From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f73.google.com (mail-wr1-f73.google.com [209.85.221.73]) (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 443AA3101BA for ; Thu, 18 Sep 2025 14:06:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.73 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758204363; cv=none; b=TXtVDyTQMPMXEOtv6G1DtTDPR6W61hgJWK3x+V6xtfV/l9fd8cZhrdSIbn0sPPxYV0qQh2xRqlH7N61C3OJk0rKFyJDaxkmpytt9Yg6Z5pm2dYVdGI6ZTNoBHHcT8hwCrumihCIvqIn9cIeEY+ye8ZiH/xzqralgrdMCBRbl5mg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758204363; c=relaxed/simple; bh=/5HhdQcxMvAGlf0Tsk8GdQh2Mls549x0+PiJde1VHsw=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=IZfaLH7evEKpQCXT16sqkAY9O2844TyCVJ8Rmy+6t1Yg6S8sex0PDf9TGUWJhcE4MuLlfM+xl2QRxjutoayvLSgibcCyE6xmjk+GJxVfMxdxeY8kvABN610XF4jJYzU3eJdF/zO8tOFAbrEZ8BkW47nIYG7GIOdPq2FXVhjwTcs= 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=qru6GewL; arc=none smtp.client-ip=209.85.221.73 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="qru6GewL" Received: by mail-wr1-f73.google.com with SMTP id ffacd0b85a97d-3e997eb7232so453687f8f.3 for ; Thu, 18 Sep 2025 07:06:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1758204360; x=1758809160; darn=lists.linux.dev; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=5lBqaGhUvOv+7EeFvUiY/U7KvKRahgMMUHhFj4QhTCc=; b=qru6GewLk2QZNPkLL+EcmCx4ineO65dVPj3BoLhGTRyle9vO2zdN8XaK3fssXuZR9I 0MVyh55iTQZHmajSKEyMuc8Afs5KgMszTBDZPyNvfs4bXZEXTOfutGViR5FBAOI+S/XN NnX/+NGdf+CmHuTQrI/+aXWCadONqH50xh9NV4WmOZKY/M5a7Wg7bqYRWKcYNZ+6CsC/ Hu+uVq9X6Jq0xwuFx1D+cwUszg6KDbegjPIUsK9AB2NXrY7O+zf3ZTkLbXK1AXiHk6Z8 yvzVqrMe8A58SLAbK5tulqhbuEeHrGvP4bcWTvbpmI1sKlbwZo8itZCWhOr5oX1BttoO zG6w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758204360; x=1758809160; 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=5lBqaGhUvOv+7EeFvUiY/U7KvKRahgMMUHhFj4QhTCc=; b=QQYMsTUPHmXLgylOkwCHDQdF3aEGPuszSyC9juLWma8wPc1iwBMgiqsmEZA5nYTvnX 70cDRag2y/P3q7N3qT2mkt8YsQJLioClrtuTlU6QnrpC+4NSFY6LV/wHVT24LRq/2995 EvgpKb3pAOTtvuI00+U4cQpfffWWRxFU9H6Q5CBv5GlL9VZUakqbysWX9AQkmJmRyVeQ l7/viViA8t+IgNa73r8KgNiNqaidKsA9i+ovyKSLz/1y7cuESXVCW5ue9LjhvYb8jy2F 5+Bc/tVdtDVkecsMhmALCvNfCj9LoeGk4H6olsPBAXE5vcHXk354TKnlZfcPmltjkZq5 DnGQ== X-Forwarded-Encrypted: i=1; AJvYcCUiED5zZj6epmP5r2SLOgRiATlqe6EE0mWBjRDBg4+JWciA01Rovqbq5yq7NDkTakg2Tp2J@lists.linux.dev X-Gm-Message-State: AOJu0YxX17RAoYxJQ4S0NLZYl1Dv5JjbJxQHj035LR3BkG3u0s2q3vWj aHoCAXFwwVfI422XDdGjxOyKwx43gh8Nqdwr04v7PLd5aismW8sS7CW1CdKcpjpo76LweBRUOop dqA== X-Google-Smtp-Source: AGHT+IHiULKUOB+EsrBDrVl5HZcjneDq5C1ugpdpG+JWPfxVb71lR0xGZgLTOsEBDQp8WA+TeuGcjvm7Gw== X-Received: from wruk7.prod.google.com ([2002:a5d:6287:0:b0:3ec:da84:10a4]) (user=elver job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6000:40cb:b0:3ee:1461:1659 with SMTP id ffacd0b85a97d-3ee146119c6mr1267126f8f.31.1758204359630; Thu, 18 Sep 2025 07:05:59 -0700 (PDT) Date: Thu, 18 Sep 2025 15:59:23 +0200 In-Reply-To: <20250918140451.1289454-1-elver@google.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev 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: <20250918140451.1289454-13-elver@google.com> Subject: [PATCH v3 12/35] bit_spinlock: Include missing 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" Including into an empty TU will result in the compiler complaining: ./include/linux/bit_spinlock.h:34:4: error: call to undeclared function 'cpu_relax'; <...> 34 | cpu_relax(); | ^ 1 error generated. Include to allow including bit_spinlock.h where is not otherwise included. Signed-off-by: Marco Elver --- include/linux/bit_spinlock.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/bit_spinlock.h b/include/linux/bit_spinlock.h index c0989b5b0407..59e345f74b0e 100644 --- a/include/linux/bit_spinlock.h +++ b/include/linux/bit_spinlock.h @@ -7,6 +7,8 @@ #include #include +#include /* for cpu_relax() */ + /* * bit-based spin_lock() * -- 2.51.0.384.g4c02a37b29-goog