From: jamal <hadi-fAAogVwAN2Kw5LPnMra/2Q@public.gmane.org>
To: Pavel Emelyanov <xemul-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
Cc: Sukadev Bhattiprolu
<sukadev-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>,
Pavel Emelyanov <xemul-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>,
Jonathan Corbet <corbet-T1hC0tSOHrs@public.gmane.org>,
Ulrich Drepper <drepper-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Jan Engelhardt <jengelh-nopoi9nDyk+ELgA04lAiVw@public.gmane.org>,
linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Al Viro <viro-3bDd1+5oDREiFSDQTTA3OLVCufUGDwFn@public.gmane.org>,
netfilter-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
"Eric W. Biederman"
<ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>,
Linux Containers
<containers-qjLDD68F18O7TbgM5vRIOg@public.gmane.org>,
Ben Greear <greearb-my8/4N5VtI7c+919tysfdA@public.gmane.org>,
Linus Torvalds
<torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
David Miller <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>,
Michael Kerrisk
<mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH 8/8] net: Implement socketat.
Date: Thu, 23 Sep 2010 07:40:55 -0400 [thread overview]
Message-ID: <1285242055.5036.9.camel@bigi> (raw)
In-Reply-To: <4C9B3B06.900-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
On Thu, 2010-09-23 at 15:33 +0400, Pavel Emelyanov wrote:
> This particular usecase is unneeded once you have the "enter" ability.
Is that cheaper from a syscall count/cost?
i.e do I have to enter every time i want to write/read this fd?
How does poll/select work in that enter scenario?
cheers,
jamal
WARNING: multiple messages have this Message-ID (diff)
From: jamal <hadi@cyberus.ca>
To: Pavel Emelyanov <xemul@parallels.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
linux-kernel@vger.kernel.org,
Linux Containers <containers@lists.osdl.org>,
netdev@vger.kernel.org, netfilter-devel@vger.kernel.org,
linux-fsdevel@vger.kernel.org,
Daniel Lezcano <daniel.lezcano@free.fr>,
Linus Torvalds <torvalds@linux-foundation.org>,
Michael Kerrisk <mtk.manpages@gmail.com>,
Ulrich Drepper <drepper@gmail.com>,
Al Viro <viro@ZenIV.linux.org.uk>,
David Miller <davem@davemloft.net>,
"Serge E. Hallyn" <serge@hallyn.com>,
Pavel Emelyanov <xemul@openvz.org>,
Ben Greear <greearb@candelatech.com>,
Matt Helsley <matthltc@us.ibm.com>,
Jonathan Corbet <corbet@lwn.net>,
Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>,
Jan Engelhardt <jengelh@medozas.de>,
Patrick McHardy <kaber@trash.net>
Subject: Re: [PATCH 8/8] net: Implement socketat.
Date: Thu, 23 Sep 2010 07:40:55 -0400 [thread overview]
Message-ID: <1285242055.5036.9.camel@bigi> (raw)
In-Reply-To: <4C9B3B06.900@parallels.com>
On Thu, 2010-09-23 at 15:33 +0400, Pavel Emelyanov wrote:
> This particular usecase is unneeded once you have the "enter" ability.
Is that cheaper from a syscall count/cost?
i.e do I have to enter every time i want to write/read this fd?
How does poll/select work in that enter scenario?
