From: ebiederm@xmission.com (Eric W. Biederman)
To: Kirill Korotaev <dev@sw.ru>
Cc: Cedric Le Goater <clg@fr.ibm.com>,
linux-kernel@vger.kernel.org, Andrew Morton <akpm@osdl.org>,
Kirill Korotaev <dev@openvz.org>, Andrey Savochkin <saw@sw.ru>,
Herbert Poetzl <herbert@13thfloor.at>,
Sam Vilain <sam.vilain@catalyst.net.nz>,
"Serge E. Hallyn" <serue@us.ibm.com>,
Dave Hansen <haveblue@us.ibm.com>
Subject: Re: [PATCH -mm 5/7] add user namespace
Date: Tue, 11 Jul 2006 21:33:14 -0600 [thread overview]
Message-ID: <m1k66jebut.fsf@ebiederm.dsl.xmission.com> (raw)
In-Reply-To: <44B3D435.8090706@sw.ru> (Kirill Korotaev's message of "Tue, 11 Jul 2006 20:39:17 +0400")
Kirill Korotaev <dev@sw.ru> writes:
> Another example of not so evident coupling here:
> user structure maintains number of processes/opened files/sigpending/locked_shm
> etc.
> if a single user can belong to different proccess/ipc/... namespaces
> all these becomes unusable.
Why do the count of the number of objects a user has become
unusable if they can count objects in multiple namespaces?
Namespaces are about how names are looked up and how names are
created. Namespaces are not about the objects those names refer to.
Eric
next prev parent reply other threads:[~2006-07-12 3:34 UTC|newest]
Thread overview: 107+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-11 7:50 [PATCH -mm 0/7] execns syscall and " Cedric Le Goater
2006-07-11 7:50 ` [PATCH -mm 1/7] add execns syscall core routine Cedric Le Goater
2006-07-11 7:50 ` [PATCH -mm 2/7] add execns syscall to s390 Cedric Le Goater
2006-07-11 13:44 ` Martin Schwidefsky
2006-07-11 13:44 ` Martin Schwidefsky
2006-07-11 14:44 ` Cedric Le Goater
2006-07-11 14:54 ` Martin Schwidefsky
2006-07-11 15:43 ` Cedric Le Goater
2006-07-11 7:50 ` [PATCH -mm 3/7] add execns syscall to x86_64 Cedric Le Goater
2006-07-11 7:50 ` [PATCH -mm 4/7] add execns syscall to i386 Cedric Le Goater
2006-07-11 7:50 ` [PATCH -mm 5/7] add user namespace Cedric Le Goater
2006-07-11 16:39 ` Kirill Korotaev
2006-07-11 17:38 ` Cedric Le Goater
2006-07-12 11:21 ` Kirill Korotaev
2006-07-13 16:01 ` Cedric Le Goater
2006-07-12 3:33 ` Eric W. Biederman [this message]
2006-07-12 11:13 ` Kirill Korotaev
2006-07-12 18:10 ` Eric W. Biederman
2006-07-13 17:00 ` Cedric Le Goater
2006-07-13 18:07 ` Eric W. Biederman
2006-07-13 18:21 ` Eric W. Biederman
2006-07-13 18:31 ` Dave Hansen
2006-07-13 18:54 ` Eric W. Biederman
2006-07-12 3:46 ` Eric W. Biederman
2006-07-12 12:05 ` Herbert Poetzl
2006-07-12 17:09 ` Eric W. Biederman
2006-07-12 14:00 ` Cedric Le Goater
2006-07-12 17:24 ` Eric W. Biederman
2006-07-13 17:36 ` Cedric Le Goater
2006-07-13 17:47 ` Serge E. Hallyn
2006-07-13 18:14 ` Eric W. Biederman
2006-07-13 18:29 ` Dave Hansen
2006-07-13 19:02 ` Eric W. Biederman
2006-07-13 20:03 ` Dave Hansen
