From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (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 622EBEEB2; Mon, 6 Jan 2025 09:21:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736155305; cv=none; b=IzlsrYgO0fOZtrYOHDCmv+3n/4eHGUE6iMwpJ3YJNCTTj8RHi371CHoJHnukz0eGWA78Ab5cGWJablj7TOOAfNLLTpK6/npv8lqwQqlxI9TFm5sPEBo9vjZCKvsckYQLeO12U/xboLFynqOAAmIy2tViKDdx8qLAchWBSS0ZENg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736155305; c=relaxed/simple; bh=Hx6r/s7Nr9y/gsll0Xbm9eDSzld6P7l4v18O2+wC5jI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=IT/iW4Wnih0/VHFc8Mp+aICuSvD8ICigzuIGt2XQgfHwUzZk2mBK7Z2B3kfSpdHW/1BVxQjBa0U1XrteU134Ekh69a+aNiUE96ciipVp4NQqBQHt5Ku50FnWHFdKcTSqWCWXeDJlv44uI84016d6yQgz3j8MIT2H0PhdO59cXa4= 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=I1r3ojNa; arc=none smtp.client-ip=90.155.50.34 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="I1r3ojNa" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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=Hx6r/s7Nr9y/gsll0Xbm9eDSzld6P7l4v18O2+wC5jI=; b=I1r3ojNaTdlTQw6qcbSSkMZcd5 flBZwy9C5u3JqQiVlI5MYyohuHrxloC3U12hsZAcyFqzip/VRRDOzwgHNDUt0eM8wEbysEC0gRou+ sJ7vVbXKAIk6ek9LmXKaCdBYq3ZsPhCmin9C8OQdJkxLwZL4NwHu30ocZ5NIEAmE+Eby27McNvZl6 yNktvhQ6Sd5u890qw2BlH2WoiWHSBH2FQR1l2IB/W9tYLnLxhgVTp654xc4r4RrlOxzZ44eCONYww s+AuEDoqDTFIAGTsm5uaDo7KjeDxJbifj5WkmL800AnlEZByDY218ZM0Ydf83yZoe1taMhTYOBOT2 bCImrh9A==; Received: from 77-249-17-89.cable.dynamic.v4.ziggo.nl ([77.249.17.89] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.98 #2 (Red Hat Linux)) id 1tUjIl-000000056In-21Ib; Mon, 06 Jan 2025 09:21:36 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id DBBBE3005D6; Mon, 6 Jan 2025 10:21:34 +0100 (CET) Date: Mon, 6 Jan 2025 10:21:34 +0100 From: Peter Zijlstra To: wujing Cc: gregkh@linuxfoundation.org, sasha.levin@linux.microsoft.com, mingo@redhat.com, linux-kernel@vger.kernel.org, stable@vger.kernel.org, QiLiang Yuan Subject: Re: [PATCH] sched/fair: Fix ksmd and kthreadd running on isolated CPU0 on arm64 systems Message-ID: <20250106092134.GA20870@noisy.programming.kicks-ass.net> References: Precedence: bulk X-Mailing-List: stable@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: Your subject explicitly mentions arm64, however there is absolutely nothing arm64 specific to this patch, as such the subject is just plain wrong. On Mon, Jan 06, 2025 at 05:04:03PM +0800, wujing wrote: > This bug can be reproduced on Kunpeng arm64 and Phytium arm physical machines, > as well as in virtual machine environments, based on the linux-4.19.y stable Development does not happen on stable branches.