From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f69.google.com (mail-pj1-f69.google.com [209.85.216.69]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4DC2C34B1A5 for ; Fri, 7 Aug 2026 03:52:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786074761; cv=none; b=cAp+609/dciOBN9wkdQSiAmRR4GSkSTgxiYcBVY//wRhWWFOaLuI+cRW9+Jg4T9R2yyBu85CVybdGhFI9vz8AunKudpJqnX0g/dCTla37EZLYRWk/OEbBgMqttTCPwAD8SXZmb8dcG6heuiXDLuGWR2MT5udyfmUq/LZkb5VqC0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786074761; c=relaxed/simple; bh=5yvP+idFJpuYqgACMllwQRMMhFNd/wSLjHeOdVmOm4c=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=OMIg/zuEHTvan7PREb4rmdRnxVFG5IOHtPxmlTYAF/znm7axVQTLxcl0ctopTEssLnUCwE8euVl2P4YS2prmRGuwuUN2rKx7ULIAEy50SJ0ClbCYLkcTmuRpbVqk5eFGIgYVtcoBG89pPZ4QSdePLCR2CV/ZwQaMmpWAjj4FnN0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--jstultz.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=V7kcZ8lC; arc=none smtp.client-ip=209.85.216.69 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--jstultz.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="V7kcZ8lC" Received: by mail-pj1-f69.google.com with SMTP id 98e67ed59e1d1-38f5ac7416eso3578251a91.3 for ; Thu, 06 Aug 2026 20:52:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1786074759; x=1786679559; darn=vger.kernel.org; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:from:to:cc:subject:date:message-id:reply-to :content-type; bh=0h3BDRkU0A8iDDcvEIaMLz4VqHCGOefnCdxoKfqo/7o=; b=V7kcZ8lCVuZw9XoR45ulUzOxjWBXk0MPk5+lIKl+Xn3gr//O1AK8yy4Fcpx0alB64n L3xHItm1fAC9RGhhs0BDvUN5IAQ72RlBI+lrLSHZEVicnJEW2tXIBHMUeUs+GFWXbY1W fTMgSgAGXNcwBFyUoAY1O5w62Mv5u43gxBk3AUVfm6NTnbjN2wqYsn3knLJQxJ8IOapd 2wK7JljXFWsFzUYd+qCkKaEDH851TG6Qr+Udy7EwGAYu/I+ZosrgT5bTq7bfujIDL3LH avScHpjYUca8yOKJa8dGF8/YF4dX7zSSl5XyQqs7uUX3SbUHvJOMNt8ly9tLZcfgfCBh QJsg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786074759; x=1786679559; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=0h3BDRkU0A8iDDcvEIaMLz4VqHCGOefnCdxoKfqo/7o=; b=PmaoL/mcvR2/eg+7Zd2OHb6sKpaosPTUTESgKjssx96zcbr1fFlrrKiP7UxJ9k80R1 vKne10i4BeQInq0S+JbCuQgMpF9SGteDbXX/4lMkaK4Ogp2PtngMaAXZIPv5jAAecyl9 fFEUQpyNLbQiuC/38cCCZy3xf30QeHZMdWmf4ylQIIpPI+RBuo8hCmGJtXwJ+rUI0C+w uhcFRLPi11ObPRlT9ARSFTDqrZSBba3yiza/bGmtt2e0l7pSO6raubh0ilDMg2XNwEPk j0aF8GZwcfqqyQwTJ5yUDbBN2Yj/QWHpAfsOkD+9h6BsX3oBAB9PNpjIFz/6YuExRCNi vfqw== X-Gm-Message-State: AOJu0YzvFVfbOYVjuWn9Ha4wp2LsHdA0lkYl83cbodhud8JddXTOmXiS UdgmO1kV/JSSyV0o+LhTCXTVCg6xcTTHVImFTXNaYmxBGY6dxyqbTYY0aB9EWxU908wo3hKIm0g I5XIXrtQ4bMr0TbAtvX5DlxUoNfKh1evvdvH97GIgYmWzTMEdK/1Nl0hrooocfoKjeTBZUaHuvb cK//qAGrQaT/ImXCij5gz+FgOZJDImheqn2qahHdgbjEZ1hdXa X-Received: from pjbgc15.prod.google.com ([2002:a17:90b:310f:b0:38e:1db:751c]) (user=jstultz job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90a:dfce:b0:38e:c232:9d3f with SMTP id 98e67ed59e1d1-3903c547f80mr21119534a91.5.1786074759186; Thu, 06 Aug 2026 20:52:39 -0700 (PDT) Date: Fri, 7 Aug 2026 03:52:11 +0000 In-Reply-To: <20260807035232.1881495-1-jstultz@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260807035232.1881495-1-jstultz@google.com> X-Mailer: git-send-email 2.55.0.654.g21b8a5bc05-goog Message-ID: <20260807035232.1881495-6-jstultz@google.com> Subject: [RESEND][PATCH v31 5/9] sched: Switch rq->next_class in proxy_reset_donor() From: John Stultz To: LKML Cc: John Stultz , Joel Fernandes , Qais Yousef , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Valentin Schneider , Steven Rostedt , Ben Segall , Zimuzo Ezeozue , Will Deacon , Waiman Long , Boqun Feng , "Paul E. McKenney" , Metin Kaya , Xuewen Yan , K Prateek Nayak , Thomas Gleixner , Daniel Lezcano , Suleiman Souhlal , Andrea Righi , kuyo chang , hupu , Vasily Gorbik , kernel-team@android.com Content-Type: text/plain; charset="UTF-8" Similar to commit 04f80f8b12a0 ("sched: Switch rq->next_class on proxy_resched_idle()"), we should also set the rq->next_class when we call proxy_reset_donor(). Fixes: f13beb010e4a ("sched: Have try_to_wake_up() handle return-migration for PROXY_WAKING case") Signed-off-by: John Stultz --- Cc: Joel Fernandes Cc: Qais Yousef Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Juri Lelli Cc: Vincent Guittot Cc: Dietmar Eggemann Cc: Valentin Schneider Cc: Steven Rostedt Cc: Ben Segall Cc: Zimuzo Ezeozue Cc: Will Deacon Cc: Waiman Long Cc: Boqun Feng Cc: "Paul E. McKenney" Cc: Metin Kaya Cc: Xuewen Yan Cc: K Prateek Nayak Cc: Thomas Gleixner Cc: Daniel Lezcano Cc: Suleiman Souhlal Cc: Andrea Righi Cc: kuyo chang Cc: hupu Cc: Vasily Gorbik Cc: kernel-team@android.com --- kernel/sched/core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 36e1db67a8374..564762ed36f2d 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -3750,6 +3750,7 @@ static inline void proxy_reset_donor(struct rq *rq) WARN_ON_ONCE(rq->donor == rq->curr); put_prev_set_next_task(rq, rq->donor, rq->curr); + rq->next_class = rq->curr->sched_class; rq_set_donor(rq, rq->curr); zap_balance_callbacks(rq); resched_curr(rq); -- 2.55.0.654.g21b8a5bc05-goog