From mboxrd@z Thu Jan 1 00:00:00 1970 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 44DDF2D3ED2 for ; Thu, 10 Jul 2025 10:47:44 +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=1752144465; cv=none; b=JhEObL47jl6rMoisYMN6idsAwstprLnA6CToJeWM4hSZPMsGm/hmxeGHOMrdzIRMIQShVRGXHRUhPfgjWLAArAB7F0RyCx8Wdl7/AR4eg7bB+1Z31KwdBoBpP9OsZxGnRQnj7d2WJe5PG48XddoBDjWQVokq1frYS8KH7lJlJqo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752144465; c=relaxed/simple; bh=PagKpfrg/CoVjOCw2gulRvIjEDVrXdnTDmoAFAYLbnw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=h9ipB3Yzoq7w6sTYkjQZ6wVIBYHT+8IIQSYGAg9YhVMT0EdyyWdEA/bD2BmGiJzHFC6m+otV2Wx2siNC7VhM7HSb3g7rpEJQZP02THBVkKhnRNIdFWG/qIPKY/afYUBYytppTacbWSaKgLOPo91ADekSiav4asc24H+2tH/v1uU= 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=jAUJfQ1E; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=2+vSIxPP; 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="jAUJfQ1E"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="2+vSIxPP" Date: Thu, 10 Jul 2025 12:47:40 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1752144462; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=PagKpfrg/CoVjOCw2gulRvIjEDVrXdnTDmoAFAYLbnw=; b=jAUJfQ1EsTwFcysThuS+KO9PEGuqZEh8nGOZoo43TMNHng3gpe2oFLkTUJkWD4cm1Y2ODq KTD+oTny42JjNrXzm5glxn8ojp4m+SR5pHIbSqBVuTDJkyAZPlzehHaRrAFEbQEEIoh4wr UUHxuZqwPaffva1EWAZeY7AzUhBc7qTSWru2uaSVcv7sjlzDd1WIt/bIRmOTpamqvkwj6h LUuKFwPryCWMuVeWvissTzVbrnbqijztda1jM3HkJAtRK0KQbNnZ9Zi9EhYriilWuz00rz a/HqFeglH/Wvzuo2jdRUzEiPgmurVwll7zCZ1WfLQBK7+HTnYyuo8DKspRMmkg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1752144462; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=PagKpfrg/CoVjOCw2gulRvIjEDVrXdnTDmoAFAYLbnw=; b=2+vSIxPPORjjdSfzFFX7diVuu+QwkLrVLn6SAUealHMHy8JhJt9CiQe6FLy2xp3L/OEbfF ipygo0MoeCe4M6DA== From: Sebastian Andrzej Siewior To: "Chen, Yu C" Cc: kernel test robot , Ingo Molnar , oe-lkp@lists.linux.dev, lkp@intel.com, linux-kernel@vger.kernel.org, x86@kernel.org, Peter Zijlstra , Dietmar Eggemann , Juri Lelli , Linus Torvalds , Mel Gorman , Shrikanth Hegde , Steven Rostedt , Valentin Schneider , Vincent Guittot , aubrey.li@linux.intel.com Subject: Re: [tip:sched/core] [sched/smp] 06ddd17521: BUG:using_smp_processor_id()in_preemptible Message-ID: <20250710104740.XLv9MRX1@linutronix.de> References: <202507100448.6b88d6f1-lkp@intel.com> <6cf071f3-ff5b-4025-8ce7-2f2cceb03984@intel.com> <20250710062528.T-Obm39T@linutronix.de> <292e70ed-aae5-4f52-8f85-80cba7ff301d@intel.com> <20250710081114.5wnABNG7@linutronix.de> <99573578-95e8-4b97-b2c8-d8229e4816e5@intel.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=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: <99573578-95e8-4b97-b2c8-d8229e4816e5@intel.com> On 2025-07-10 16:29:51 [+0800], Chen, Yu C wrote: > I see. So there is still a CONFIG_SMP to check migrate_disbled > in debug_smp_processor_id(), and that was skipped if we do not > have CONFIG_SMP set. Exactly, sorry for that. I planned to let you do the figuring out and sending the patch but got confused midway, had to look it up and then had the patch ready and decided to send it=E2=80=A6 > thanks, > Chenyu>> Thanks, Sebastian