From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 6CE2E3101D1; Tue, 19 Aug 2025 07:57:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.92.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755590247; cv=none; b=k8K4VJGgbGvDPU9fOjGJV22s3HXfWZjzJNeWOVaB42cdLicQYKeYB5LOCfL8PPrICnIg9rM7pyPUFAuTlUhPwWsUD0VrBmEcK5W2F+8amgiCRJHXTIsuXRfVZMY9hokpdCrY5CHOW2MTrzv7ZM83+a7Mqp6F2qPabwjUkrWB9LY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755590247; c=relaxed/simple; bh=6pvltH+FqpRjs3ghx0QZ/sWmg06Mxyz5vKd8SKGqpzk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=u9v3gYdxV0naLsrYbNyr5nAVH0thYORI1sU3cfQwWxPV3AlOPOqLCaUgUyXctFIS54m2dLMG/EDOVsefjP6Ow9+R0fu7WLYNRUP4pP6AhByBpBraa5nNFI1WEWeet/YL2kz9gFC3CLNdJ0ViLnsWzCVVrQe0NgUnRlV1txYey1A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=EJB2prlL; arc=none smtp.client-ip=90.155.92.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="EJB2prlL" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=VmIosm4L4PY+P0mM7SGV9Zk2/LL+r6zCjeW39m4X7t4=; b=EJB2prlLkNY84ehu1mS2n4wkjK L7qoY/lgnJ0QODp7pnIdbkLBELGIxv6/JEQVcE0fhzPlZI29hzmg2y4+pTZGOWef5U/TCJIotgmbK czMGROWYX6rUZlJZwoYIYngvaJzVWc31otqJjkETJjehxgXXVWmbdTsDBg7hobZ2BzJg+YY9qJwal dvXMtQJyN5PQL0YOvTqAHJIDXJQdZHzAK4d7sPUfkB/CeqvNfOfVGE/80Z4QRyrdcApSwNkxeoqLp YCZz9ZXSk0pG+/Wunlz+NFG/Grc3ZANU0XG52ZNyPqLKEYP1g+OfJeZD6y3cbi4kEOIhvT9qM1Yjj TogBDSLw==; Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1uoHDX-0000000Haj3-42yj; Tue, 19 Aug 2025 07:57:16 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id BBDF830036F; Tue, 19 Aug 2025 09:57:14 +0200 (CEST) Date: Tue, 19 Aug 2025 09:57:14 +0200 From: Peter Zijlstra To: Joel Fernandes Cc: linux-kernel@vger.kernel.org, Ingo Molnar , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider , Tejun Heo , David Vernet , Andrea Righi , Changwoo Min , Luigi De Matteis , sched-ext@lists.linux.dev Subject: Re: [PATCH -rebased 07/15] sched_ext: Add a DL server for sched_ext tasks Message-ID: <20250819075714.GE3245006@noisy.programming.kicks-ass.net> References: <20250809184800.129831-1-joelagnelf@nvidia.com> <20250809184800.129831-8-joelagnelf@nvidia.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: <20250809184800.129831-8-joelagnelf@nvidia.com> On Sat, Aug 09, 2025 at 02:47:52PM -0400, Joel Fernandes wrote: > --- a/kernel/sched/deadline.c > +++ b/kernel/sched/deadline.c > @@ -1510,7 +1510,7 @@ static void update_curr_dl_se(struct rq *rq, struct sched_dl_entity *dl_se, s64 > * The fair server (sole dl_server) does not account for real-time > * workload because it is running fair work. > */ > - if (dl_se == &rq->fair_server) > + if (dl_se == &rq->fair_server || dl_se == &rq->ext_server) > return; Does that want to be: if (dl_se->dl_server) ? >