From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BF40DC61DE2 for ; Mon, 31 Aug 2026 03:19:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:CC:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=P6BmoNo0Rm+l7jB3ysJ71dExwkuryFGpv7yramNe9aE=; b=lJCD3WlMxqLUk68njIu0c/66rk lbHU39FBYuPyw44tLJeuXCYF/LsKvvftdsQZK2D9uyzLHP9NdwNb8iduGXc8yfpweFmhwEPXMlnYH pfFCjLC4s7hGmvTupBP/gZJsI74wu2KheK3jhIuAW85zOl7quOFEazkaLYOLWHsL+uPi42xvsTSh/ gtvKnrLZ4jKX7jBSqnmPhZ/PyqQhcThbBH+c6kkNfUAA87KhHknmVWXD1j8NVgV3CpCKjBSrf00g/ TzPoDpdYlggqRPDX3/fYtu50VocF60GhZzGTbFBy8YRBcQEZQu2yIYYmiqeehuoyqjS2P9cn+C/fl i6RVymtQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x0sY3-00000008OYi-3UA0; Mon, 31 Aug 2026 03:19:03 +0000 Received: from canpmsgout01.his.huawei.com ([113.46.200.216]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x0sXz-00000008OY2-2hZ6 for linux-arm-kernel@lists.infradead.org; Mon, 31 Aug 2026 03:19:02 +0000 dkim-signature: v=1; a=rsa-sha256; d=huawei.com; s=dkim; c=relaxed/relaxed; q=dns/txt; h=From; bh=P6BmoNo0Rm+l7jB3ysJ71dExwkuryFGpv7yramNe9aE=; b=ftuH4LUVwe336rRMXuL6pKgvXG2AMhjdewt2FV+0QUzxt/2uZy9D0W+Fb8ZGUgS9FJ/cARaCB yedCJvaeS3hqAChP06R3i01+swTjmedOowvO4MtMBEt1NodK9HNciBhFUbcvPNY91jllJVXHPtg LFAkyUdCESFklNP/1q0mQgo= Received: from mail.maildlp.com (unknown [172.19.163.104]) by canpmsgout01.his.huawei.com (SkyGuard) with ESMTPS id 4hYDSN6gCFz1T4Fq; Mon, 31 Aug 2026 11:07:32 +0800 (CST) Received: from dggpemf500011.china.huawei.com (unknown [7.185.36.131]) by mail.maildlp.com (Postfix) with ESMTPS id 4D1B94057F; Mon, 31 Aug 2026 11:18:51 +0800 (CST) Received: from [10.67.109.254] (10.67.109.254) by dggpemf500011.china.huawei.com (7.185.36.131) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Mon, 31 Aug 2026 11:18:48 +0800 Message-ID: <110d75e9-1580-42d3-b137-89bdad22b80a@huawei.com> Date: Mon, 31 Aug 2026 11:18:47 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 00/12] arm64: Add HOTPLUG_PARALLEL support for secondary CPUs To: Will Deacon CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , References: <20260624092537.2916971-1-ruanjinjie@huawei.com> <32d41a67-cf37-4079-8218-bed2b73bbf14@huawei.com> From: Jinjie Ruan In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [10.67.109.254] X-ClientProxiedBy: kwepems200001.china.huawei.com (7.221.188.67) To dggpemf500011.china.huawei.com (7.185.36.131) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260830_201900_347867_D55BEDA6 X-CRM114-Status: GOOD ( 16.75 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 在 2026/7/7 1:39, Will Deacon 写道: > Hi Jinjie, > > On Thu, Jun 25, 2026 at 09:34:36AM +0800, Jinjie Ruan wrote: >> On 6/24/2026 8:16 PM, Will Deacon wrote: >>> Please just give me the time I asked for. If you want to help out in the >>> meantime, there are plenty of patches that need reviewing... >> >> It was a mistake on my part, and I sincerely apologize for wasting >> community review resources and disrupting your schedule. >> >> I will absolutely back off now and wait for your official series. Lesson >> learned. Thanks for your patience and for calling me out on this. > > So I've mostly got the old series back on its feet: > > https://git.kernel.org/pub/scm/linux/kernel/git/will/linux.git/log/?h=cpu-hotplug > > but there are still two issues left to resolve: > > 1. The printing that can happen before RCU has started. Although I've > reduced this somewhat, there are still error paths in e.g. > verify_local_cpu_capabilities() that print a message before dying. > > 2. check_local_cpu_capabilities() can mutate the system capability > state via update_cpu_capabilities(), so it's really dodgy running > that prior to synchronisation. Hi Will, Just a gentle ping on this. I replied to the two remaining issues earlier — any thoughts on my response? Happy to help test or rebase if that helps. Best regards, Jinjie > > Since you've added patches in this series that try to tackle these > problems, I'll reply on those two so we can figure out how we would like > to proceed. > > Cheers, > > Will