cheers,
jamal
next prev parent reply other threads:[~2010-09-23 11:40 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-23 8:45 [ABI REVIEW][PATCH 0/8] Namespace file descriptors Eric W. Biederman
2010-09-23 8:45 ` Eric W. Biederman
2010-09-23 8:46 ` [PATCH 1/8] ns: proc files for namespace naming policy Eric W. Biederman
2010-09-23 8:46 ` Eric W. Biederman
2010-09-23 8:46 ` [PATCH 2/8] ns: Introduce the setns syscall Eric W. Biederman
2010-09-23 8:46 ` Eric W. Biederman
2010-09-23 8:47 ` [PATCH 3/8] ns proc: Add support for the network namespace Eric W. Biederman
2010-09-23 8:47 ` Eric W. Biederman
2010-09-23 11:27 ` Louis Rilling
2010-09-23 16:00 ` Eric W. Biederman
2010-09-23 8:48 ` [PATCH 4/8] ns proc: Add support for the uts namespace Eric W. Biederman
2010-09-23 8:48 ` Eric W. Biederman
2010-09-23 8:49 ` [PATCH 5/8] ns proc: Add support for the ipc namespace Eric W. Biederman
2010-09-23 8:49 ` Eric W. Biederman
2010-09-23 8:50 ` [PATCH 6/8] ns proc: Add support for the mount namespace Eric W. Biederman
2010-09-23 8:50 ` Eric W. Biederman
[not found] ` <m1ocborgq7.fsf-+imSwln9KH6u2/kzUuoCbdi2O/JbrIOy@public.gmane.org>
2010-09-23 8:51 ` [PATCH 7/8] net: Allow setting the network namespace by fd Eric W. Biederman
2010-09-23 8:51 ` Eric W. Biederman
2010-09-23 8:51 ` Eric W. Biederman
2010-09-23 9:41 ` Eric Dumazet
2010-09-23 9:41 ` Eric Dumazet
2010-09-23 16:03 ` Eric W. Biederman
2010-09-23 16:03 ` Eric W. Biederman
2010-09-23 11:22 ` jamal
2010-09-23 14:58 ` David Lamparter
2010-09-24 11:51 ` jamal
2010-09-24 12:57 ` David Lamparter
2010-09-24 13:32 ` jamal
2010-09-24 14:09 ` David Lamparter
2010-09-24 14:16 ` jamal
2010-09-23 15:14 ` Eric W. Biederman
2010-09-23 14:22 ` Brian Haley
2010-09-23 16:16 ` Eric W. Biederman
[not found] ` <m1hbhgq1v1.fsf-+imSwln9KH6u2/kzUuoCbdi2O/JbrIOy@public.gmane.org>
2010-09-24 13:46 ` Daniel Lezcano
2010-09-24 13:46 ` Daniel Lezcano
2010-09-23 8:51 ` [PATCH 8/8] net: Implement socketat Eric W. Biederman
2010-09-23 8:51 ` Eric W. Biederman
2010-09-23 8:51 ` Eric W. Biederman
2010-09-23 8:56 ` Pavel Emelyanov
2010-09-23 11:19 ` jamal
2010-09-23 11:33 ` Pavel Emelyanov
[not found] ` <4C9B3B06.900-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2010-09-23 11:40 ` jamal [this message]
2010-09-23 11:40 ` jamal
2010-09-23 11:53 ` Pavel Emelyanov
2010-09-23 12:11 ` jamal
2010-09-23 12:34 ` Pavel Emelyanov
2010-09-23 12:34 ` Pavel Emelyanov
2010-09-23 14:54 ` David Lamparter
2010-09-23 15:00 ` Eric W. Biederman
2010-10-02 21:13 ` Daniel Lezcano
2010-10-03 13:44 ` jamal
2010-10-04 10:13 ` Daniel Lezcano
2010-10-04 19:07 ` Eric W. Biederman
2010-10-15 12:30 ` netns patches WAS( " jamal
2010-10-26 20:52 ` jamal
2010-10-27 0:27 ` Eric W. Biederman
2010-09-23 15:18 ` [ABI REVIEW][PATCH 0/8] Namespace file descriptors David Lamparter
2010-09-23 16:32 ` Eric W. Biederman
2010-09-23 16:49 ` David Lamparter
2010-09-24 13:02 ` Andrew Lutomirski
2010-09-24 13:49 ` Daniel Lezcano
2010-09-24 17:06 ` Eric W. Biederman
2010-09-29 3:09 ` Rémi Denis-Courmont
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