2006-07-14 3:45 ` Eric W. Biederman
2006-07-14 14:28 ` Dave Hansen
2006-07-14 15:13 ` Eric W. Biederman
2006-07-14 16:29 ` Serge E. Hallyn
2006-07-14 16:49 ` Eric W. Biederman
2006-07-14 16:55 ` Dave Hansen
2006-07-14 17:08 ` Serge E. Hallyn
2006-07-14 17:19 ` Dave Hansen
2006-07-14 17:36 ` Eric W. Biederman
2006-07-14 18:15 ` Trond Myklebust
2006-07-14 18:40 ` Eric W. Biederman
2006-07-14 21:04 ` Trond Myklebust
2006-07-15 4:09 ` Eric W. Biederman
2006-07-15 4:35 ` Kyle Moffett
2006-07-15 12:35 ` Eric W. Biederman
2006-07-15 13:25 ` Kyle Moffett
2006-07-15 15:54 ` Dave Hansen
2006-07-15 17:01 ` Trond Myklebust
2006-07-15 23:29 ` Eric W. Biederman
2006-07-16 16:18 ` Dave Hansen
2006-07-14 17:14 ` Eric W. Biederman
2006-07-16 8:36 ` Kirill Korotaev
2006-07-16 10:08 ` Eric W. Biederman
2006-07-14 17:05 ` Serge E. Hallyn
2006-07-14 17:50 ` Kyle Moffett
2006-07-15 11:33 ` Serge E. Hallyn
2006-07-14 17:56 ` Eric W. Biederman
2006-07-14 16:35 ` Dave Hansen
2006-07-13 21:41 ` Serge E. Hallyn
2006-07-14 3:52 ` Eric W. Biederman
2006-07-14 14:02 ` Serge E. Hallyn
2006-07-14 14:50 ` Eric W. Biederman
2006-07-14 16:39 ` Serge E. Hallyn
2006-07-14 17:18 ` Eric W. Biederman
2006-07-14 17:24 ` Dave Hansen
2006-07-14 18:06 ` Eric W. Biederman
2006-07-14 18:42 ` Dave Hansen
2006-07-14 19:07 ` Eric W. Biederman
2006-07-13 17:59 ` Eric W. Biederman
2006-07-13 21:22 ` Serge E. Hallyn
2006-07-14 3:50 ` Eric W. Biederman
2006-07-14 14:17 ` Serge E. Hallyn
2006-07-14 15:05 ` Eric W. Biederman
2006-07-14 16:46 ` Serge E. Hallyn
2006-07-14 16:58 ` Eric W. Biederman
2006-07-14 15:43 ` Kyle Moffett
2006-07-14 16:13 ` Eric W. Biederman
2006-07-11 7:50 ` [PATCH -mm 6/7] add the user namespace to the execns syscall Cedric Le Goater
2006-07-11 7:50 ` [PATCH -mm 7/7] forbid the use of the unshare syscall on ipc namespaces Cedric Le Goater
2006-07-11 14:10 ` Kirill Korotaev
2006-07-11 15:06 ` Cedric Le Goater
2006-07-11 8:02 ` [PATCH -mm 0/7] execns syscall and user namespace Arjan van de Ven
2006-07-11 8:42 ` Cedric Le Goater
2006-07-11 18:12 ` H. Peter Anvin
2006-07-11 18:26 ` Cedric Le Goater
2006-07-11 18:28 ` H. Peter Anvin
2006-07-11 19:50 ` Ulrich Drepper
2006-07-11 21:50 ` Cedric Le Goater
2006-07-11 21:57 ` H. Peter Anvin
2006-07-12 0:16 ` Ulrich Drepper
2006-07-12 0:25 ` H. Peter Anvin
2006-07-12 0:28 ` H. Peter Anvin
2006-07-11 20:22 ` Eric W. Biederman
2006-07-11 21:28 ` Cedric Le Goater
2006-07-12 3:24 ` Eric W. Biederman
2006-07-12 13:05 ` Cedric Le Goater
2006-07-12 16:56 ` Eric W. Biederman
2006-07-13 16:13 ` Cedric Le Goater
2006-07-12 11:11 ` Kirill Korotaev
2006-07-12 13:10 ` Cedric Le Goater
2006-07-15 17:39 [PATCH -mm 5/7] add " Al Boldi
2006-07-16 12:19 ` Kyle Moffett
2006-07-17 11:25 ` Al Boldi
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