From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout-p-103.mailbox.org (mout-p-103.mailbox.org [80.241.56.161]) (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 79981340416; Wed, 3 Jun 2026 10:56:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=80.241.56.161 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780484168; cv=none; b=SknYC/X3njaTOvIeQ07kEix0u0bxriBenjcY2v0UM4QC6sAhMWsDItupekWke1xtC2GGmOoeDO18dyXdhyXjOvg8u/fE3eRTTc2W4JOkJ6uqbS8Z/lHKZPFoz7d4IpVIIt7AaaabfeNqUVeTGQleaMbfxsKBxnu572rzLPx4KhU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780484168; c=relaxed/simple; bh=qB/lQfI4dsfp4RRMTU7nRrxcm6HE6yD9Mh5ftr5+Odg=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=WP4SPVvlM2iB5abIPAzvHP+nEw60TLw8AQkaGtdOr+15My4Mb4Kfw1UrPKVgk0i0dEq0ljmmuC2w1D7ydwlUaOJ/DidobFKtk/qyq9ybEsuCmVc/DcDDTOw22vc/Psb6NMEezbR2s3G2eJ08fhynu7cIaEu6GuPnbz4CWtqvUJs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mailbox.org; spf=pass smtp.mailfrom=mailbox.org; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b=hksvWnts; arc=none smtp.client-ip=80.241.56.161 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mailbox.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mailbox.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b="hksvWnts" Received: from smtp1.mailbox.org (smtp1.mailbox.org [IPv6:2001:67c:2050:b231:465::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-103.mailbox.org (Postfix) with ESMTPS id 4gVl422n9qz9t1S; Wed, 3 Jun 2026 12:56:02 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1780484162; 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=mYLPDcy2H/OdgxAqqsMYxi9ouNTaBTAKlEi5O7LobLk=; b=hksvWntszK8FsFQalsKjtqSDsZK714OAzxKxHZRLgm8W/t3xn/R/cGeKVOv3knByosd6LJ 2rLwRKAyWUKPOl5QB/8yaHrq7uu5Vbvsmu2r1SRThs3Rl59hX0leQ/PdR6uSTPFVpNygNI wll8BA16q4sts9e1EWYEQp6LFxsy2LXrKsNwJBH7ozmejLNhSG2GvS4Z9tsY7btQnysOWq /8fa7p+CfK+NY+/xOFeYUwIdH3ybS3d60CE/WwFYiMy0WKvgzL/zVvs9YE8rpChHyDzv7z Qa7kRMQ7VnAE9ewyx/IWP7n53sUEKWUx4kXuzO9dgmkUFkGDXv3PKIXvw0bBzw== Message-ID: Subject: Re: [PATCH] Documentation: index.rst: add entry of other sub-directory From: Manuel Ebner To: Sebastian Andrzej Siewior , linux-rt-users Cc: Clark Williams , Steven Rostedt , Jonathan Corbet , Shuah Khan , "open list:Real-time Linux (PREEMPT_RT)" , "open list:DOCUMENTATION" , open list Date: Wed, 03 Jun 2026 12:55:57 +0200 In-Reply-To: <20260603102020.ZsS16TaP@linutronix.de> References: <20260603080430.344391-2-manuelebner@mailbox.org> <20260603102020.ZsS16TaP@linutronix.de> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MBO-RS-META: j8nar46ch35zgpd5mmtm4uy6g3qsymah X-MBO-RS-ID: 97f1a0ade6ecd05d2bd On Wed, 2026-06-03 at 12:20 +0200, Sebastian Andrzej Siewior wrote: > On 2026-06-03 10:04:31 [+0200], Manuel Ebner wrote: > > add reference to scheduler/sched-rt-group.rst > >=20 > > Signed-off-by: Manuel Ebner > > --- > > =C2=A0Documentation/core-api/real-time/index.rst | 1 + > > =C2=A01 file changed, 1 insertion(+) > >=20 > > diff --git a/Documentation/core-api/real-time/index.rst b/Documentation= /core-api/real- > > time/index.rst > > index f08d2395a22c..661b419e7f8f 100644 > > --- a/Documentation/core-api/real-time/index.rst > > +++ b/Documentation/core-api/real-time/index.rst > > @@ -15,3 +15,4 @@ the required changes compared to a non-PREEMPT_RT con= figuration. > > =C2=A0=C2=A0=C2=A0 differences > > =C2=A0=C2=A0=C2=A0 hardware > > =C2=A0=C2=A0=C2=A0 architecture-porting > > +=C2=A0=C2=A0 Real-Time group scheduling <../../scheduler/sched-rt-grou= p> >=20 > Have you been using this and are referencing this because it is useful > or did you just happen to find it? I happened to find it. > People have been complaining about this=C2=A0 Maybe with the help of them we can figure out what's happening. adding linux-rt-user@vger.kernel.org=20 > and I *think* it fails to work > in multi-CPU scenarios (it might work if the task is restricted to > single CPU usage). Not entirely certain. But complains, that I am > certain of. > There is replacement underway to utilize SCHED_DL for this as in > "Hierarchical Constant Bandwidth Server (HCBS)" > https://lore.kernel.org/all/20260430213835.62217-1-yurand2000@gmail.com/ will look into this. >=20 > Sebastian Thanks for the feedback Manuel