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dkim=pass (2048-bit key, unprotected) header.d=linutronix.de header.i=@linutronix.de header.a=rsa-sha256 header.s=2020 header.b=4tAA/rN0; dkim=pass header.d=linutronix.de header.i=@linutronix.de header.a=ed25519-sha256 header.s=2020e header.b=gpc4LAiM Date: Fri, 6 Nov 2026 12:21:58 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1793964120; 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: in-reply-to:in-reply-to:references:references; bh=13wYao7SgdJMFoNQ783acf3BVZUk+vlJR+o0bsh4/zI=; b=4tAA/rN02tM8q9N8U7ABvGBYdC7XxtVB5CXDihapFj6aS+jDFV2P5zRpqUa9F1JTqkXy7k In7WKEOL+i+H4A2gztCajpilXRc2lqU1OO0Yut5ZYJfd52x2HIFEp47wQaFxraEkmPUUms +9bH+WFe5UzPKQc4d7fzVJrlatdRl5yHPmmEBrj7PBAhlw2PVJ37IKIrfe/Nx4OxPWZzMl akdWQQyq3j6yk/UMXzuh8sM2RtDqNkEo1r51HI2d6vC1oy938S9N8RUkHYMsLiDRKNYzWg Rkl70qNOlP/TnRA+Vr07EjxKxJP+52hOqSoUDubOSaBPerJBYQoTyDe/uJ96tA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1793964120; 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: in-reply-to:in-reply-to:references:references; bh=13wYao7SgdJMFoNQ783acf3BVZUk+vlJR+o0bsh4/zI=; b=gpc4LAiM170jpseJlsCV0GRERdEQirPpS6mahNdPKPJ2BLabYPn1vhP5OfJ4QE94PlmrJ8 unqw+qPeN9W/RCDA== From: Sebastian Andrzej Siewior To: Peter Zijlstra Cc: Tejun Heo , linux-rt-devel@lists.linux.dev, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, Ingo Molnar , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , K Prateek Nayak , Johannes Weiner , Michal =?utf-8?Q?Koutn=C3=BD?= , John Ogness , Shrikanth Hegde , luca abeni , Yuri Andriaccio , Yuri Andriaccio Subject: Re: [PATCH] sched: Remove CONFIG_RT_GROUP_SCHED Message-ID: <20261106112158.-VI88lZb@linutronix.de> References: <20261105164724.yxONBd03@linutronix.de> <20261105193010.tXUDDu2w@linutronix.de> <20261106105003.GU1813469@noisy.programming.kicks-ass.net> <20261106110435.5MWA_4Hw@linutronix.de> <20261106111213.GG1779021@noisy.programming.kicks-ass.net> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20261106111213.GG1779021@noisy.programming.kicks-ass.net> On 2026-11-06 12:12:13 [+0100], Peter Zijlstra wrote: > On Fri, Nov 06, 2026 at 12:04:35PM +0100, Sebastian Andrzej Siewior wrote: > > On 2026-11-06 11:50:03 [+0100], Peter Zijlstra wrote: > > > On Thu, Nov 05, 2026 at 08:30:10PM +0100, Sebastian Andrzej Siewior wrote: > > > > On 2026-11-05 07:19:27 [-1000], Tejun Heo wrote: > > > > > Hello, Sebastian. > > > > Hi Tejun, > > > > > > > > > > > > > > I'm not against it but wonder whether it'd be useful to do it more gradually > > > > > so that people can pipe up if they depend on it. ie. Mark it deprecated and > > > > > put it behind EXPORT for a bit and then BROKEN before actual removal. > > > > > > > > I would be surprised if this is actually used especially since it is > > > > cg-v1 and v2 is the default/ used by everyone (?). > > > > > > So I would love to actually delete this. But IIRC there were actually > > > people who used it. > > > > That would mean that it is working which does surprise me. > > For some definition of 'work' :/ despite that statement, no removal, depends on broken, anything? Just keep everything as-is? Sebastian