From patchwork Fri Jan 22 21:35:47 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Boris Ostrovsky X-Patchwork-Id: 8093501 Return-Path: X-Original-To: patchwork-xen-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id E1F02BEEED for ; Fri, 22 Jan 2016 21:39:12 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id F29A1205C4 for ; Fri, 22 Jan 2016 21:39:11 +0000 (UTC) Received: from lists.xen.org (lists.xenproject.org [50.57.142.19]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EF858205BE for ; Fri, 22 Jan 2016 21:39:10 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aMjNf-0004Gg-46; Fri, 22 Jan 2016 21:36:31 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aMjNd-0004EY-Cu for xen-devel@lists.xenproject.org; Fri, 22 Jan 2016 21:36:29 +0000 Received: from [85.158.143.35] by server-2.bemta-4.messagelabs.com id 20/5D-08977-CD0A2A65; Fri, 22 Jan 2016 21:36:28 +0000 X-Env-Sender: boris.ostrovsky@oracle.com X-Msg-Ref: server-16.tower-21.messagelabs.com!1453498586!7261834!1 X-Originating-IP: [156.151.31.81] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTU2LjE1MS4zMS44MSA9PiAyODgzMzk=\n X-StarScan-Received: X-StarScan-Version: 7.35.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12541 invoked from network); 22 Jan 2016 21:36:28 -0000 Received: from userp1040.oracle.com (HELO userp1040.oracle.com) (156.151.31.81) by server-16.tower-21.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 22 Jan 2016 21:36:28 -0000 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u0MLaNjq013095 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Fri, 22 Jan 2016 21:36:24 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id u0MLaNSs006649 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Fri, 22 Jan 2016 21:36:23 GMT Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u0MLaLi1017900; Fri, 22 Jan 2016 21:36:22 GMT Received: from ovs104.us.oracle.com (/10.149.76.204) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 22 Jan 2016 13:36:21 -0800 From: Boris Ostrovsky To: david.vrabel@citrix.com, konrad.wilk@oracle.com Date: Fri, 22 Jan 2016 16:35:47 -0500 Message-Id: <1453498558-6028-2-git-send-email-boris.ostrovsky@oracle.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1453498558-6028-1-git-send-email-boris.ostrovsky@oracle.com> References: <1453498558-6028-1-git-send-email-boris.ostrovsky@oracle.com> X-Source-IP: aserv0022.oracle.com [141.146.126.234] Cc: Boris Ostrovsky , xen-devel@lists.xenproject.org, mcgrof@suse.com, linux-kernel@vger.kernel.org, roger.pau@citrix.com Subject: [Xen-devel] [PATCH v1 01/12] x86/smp: Make start_secondary() and initial_pg_pmd visible globally X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Xen's HVMlite guests will want to use them. Signed-off-by: Boris Ostrovsky --- arch/x86/include/asm/smp.h | 1 + arch/x86/kernel/head_32.S | 2 +- arch/x86/kernel/smpboot.c | 2 +- 3 files changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h index dfcf072..739abb0 100644 --- a/arch/x86/include/asm/smp.h +++ b/arch/x86/include/asm/smp.h @@ -147,6 +147,7 @@ void x86_idle_thread_init(unsigned int cpu, struct task_struct *idle); void smp_store_boot_cpu_info(void); void smp_store_cpu_info(int id); +void start_secondary(void *unused); #define cpu_physical_id(cpu) per_cpu(x86_cpu_to_apicid, cpu) #else /* !CONFIG_SMP */ diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index 6bc9ae2..eeb5c42 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -666,7 +666,7 @@ ENTRY(setup_once_ref) __PAGE_ALIGNED_BSS .align PAGE_SIZE #ifdef CONFIG_X86_PAE -initial_pg_pmd: +ENTRY(initial_pg_pmd) .fill 1024*KPMDS,4,0 #else ENTRY(initial_page_table) diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 24d57f7..cba00bc 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -199,7 +199,7 @@ static int enable_start_cpu0; /* * Activate a secondary processor. */ -static void notrace start_secondary(void *unused) +void notrace start_secondary(void *unused) { /* * Don't put *anything* before cpu_init(), SMP booting is too