From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C37A44A32 for ; Wed, 18 Feb 2026 07:26:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771399582; cv=none; b=WsvAR75asvKrlALPmwcZ2I8RwWbzj53ULn5Ney8EthA/710aXbES2l/IBnz+ukSQwSU0kI5Dqq+oqz31gJ6LnD1zEh85dKOnJfwNOh7ea5cFSyPDPh+7ABlGHueK46SUURtokMKVdvUAB1fbp8Pd4eyGnXgz2scZ9J/b1RArcdk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771399582; c=relaxed/simple; bh=xF+5CiJLpnCYsQ70U+hHod06W5Zhi/JbDyyLJW0WNIo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=M/aq/4Pq/CJdz1Cf09ROKmf+qJ+fz2+uNVQGH5rDm4KY5yDhk9Rf62AMM09llijx+Js66aNmFLM4vort1YHQ+pt5uRlw2SJanR2HP/51ClaJAkZZKmwziFSYE6SRcRxiDfKCNSZ01ehpHmvYtfALHY1S7FC0aw33dy3Onk0E19Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=ENNVtOBa; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=ag0/zdbw; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="ENNVtOBa"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="ag0/zdbw" Date: Wed, 18 Feb 2026 08:26:11 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1771399573; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=usiSFNMA2zUzE988Bi9CDk0oq0viV7d6ss+pffDXEwQ=; b=ENNVtOBatEemgmfmYlomCAKYRgGdU3gASYOmI7HI4qo4Xi4Rd6Id9BYLS2ogC+1NYY5zxJ tqCUNjYtyVbQlSoutgDW4JsrnLT1K+RZ+CmMKyL9HKpyUQsCe0q0wsPZrA+1l7S2o346Bf oSu4fazEVIjDGivt7fHmDJelfirPjuudN6YfFOIpmY2O4hKNwU28UgwTagpoBJO5MJczJq BhdmKx05FOdYJ9wEOraWpBmSNu8+hoIATxFqFV1cMg8YeBWQTKf5Q1HcKnVnWyM7mP126I EC64zs1CiR6WL+4ixKDPJ/ilpZPZGXCMRBb5rpLuZc/mmQrHfkVV44ZdskUURQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1771399573; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=usiSFNMA2zUzE988Bi9CDk0oq0viV7d6ss+pffDXEwQ=; b=ag0/zdbw/QEaA40g9t7iBhZc4oxRaMpoccdDYRSMhZOv5hbw0wjR3ytRAIEVExjnTvcLzp 7kzS/Bpd6R8ZJ+Ag== From: Sebastian Andrzej Siewior To: "Paul E. McKenney" Cc: Thomas =?utf-8?Q?Wei=C3=9Fschuh?= , linux-kernel@vger.kernel.org Subject: Re: [PATCH] stop_machine: Fix the documentation for a NULL cpus argument Message-ID: <20260218072611.ER4hYqGE@linutronix.de> References: <20260217-stop_machine-comment-v1-1-a6271c97113b@linutronix.de> <20260217163105.tbuNIiP6@linutronix.de> <1fd07940-9589-43c9-a103-a28b49d7fecd@paulmck-laptop> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: <1fd07940-9589-43c9-a103-a28b49d7fecd@paulmck-laptop> On 2026-02-17 09:01:11 [-0800], Paul E. McKenney wrote: > On Tue, Feb 17, 2026 at 05:31:05PM +0100, Sebastian Andrzej Siewior wrote: > > On 2026-02-17 14:11:11 [+0100], Thomas Wei=C3=9Fschuh wrote: > > > A recent refactoring of the kernel-docs for stop machine changed the > > > description of the cpus parameter from "NULL =3D any online cpu" > > > to "NULL =3D run on each online CPU". > > >=20 > > > However the callback is only executed on a single CPU, not all of the= m. > > > The old wording was a bit ambiguous and could have been read both way= s. > > >=20 > > > Reword the documentation to be correct again and hopefully also clear= er. > >=20 > > It is the first online CPU. >=20 > Do we want to set that in stone? then keep it as is. I somehow don't like the wording but I'm not here for bike shedding. Reviewed-by: Sebastian Andrzej Siewior > Thanx, Paul Sebastian