From patchwork Thu Feb 6 18:10:07 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marco Elver X-Patchwork-Id: 13963492 Received: from mail-ed1-f73.google.com (mail-ed1-f73.google.com [209.85.208.73]) (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 608131F4174 for ; Thu, 6 Feb 2025 18:18:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.73 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738865902; cv=none; b=RDnWtI9403aJ8K9hdqaVQ+Yga5+IZshEa+xQIcAnrUvdlSafcJJsjj4GTQezI5zUazQtEshF1WIyd6hCAhQaB6K+tHUEickIdBwfAnPxuSyQNLV741cyUdYWWDJnG22ST405eShQgrfTT8nXdsSHo6UD5rddEuXUEwsojGNiIRY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738865902; c=relaxed/simple; bh=Y9ecdWWtlfdxtG756H0/OQ3twmMuyLw5QPOn7VZx5xo=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=Eovo/Porz7KDsSqt7WxkZMSMJ6uxdOPg3RmhCF7PbWOGtqDRS5Fu/ZCxIOqEHt3OPJklKRuDOrRJ5r0YyQNLST1WSnaI1LlQROdS/qGir4Rh0WzHsxPHCsYpRSFyTc3DSpqWPuPj7tQAn2yQge4Z0rliNMH8uaScKV5oFcI0Muw= 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=hZPTZHaf; arc=none smtp.client-ip=209.85.208.73 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="hZPTZHaf" Received: by mail-ed1-f73.google.com with SMTP id 4fb4d7f45d1cf-5dc6714f3e8so1735850a12.2 for ; Thu, 06 Feb 2025 10:18:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1738865899; x=1739470699; 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=nywgR7jAINvHiuDVB4pmE7YTMO7Utfq2UN01exAeezk=; b=hZPTZHaf5WSPoU5yoeyyjfqebZFC+khtx+219AqDn4G87F5WK08nKW9aOg0w/I7rbO 6B3bQXvYKm43fx7QtrWXBb3gXMuhxPdD+cybNbdsNS36X1BNNaomTroeqtZsumn++iPw XA1Booery4+/REIbSd4fvGc68mNnKi6SMrxv7DoP3iolWp++2pm819CnBFhkkhYcDDXX 4gfO4z4RWJgnGrs+7073pvdNeXEAv/RiG5Rb9eF1FdmwYwdoIQxLvX2q6PDogaQJW9O8 1s98iEBrTHKoA+3eJIODb4YRj/YTvE4t43efauXfVBvCJeMFg/6MH7n44T5z2ymUPsZp CvxQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738865899; x=1739470699; 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=nywgR7jAINvHiuDVB4pmE7YTMO7Utfq2UN01exAeezk=; b=bNYNHYxfPZpyEUBAWXh2gT4b2hWQUZIjWEr9HEZ/VspD3W1GxpYueT9XDUs5AlOkzr b7lIheW59lLVbWIh/ZCIpwN3Q/kBEKdBqNbmLkvchENkLouX42D25GvQEROAlG0LK3fb +KQs+U6ZNkYuWv+j/bQHgjYO4sXp9MIh5nIPNIGAhL91mugZrz/ckca9EBOrapoSDSRP ipBq441BB7BDzc937aGJpsUDLoXhhfixQIKAgci7e2pR3VT2gI4KpgrO4UaSiiHiT9DC Y+DiPsgObQyS6AZ78ajkSc8uq7b7j9XsomhI68mv/2VMV4rRQjFOSuUmkhp3upYgG7Dl 690A== X-Forwarded-Encrypted: i=1; AJvYcCW6oLKH11kM/+/pghXDTJ6GuAuHwBsq/KV7AR5Lb28V5Y3n5pFwovJmlhnfQdR4Kv6lBc8=@vger.kernel.org X-Gm-Message-State: AOJu0YyNZAElp8Jji/1oombAZMcjhJUbdGCnksN19qkPPkn8aYx4onIH f/ea2UbgGqRyWB/sAslKuENHbTWmpFMurVoyykxtTIMoK6qJIdfJDldirQxddYor9CIPGvwGnQ= = X-Google-Smtp-Source: AGHT+IFTk3UeF0W3iesDJF4EyACnSXH4BTQBJaMsRlkE8Y124Sbz3T2V3DVtoGu6cpwiCqo9TIV5lxqZAg== X-Received: from edag6.prod.google.com ([2002:a05:6402:3206:b0:5de:3ce0:a49b]) (user=elver job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6402:51cb:b0:5dc:88dd:38aa with SMTP id 4fb4d7f45d1cf-5de45005a73mr490615a12.8.1738865898851; Thu, 06 Feb 2025 10:18:18 -0800 (PST) Date: Thu, 6 Feb 2025 19:10:07 +0100 In-Reply-To: <20250206181711.1902989-1-elver@google.com> Precedence: bulk X-Mailing-List: rcu@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250206181711.1902989-1-elver@google.com> X-Mailer: git-send-email 2.48.1.502.g6dc24dfdaf-goog Message-ID: <20250206181711.1902989-14-elver@google.com> Subject: [PATCH RFC 13/24] bit_spinlock: Include missing From: Marco Elver To: elver@google.com Cc: "Paul E. McKenney" , Alexander Potapenko , Bart Van Assche , Bill Wendling , Boqun Feng , Dmitry Vyukov , Frederic Weisbecker , Greg Kroah-Hartman , Ingo Molnar , Jann Horn , Joel Fernandes , Jonathan Corbet , Josh Triplett , Justin Stitt , Kees Cook , Mark Rutland , Mathieu Desnoyers , Miguel Ojeda , Nathan Chancellor , Neeraj Upadhyay , Nick Desaulniers , Peter Zijlstra , Steven Rostedt , Thomas Gleixner , Uladzislau Rezki , Waiman Long , Will Deacon , kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, rcu@vger.kernel.org, linux-crypto@vger.kernel.org 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 bbc4730a6505..f1174a2fcc4d 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() *