Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761304AbXIZPtv (ORCPT ); Wed, 26 Sep 2007 11:49:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755041AbXIZPto (ORCPT ); Wed, 26 Sep 2007 11:49:44 -0400 Received: from sacred.ru ([62.205.161.221]:46403 "EHLO sacred.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755299AbXIZPtn (ORCPT ); Wed, 26 Sep 2007 11:49:43 -0400 Message-ID: <46FA7EC8.3020800@openvz.org> Date: Wed, 26 Sep 2007 19:46:16 +0400 From: Pavel Emelyanov User-Agent: Thunderbird 2.0.0.6 (X11/20070728) MIME-Version: 1.0 To: Andrew Morton CC: Serge Hallyn , Cedric Le Goater , "Eric W. Biederman" , Linux Containers , Linux Kernel Mailing List Subject: [PATCH 2/5] Move the UST namespace under the option References: <46FA7D4D.8040808@openvz.org> In-Reply-To: <46FA7D4D.8040808@openvz.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-3.0 (sacred.ru [62.205.161.221]); Wed, 26 Sep 2007 19:48:38 +0400 (MSD) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2448 Lines: 85 Currently all the namespace management code is in the kernel/utsname.c file, so just compile it out and make stub in .h file. The init namespace itself is in init/version.c and is left in the kernel. Signed-off-by: Pavel Emelyanov --- diff --git a/include/linux/utsname.h b/include/linux/utsname.h index 923db99..52b9116 100644 --- a/include/linux/utsname.h +++ b/include/linux/utsname.h @@ -35,6 +35,7 @@ struct new_utsname { #include #include #include +#include #include struct uts_namespace { @@ -43,6 +44,7 @@ struct uts_namespace { }; extern struct uts_namespace init_uts_ns; +#ifdef CONFIG_NAMESPACES static inline void get_uts_ns(struct uts_namespace *ns) { kref_get(&ns->kref); @@ -56,6 +58,25 @@ static inline void put_uts_ns(struct uts { kref_put(&ns->kref, free_uts_ns); } +#else +static inline void get_uts_ns(struct uts_namespace *ns) +{ +} + +static inline void put_uts_ns(struct uts_namespace *ns) +{ +} + +static inline struct uts_namespace *copy_utsname(unsigned long flags, + struct uts_namespace *ns) +{ + if (flags & CLONE_NEWUTS) + return ERR_PTR(-EINVAL); + + return ns; +} +#endif + static inline struct new_utsname *utsname(void) { return ¤t->nsproxy->uts_ns->name; diff --git a/kernel/Makefile b/kernel/Makefile index 76f782f..5817bfe 100644 --- a/kernel/Makefile +++ b/kernel/Makefile @@ -4,8 +4,7 @@ signal.o sys.o kmod.o workqueue.o pid.o \ rcupdate.o extable.o params.o posix-timers.o \ kthread.o wait.o kfifo.o sys_ni.o posix-cpu-timers.o mutex.o \ - hrtimer.o rwsem.o latency.o nsproxy.o srcu.o \ - utsname.o notifier.o sysctl.o + hrtimer.o rwsem.o latency.o nsproxy.o srcu.o notifier.o sysctl.o obj-$(CONFIG_SYSCTL) += sysctl_check.o obj-$(CONFIG_STACKTRACE) += stacktrace.o @@ -50,6 +49,7 @@ obj-$(CONFIG_AUDITSYSCALL) += auditsc.o obj-$(CONFIG_AUDIT_TREE) += audit_tree.o obj-$(CONFIG_KPROBES) += kprobes.o obj-$(CONFIG_KGDB) += kgdb.o +obj-$(CONFIG_NAMESPACES) += utsname.o obj-$(CONFIG_SYSFS) += ksysfs.o obj-$(CONFIG_DETECT_SOFTLOCKUP) += softlockup.o obj-$(CONFIG_GENERIC_HARDIRQS) += irq/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/