From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 8F0AA25291E; Wed, 5 Mar 2025 18:44:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741200286; cv=none; b=ph89Z9OifoDWziGpPp0X5s33I9WkPYTXaGViGVNdVleIi56EcvqYvu12E+y2u35u+XXN69g97FTqFzvuUIoGhd+bf5rZX/gQZcuDb2/S/GcRhQYE5KGe0Y7ZsWaYvZ0VXKZcP+GwtZ0um2ulWkIZH4VSkp5KRuDHEE8hn9WstY4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741200286; c=relaxed/simple; bh=ciTMolwFUhrPwvLE/snGpeinCiypi3lTipfn/yDrxHU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=BX0D3he/2AhDO433701hxS+4I1S6kW9Wb2JgoOIKvYrAUKsC5sRk61VXqJfFWdhZWiYZzaLDIkD0OlgLa8fYKeK++H5SPvkaxLQfrcB4mmhxubc6qDwTKO+VI1zxnAPvr/8L9JZMuNSE/6ySIvyRP4HUWJBig6Xn0RsgJXaX30Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=V+J8zZnx; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="V+J8zZnx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D6672C4CEE8; Wed, 5 Mar 2025 18:44:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741200286; bh=ciTMolwFUhrPwvLE/snGpeinCiypi3lTipfn/yDrxHU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=V+J8zZnxgp48p1L/1XZhN4Z9lK4DiRF+DvC4CabDGBjZcAmIL3L7oyql6Rw9Uy+8w ENXq1nNTwfKzCLWpa0/SGeBZFB30KV29tVcO3l6cs9F3EDj9FUPnU+R3uSiA81mvXb uodq0LCE3LJBx5ND8adz6hIHA0x+RcOZ5HpiAItGnO2UP/C5adpqQ3VRCwCRN5uyG1 FhSCgaiKPGeum2UywMCG6op/Il1XZpk4IOtdx4YbkkTLIhmjiXCCTq6cA9yYwDU7x9 ZgI56BAJToC2u+dIrCA7f5pkBB+atlHF5EO5aGK7+l+ux/g3kBB6+uzY37joYJzXQR uYiFufop9LBrw== Date: Wed, 5 Mar 2025 08:44:45 -1000 From: Tejun Heo To: shashank.mahadasyam@sony.com Cc: Johannes Weiner , Michal =?iso-8859-1?Q?Koutn=FD?= , Jonathan Corbet , Waiman Long , cgroups@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Shinya Takumi Subject: Re: [PATCH 1/2] cgroup, docs: Be explicit about independence of RT_GROUP_SCHED and non-cpu controllers Message-ID: References: <20250305-rt-and-cpu-controller-doc-v1-0-7b6a6f5ff43d@sony.com> <20250305-rt-and-cpu-controller-doc-v1-1-7b6a6f5ff43d@sony.com> 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=us-ascii Content-Disposition: inline In-Reply-To: <20250305-rt-and-cpu-controller-doc-v1-1-7b6a6f5ff43d@sony.com> On Wed, Mar 05, 2025 at 01:12:43PM +0900, Shashank Balaji via B4 Relay wrote: > From: Shashank Balaji > > The cgroup v2 cpu controller has a limitation that if > CONFIG_RT_GROUP_SCHED is enabled, the cpu controller can be enabled only > if all the realtime processes are in the root cgroup. The other > controllers have no such restriction. They can be used for the resource > control of realtime processes irrespective of whether > CONFIG_RT_GROUP_SCHED is enabled or not. > > Signed-off-by: Shashank Balaji Applied to cgroup/for-6.15. Thanks. -- tejun