From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from canpmsgout01.his.huawei.com (canpmsgout01.his.huawei.com [113.46.200.216]) (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 8586D30F533; Mon, 31 Aug 2026 03:18:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=113.46.200.216 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788146339; cv=none; b=rBTvJUM0mwWAHS5uIOCdTGz0sv3ax83u4SV4JNIRV4i7eydn95M4qaE3V/kSPood5mBo/neqbjPlnCC33THFKhwK0/pL6BdpTv45VI8k1bN/5ohPGmTEfCkl9ZwDU9BrT7lzDwqXkXjPlgI9dJjGxRPITmCuylSCmEotWlZSU+k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788146339; c=relaxed/simple; bh=tBeSh6dtvPTUDBW1/U5Wi1Sjq894lVeNhaga4nqsFnY=; h=Message-ID:Date:MIME-Version:Subject:To:CC:References:From: In-Reply-To:Content-Type; b=QQmnQ6Peef+NyaEqhYmvFSFITnIuBVFnZBRw6m9Y6EuY/coYJ+CjJSrGn6+Uf0bQEmIyeZuVZxPu+/oKDdQTIlYucRkjW6JK8sKzD3Q3DpDSvh8kz0AbkLxoMOiSr2CajHQA66ShDvDLHIXrmyGkswMsj3pCRMH/xUGsqGz6Ecw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; dkim=pass (1024-bit key) header.d=huawei.com header.i=@huawei.com header.b=ftuH4LUV; arc=none smtp.client-ip=113.46.200.216 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=huawei.com header.i=@huawei.com header.b="ftuH4LUV" 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 Precedence: bulk X-Mailing-List: linux-mips@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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-ClientProxiedBy: kwepems200001.china.huawei.com (7.221.188.67) To dggpemf500011.china.huawei.com (7.185.36.131) 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