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 X-Spam-Level: X-Spam-Status: No, score=-8.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 73976C4727F for ; Thu, 1 Oct 2020 13:53:38 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E972A207F7 for ; Thu, 1 Oct 2020 13:53:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="NyUFB964" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E972A207F7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=/c/HmnnhKeX7FxxkbphDCzWO31gaRTvShmk4g0May3Y=; b=NyUFB964+KtetgDlwdmVNs8xJ NohqozCQazdqrve0Iy2YBVhxUssOuexOeeo5v+i8Ljaf5jjnMaTgkDrQoDgxbBB2KflsiwIk6F0PV x/AfbvmXl3/KmGLG6lgivbZfUcK4iTZCydZY53h31UE4nD+XEFutjcxmSTvABx2iTtTaVh0q2F48N mceF5zBkL5gEscBALoCMUNJMVJw1ls8QGZVwHmuHIbhvUlGU3pNffUskpew78eAPwss3eb2onKYPj bIJ6F/JmZ9y7X4+WgyN/P3U0yrRxrwCWvqZJ9uy0xCiQFfHFJhPJYsy7M7FjRrnRIsKoYgc8Bdlwc K/Y/ZTvUA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kNyzx-0004WD-6m; Thu, 01 Oct 2020 13:51:53 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kNyzu-0004VA-Av for linux-arm-kernel@lists.infradead.org; Thu, 01 Oct 2020 13:51:51 +0000 Received: from gaia (unknown [31.124.44.166]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 09F542087D; Thu, 1 Oct 2020 13:51:46 +0000 (UTC) Date: Thu, 1 Oct 2020 14:51:44 +0100 From: Catalin Marinas To: Anshuman Khandual Subject: Re: [PATCH V4 1/3] arm64/mm/hotplug: Register boot memory hot remove notifier earlier Message-ID: <20201001135144.GF21544@gaia> References: <1601387687-6077-1-git-send-email-anshuman.khandual@arm.com> <1601387687-6077-2-git-send-email-anshuman.khandual@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1601387687-6077-2-git-send-email-anshuman.khandual@arm.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201001_095150_449590_F5CFEC1E X-CRM114-Status: GOOD ( 13.24 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , gshan@redhat.com, Steve Capper , Marc Zyngier , linux-kernel@vger.kernel.org, Mark Brown , will@kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Sep 29, 2020 at 07:24:45PM +0530, Anshuman Khandual wrote: > This moves memory notifier registration earlier in the boot process from > device_initcall() to early_initcall() which will help in guarding against > potential early boot memory offline requests. Even though there should not > be any actual offlinig requests till memory block devices are initialized > with memory_dev_init() but then generic init sequence might just change in > future. Hence an early registration for the memory event notifier would be > helpful. While here, just skip the registration if CONFIG_MEMORY_HOTREMOVE > is not enabled and also call out when memory notifier registration fails. > > Cc: Catalin Marinas > Cc: Will Deacon > Cc: Mark Rutland > Cc: Marc Zyngier > Cc: Steve Capper > Cc: Mark Brown > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-kernel@vger.kernel.org > Reviewed-by: Gavin Shan > Signed-off-by: Anshuman Khandual Reviewed-by: Catalin Marinas _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel