From nobody Mon Jun 15 04:15:13 2026 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (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 4243F24677B for ; Wed, 8 Apr 2026 03:20:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=124.126.103.232 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775618441; cv=none; b=k28t5g+amn7u3Ct0tPZKZ6lDGX7kdkdJmjvZzlLM0NF9W6Czp+FuS6F/LUS4uV4YXfRvskcPuEHnVpzLldRhzG3haiPP0dSn8IWWpJP9nu2AIKYAplo+lAvHCYXHjuw7i98EN5X/5RbVbkLEpUhd60KjX5YF0lYoLJj3kzTME6w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775618441; c=relaxed/simple; bh=wdO34TE1x7sI+XTxVw2fw9hAp67564DaGEFxp67eupU=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=fORtVFiAY5tuYh+orVdhG2vj5TFb+guxqAQ0gS0dRekI0S60DqSrASvQe7fxBCiDQqok/eAm2zPalymXubJwYqtVx0EjjeyFRg6TaAy2zYuUKIqUE7tp4EdmBNpIC8jzKc9OgcXCH9kppwlLLnTV+w+FU5gxctik09vIUt5UJvg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.client-ip=124.126.103.232 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kylinos.cn X-UUID: e423823832f911f1aa26b74ffac11d73-20260408 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.12,REQID:ba2ed83b-eaa7-4ac7-b8c7-61efc6ffb3ee,IP:0,U RL:0,TC:0,Content:-5,EDM:25,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:20 X-CID-META: VersionHash:e7bac3a,CLOUDID:5af77ef4e70d6989f24bc42410ef2adc,BulkI D:nil,BulkQuantity:0,Recheck:0,SF:102|123|850|898,TC:nil,Content:0|15|50,E DM:5,IP:nil,URL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA: 0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: e423823832f911f1aa26b74ffac11d73-20260408 X-User: fangqiurong@kylinos.cn Received: from localhost.localdomain [(10.44.16.150)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA with TLSv1.3 TLS_AES_256_GCM_SHA384 256/256) with ESMTP id 1978303471; Wed, 08 Apr 2026 11:20:28 +0800 From: fangqiurong@kylinos.cn To: sched-ext@lists.linux.dev, linux-kernel@vger.kernel.org Cc: tj@kernel.org, arighi@nvidia.com, mingo@redhat.com, peterz@infradead.org Subject: [PATCH] sched_ext: Remove dead code in scx_set_task_state default case Date: Wed, 8 Apr 2026 11:20:25 +0800 Message-Id: <20260408032025.3042093-1-fangqiurong@kylinos.cn> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: fangqiurong The 'warn =3D true' assignment before 'return' in the default case is dead code - WARN_ONCE is never reached when returning early. Remove it. Signed-off-by: fangqiurong --- kernel/sched/ext.c | 1 - 1 file changed, 1 deletion(-) diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c index e8384b5f1b0f..4aaa7bf1faa6 100644 --- a/kernel/sched/ext.c +++ b/kernel/sched/ext.c @@ -2934,7 +2934,6 @@ static void scx_set_task_state(struct task_struct *p,= enum scx_task_state state) warn =3D prev_state !=3D SCX_TASK_READY; break; default: - warn =3D true; return; } =20 --=20 2.25.1