From nobody Fri Oct 10 17:26:51 2025 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 2FC4A2E7F1A; Fri, 13 Jun 2025 07:37:20 +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=1749800241; cv=none; b=eP8v2M8zWBfokFQlIFVqQBE707ikeE8hmbe+06FmBQz2YffgIclnm5SokUrv9kKThX3sZ4BALc5h5vQCg9PN3n3XExITbSmba28fVC1CRZ9J3uzXHM3Ex6Mh0c/YfqKGMmzliAwpWMBgSjSIqhyBMIudMNm8hcw2zZqDP7W8Jzs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749800241; c=relaxed/simple; bh=Kdw3hBFMipUon2tOuLWtpNPqlMzaZz4xthoOeJG1pUA=; h=Date:From:To:Subject:Cc:In-Reply-To:References:MIME-Version: Message-ID:Content-Type; b=JIICsEfCYTt1ZZUhlV3NqwSmIAn+duMR6tfnXJEgU7L2Y4Ial0NyV4zX7BqYPZ2+iu7qNdwEOYqT2cDCfvYuxFgdbeulArQ9DwB2B+t1Z/umHWFoXY+HQRJxnK4WDsQbxCHiTJm46wcStxpCPDEbhLTQ7vJyIknC3T3iTkNRoAY= 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=lPm5oXZi; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=EWbSDc3S; 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="lPm5oXZi"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="EWbSDc3S" Date: Fri, 13 Jun 2025 07:37:17 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1749800238; h=from:from:sender:sender:reply-to: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=P5h3DREMX1wbuYj6Hcak1PF49V59tWUCHLbGhzQArmo=; b=lPm5oXZil6dGy58FCygPoGjHJYb1BzAnCTa8co6icCgDZff5ccnYQJ86zMHICwKlTAhtPC AvH5WdsIVe4zu0cr4ffZ2TubXpvJ4Oblby1gcucgiEEsCczwhO9m9TbFhf1CknmS3GrhVy O7VEoVcsVMZDzBoLfyh0Ai5qLTgrOyYZQeZ+Fvqkh4GAgLhXW1EcT8DUA1iDaC9nTTSZKU 37v442AugTIjxi4mKOOrJkAAXu89TtRCIiHpzxHKueFuvbfIadCHy1jKV2UVtKyBvAR6V6 1ERMamqAZhEiog+GWmNyLgyE8MX6G0lVeZ/pht4HLso3WkSwEVDKQTNJNnRDyg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1749800238; h=from:from:sender:sender:reply-to: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=P5h3DREMX1wbuYj6Hcak1PF49V59tWUCHLbGhzQArmo=; b=EWbSDc3ShfurPTJSsLsNoG0ADXyQCis7OuE2VnshsVL+qe4qzv1CDN+LlD+1T7a6Ob7DeY oE/we4WBPUIhpXBg== From: "tip-bot2 for Ingo Molnar" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: sched/core] sched/smp: Use the SMP version of the deadline scheduling class Cc: Ingo Molnar , Peter Zijlstra , Dietmar Eggemann , Juri Lelli , Linus Torvalds , Mel Gorman , Sebastian Andrzej Siewior , Shrikanth Hegde , Steven Rostedt , Valentin Schneider , Vincent Guittot , x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20250528080924.2273858-30-mingo@kernel.org> References: <20250528080924.2273858-30-mingo@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <174980023775.406.17404450194416335798.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Precedence: bulk Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable The following commit has been merged into the sched/core branch of tip: Commit-ID: 6324dce8f6262ec2049494af311e5418bc733341 Gitweb: https://git.kernel.org/tip/6324dce8f6262ec2049494af311e5418b= c733341 Author: Ingo Molnar AuthorDate: Wed, 28 May 2025 10:09:10 +02:00 Committer: Ingo Molnar CommitterDate: Fri, 13 Jun 2025 08:47:20 +02:00 sched/smp: Use the SMP version of the deadline scheduling class Simplify the scheduler by making CONFIG_SMP=3Dy code in prio_changed_dl() unconditional. Signed-off-by: Ingo Molnar Acked-by: Peter Zijlstra Cc: Dietmar Eggemann Cc: Juri Lelli Cc: Linus Torvalds Cc: Mel Gorman Cc: Sebastian Andrzej Siewior Cc: Shrikanth Hegde Cc: Steven Rostedt Cc: Valentin Schneider Cc: Vincent Guittot Link: https://lore.kernel.org/r/20250528080924.2273858-30-mingo@kernel.org --- kernel/sched/deadline.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index bf9b70a..0f30697 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -3005,7 +3005,6 @@ static void prio_changed_dl(struct rq *rq, struct tas= k_struct *p, if (!task_on_rq_queued(p)) return; =20 -#ifdef CONFIG_SMP /* * This might be too much, but unfortunately * we don't have the old deadline value, and @@ -3034,13 +3033,6 @@ static void prio_changed_dl(struct rq *rq, struct ta= sk_struct *p, dl_time_before(p->dl.deadline, rq->curr->dl.deadline)) resched_curr(rq); } -#else /* !CONFIG_SMP: */ - /* - * We don't know if p has a earlier or later deadline, so let's blindly - * set a (maybe not needed) rescheduling point. - */ - resched_curr(rq); -#endif /* !CONFIG_SMP */ } =20 #ifdef CONFIG_SCHED_CORE