVC8Mnnmp09VvBUNw=@vger.kernel.org X-Gm-Message-State: AOJu0YxEgYXh5yzkUfI4S9iKIJlohzfhnNcKvm/2nANHr8yo2V4cJmLp sxjopYT9sD9JbShy2xcgzoAoV9qdPubwXT2l/ukn8RJaO0CVCA8TLE4YO9ps1z+nTmRsONbLYCj gng== X-Google-Smtp-Source: AGHT+IGGSan2NMk0haZJyAnJIFJtZQy4kWfduj7BSWtkqxKSEROyPCMlVWawyq2y1FSCfdmQzsRbgTIQaw== X-Received: from wmbay25.prod.google.com ([2002:a05:600c:1e19:b0:464:f7d9:6b0]) (user=elver job=prod-delivery.src-stubby-dispatcher) by 2002:a5d:64c5:0:b0:3ec:dd12:54d3 with SMTP id ffacd0b85a97d-3ecdfa1eb5amr4911144f8f.35.1758204370434; Thu, 18 Sep 2025 07:06:10 -0700 (PDT) Date: Thu, 18 Sep 2025 15:59:27 +0200 In-Reply-To: <20250918140451.1289454-1-elver@google.com> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250918140451.1289454-1-elver@google.com> X-Mailer: git-send-email 2.51.0.384.g4c02a37b29-goog Message-ID: <20250918140451.1289454-17-elver@google.com> Subject: [PATCH v3 16/35] kref: Add capability-analysis annotations From: Marco Elver To: elver@google.com, Peter Zijlstra , Boqun Feng , Ingo Molnar , Will Deacon Cc: "David S. Miller" , Luc Van Oostenryck , "Paul E. McKenney" , Alexander Potapenko , Arnd Bergmann , Bart Van Assche , Bill Wendling , Christoph Hellwig , Dmitry Vyukov , Eric Dumazet , Frederic Weisbecker , Greg Kroah-Hartman , Herbert Xu , Ian Rogers , Jann Horn , Joel Fernandes , Jonathan Corbet , Josh Triplett , Justin Stitt , Kees Cook , Kentaro Takeda , Lukas Bulwahn , Mark Rutland , Mathieu Desnoyers , Miguel Ojeda , Nathan Chancellor , Neeraj Upadhyay , Nick Desaulniers , Steven Rostedt , Tetsuo Handa , Thomas Gleixner , Thomas Graf , Uladzislau Rezki , Waiman Long , kasan-dev@googlegroups.com, linux-crypto@vger.kernel.org, linux-doc@vger.kernel.org, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-security-module@vger.kernel.org, linux-sparse@vger.kernel.org, llvm@lists.linux.dev, rcu@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Mark functions that conditionally acquire the passed lock. Signed-off-by: Marco Elver --- include/linux/kref.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/kref.h b/include/linux/kref.h index 88e82ab1367c..9bc6abe57572 100644 --- a/include/linux/kref.h +++ b/include/linux/kref.h @@ -81,6 +81,7 @@ static inline int kref_put(struct kref *kref, void (*release)(struct kref *kref) static inline int kref_put_mutex(struct kref *kref, void (*release)(struct kref *kref), struct mutex *mutex) + __cond_acquires(true, mutex) { if (refcount_dec_and_mutex_lock(&kref->refcount, mutex)) { release(kref); @@ -102,6 +103,7 @@ static inline int kref_put_mutex(struct kref *kref, static inline int kref_put_lock(struct kref *kref, void (*release)(struct kref *kref), spinlock_t *lock) + __cond_acquires(true, lock) { if (refcount_dec_and_lock(&kref->refcount, lock)) { release(kref); -- 2.51.0.384.g4c02a37b29-goog