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 E94F1C43381 for ; Tue, 12 Mar 2019 18:10:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B0D362173C for ; Tue, 12 Mar 2019 18:10:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1552414230; bh=p3738Kx8O6z5iV89iKeffvDmCG+AAxnzFXWAYdsTb8c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=BTQE149Qfy6cVm577btku3sH/EFsb44mqrB7NiA8hpo1/h0yRjN3dngvSXjdEZRgJ vlDaA18a8Zsk6rHP75CKorIDlpx1+wtYyjCZOgXGxywbaE/BIANqIpNF5R+ktRawKQ FStsMMNlDZ3t6BduXZFFutn192KLmKVn3ezdQqtI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727191AbfCLRLy (ORCPT ); Tue, 12 Mar 2019 13:11:54 -0400 Received: from mail.kernel.org ([198.145.29.99]:46048 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727080AbfCLRLx (ORCPT ); Tue, 12 Mar 2019 13:11:53 -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 4A83D2173C; Tue, 12 Mar 2019 17:11:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1552410713; bh=p3738Kx8O6z5iV89iKeffvDmCG+AAxnzFXWAYdsTb8c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=wrgzKiJLyqEcmj9fr8+cgG8JCPypB6ZZ0mqsKf9qcfX0IcWxo3yMU7eM89TvTdz/k iRskqPvEbK1vFETUDDerC2KXnmi5KEsBthkCCeb1ktXFxzmFWeIqpQndPJVEW52byz 52BfpSy/s49LvhjRuXFJg1W+sccelzOHtQbjgFog= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Max Filippov , Sasha Levin Subject: [PATCH 4.20 027/171] xtensa: SMP: mark each possible CPU as present Date: Tue, 12 Mar 2019 10:06:47 -0700 Message-Id: <20190312170350.300339794@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190312170347.868927101@linuxfoundation.org> References: <20190312170347.868927101@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: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 4.20-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 c9fc2c4f71b3..80be6449c497 100644 --- a/arch/xtensa/kernel/smp.c +++ b/arch/xtensa/kernel/smp.c @@ -83,7 +83,7 @@ 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