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=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 BAD09C10F00 for ; Tue, 12 Mar 2019 17:25:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 83F61206DF for ; Tue, 12 Mar 2019 17:25:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1552411505; bh=hxP+Au2Fell+v4Jx3vLUmYcozw5omUh4kKlIuM7QsDk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=RLfwyKfBZMWJPe1TGvhuDU7DzHYq+MfWTPfehGacCzDix4EZcUH27BTRmYY1B27eL hOxY7s4XkoqlfzceYfYNkCYqvz3JdJ3Sc8nHy3FovQkMUzEdfKpDj8FWGYze2FAgCD e9bu9YsylQr55sFeTFaW2IQztV4sKFSXe80Yt76Y= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729883AbfCLRZC (ORCPT ); Tue, 12 Mar 2019 13:25:02 -0400 Received: from mail.kernel.org ([198.145.29.99]:34482 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729789AbfCLRRw (ORCPT ); Tue, 12 Mar 2019 13:17:52 -0400 Received: from localhost (unknown [104.133.8.98]) (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 E9A122087C; Tue, 12 Mar 2019 17:17:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1552411072; bh=hxP+Au2Fell+v4Jx3vLUmYcozw5omUh4kKlIuM7QsDk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZTLeS8oTQ66gvffGffGpDi8beBPufWSmOmV05qj89wWrfWbMWPEMte0q3SXylM8iv LFjbiV5V5drIPveYH2+h0RSTObpqZLCfTbXuKk1q5wbT7eEBZIY9UB0rC9bsNRJQ9S EM8e1kwHFCVOXCJoe2UXEOk8ysoNahe8exP8KyT0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Max Filippov , Sasha Levin Subject: [PATCH 4.9 45/96] xtensa: SMP: mark each possible CPU as present Date: Tue, 12 Mar 2019 10:10:03 -0700 Message-Id: <20190312171037.971255538@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190312171034.530434962@linuxfoundation.org> References: <20190312171034.530434962@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ [ Upstream commit 8b1c42cdd7181200dc1fff39dcb6ac1a3fac2c25 ] Otherwise it is impossible to enable CPUs after booting with 'maxcpus' parameter. Signed-off-by: Max Filippov Signed-off-by: Sasha Levin --- arch/xtensa/kernel/smp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/xtensa/kernel/smp.c b/arch/xtensa/kernel/smp.c index fd0f0b50e021..8329891071aa 100644 --- a/arch/xtensa/kernel/smp.c +++ b/arch/xtensa/kernel/smp.c @@ -80,7 +80,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) { unsigned i; - for (i = 0; i < max_cpus; ++i) + for_each_possible_cpu(i) set_cpu_present(i, true); } -- 2.19.1