From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 1CE4118A6DF for ; Wed, 4 Jun 2025 16:04:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.92.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749053083; cv=none; b=chOs40dS9lNcVQCv7j5HteacBobvyHQ73nYAlE/lhG5SZ+LPzhuB8NoQcv1WK6r1HfEmswqe0PrUXdNwbszON9aYwTMNmXKMpeXT+6CuH/YQr9GYP3cAGuJQfqqfIrHb36PYvAaZlTyxTvXENOcskQdSVJC7gr5XIdRUZqb3Kz4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749053083; c=relaxed/simple; bh=aX7D/nHqjvADGjMie4fjxlziA0J8uk/7y2iQte4HpdQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=IZOakj1zILBrELmCCX8TR7TclSIaUVDDKgPWr77/XJqYLdda71UeinPmMJLpN+3fMM1ReoCAzW/pZDms+E+mExxkotFOuF5D65iVRHhFXAvPf0o+M6aVEtPembagjlCuvMKcJVl1GtRtoMhMZ+nlsBnqOsem9lIMdS0F+nvHYkQ= 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=GopEpRFj; arc=none smtp.client-ip=90.155.92.199 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="GopEpRFj" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; 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=aX7D/nHqjvADGjMie4fjxlziA0J8uk/7y2iQte4HpdQ=; b=GopEpRFjfbxlPA8FYTjL6s1Ryg vqJb82tDPgzwnXXrowEJMAl9XN0wQdRD0hrQTBXe9gPfIHQ6QlKxU6j1bILR6F4l56YaYFARpT+TC 8VV5v3fwMlRCM4Y5Kq9J1jL2jGClWVYzu6ViG+mtL3ThEsJkpA1Daq3XyWSBf9ENE1lCziTF8fpf3 85NC0CEBBdT1PEouMkKGSEKgLkvTIx25Z16vWVxdeg4wvZwlAPah4wcOHoaia7yEptcjqoOh9hV9M H0NhLQ6eYGE7UfTM3aEo/WTIMHp0oLiu3P8d5VsXLqquejPspLhswv1M+GW+XBPA7LcRU9t7lHXNh B0I5itqg==; Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1uMqbV-00000000ulB-1MGc; Wed, 04 Jun 2025 16:04:37 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id A756330057C; Wed, 4 Jun 2025 18:04:36 +0200 (CEST) Date: Wed, 4 Jun 2025 18:04:36 +0200 From: Peter Zijlstra To: Kuyo Chang Cc: Ingo Molnar , Matthias Brugger , AngeloGioacchino Del Regno , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: Re: [PATCH 1/1] stop_machine: Fix migrate_swap() vs. balance_push() racing Message-ID: <20250604160436.GL39944@noisy.programming.kicks-ass.net> References: <20250529084614.885184-1-kuyo.chang@mediatek.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=us-ascii Content-Disposition: inline In-Reply-To: <20250529084614.885184-1-kuyo.chang@mediatek.com> This and your other patch about migrate_swap() are two distinct problems, right?