From patchwork Tue Jan 5 14:12:43 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gleb Natapov X-Patchwork-Id: 71034 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.2) with ESMTP id o05EHlcH012069 for ; Tue, 5 Jan 2010 14:17:56 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754487Ab0AEOQe (ORCPT ); Tue, 5 Jan 2010 09:16:34 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754571Ab0AEONf (ORCPT ); Tue, 5 Jan 2010 09:13:35 -0500 Received: from mx1.redhat.com ([209.132.183.28]:45127 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754556Ab0AEONb (ORCPT ); Tue, 5 Jan 2010 09:13:31 -0500 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o05ECunP005985 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 5 Jan 2010 09:12:57 -0500 Received: from dhcp-1-237.tlv.redhat.com (dhcp-1-237.tlv.redhat.com [10.35.1.237]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o05ECtk9025806; Tue, 5 Jan 2010 09:12:56 -0500 Received: by dhcp-1-237.tlv.redhat.com (Postfix, from userid 13519) id E10FB18D451; Tue, 5 Jan 2010 16:12:54 +0200 (IST) From: Gleb Natapov To: kvm@vger.kernel.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, avi@redhat.com, mingo@elte.hu, a.p.zijlstra@chello.nl, tglx@linutronix.de, hpa@zytor.com, riel@redhat.com, cl@linux-foundation.org Subject: [PATCH v3 01/12] Move kvm_smp_prepare_boot_cpu() from kvmclock.c to kvm.c. Date: Tue, 5 Jan 2010 16:12:43 +0200 Message-Id: <1262700774-1808-2-git-send-email-gleb@redhat.com> In-Reply-To: <1262700774-1808-1-git-send-email-gleb@redhat.com> References: <1262700774-1808-1-git-send-email-gleb@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org diff --git a/arch/x86/include/asm/kvm_para.h b/arch/x86/include/asm/kvm_para.h index c584076..5f580f2 100644 --- a/arch/x86/include/asm/kvm_para.h +++ b/arch/x86/include/asm/kvm_para.h @@ -51,6 +51,7 @@ struct kvm_mmu_op_release_pt { #include extern void kvmclock_init(void); +extern int kvm_register_clock(char *txt); /* This instruction is vmcall. On non-VT architectures, it will generate a diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c index 63b0ec8..e6db179 100644 --- a/arch/x86/kernel/kvm.c +++ b/arch/x86/kernel/kvm.c @@ -231,10 +231,21 @@ static void __init paravirt_ops_setup(void) #endif } +#ifdef CONFIG_SMP +static void __init kvm_smp_prepare_boot_cpu(void) +{ + WARN_ON(kvm_register_clock("primary cpu clock")); + native_smp_prepare_boot_cpu(); +} +#endif + void __init kvm_guest_init(void) { if (!kvm_para_available()) return; paravirt_ops_setup(); +#ifdef CONFIG_SMP + smp_ops.smp_prepare_boot_cpu = kvm_smp_prepare_boot_cpu; +#endif } diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c index feaeb0d..6ab9622 100644 --- a/arch/x86/kernel/kvmclock.c +++ b/arch/x86/kernel/kvmclock.c @@ -122,7 +122,7 @@ static struct clocksource kvm_clock = { .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; -static int kvm_register_clock(char *txt) +int kvm_register_clock(char *txt) { int cpu = smp_processor_id(); int low, high; @@ -146,14 +146,6 @@ static void __cpuinit kvm_setup_secondary_clock(void) } #endif -#ifdef CONFIG_SMP -static void __init kvm_smp_prepare_boot_cpu(void) -{ - WARN_ON(kvm_register_clock("primary cpu clock")); - native_smp_prepare_boot_cpu(); -} -#endif - /* * After the clock is registered, the host will keep writing to the * registered memory location. If the guest happens to shutdown, this memory @@ -192,9 +184,6 @@ void __init kvmclock_init(void) x86_cpuinit.setup_percpu_clockev = kvm_setup_secondary_clock; #endif -#ifdef CONFIG_SMP - smp_ops.smp_prepare_boot_cpu = kvm_smp_prepare_boot_cpu; -#endif machine_ops.shutdown = kvm_shutdown; #ifdef CONFIG_KEXEC machine_ops.crash_shutdown = kvm_crash_shutdown;