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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

  parent reply	other threads:[~2010-09-23 11:40 UTC|newest]

Thread overview: 46+ 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  8:46 ` [PATCH 1/8] ns: proc files for namespace naming policy Eric W. Biederman
2010-09-23  8:46 ` [PATCH 2/8] ns: Introduce the setns syscall 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 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  8:49 ` [PATCH 5/8] ns proc: Add support for the ipc namespace Eric W. Biederman
2010-09-23  8:50 ` [PATCH 6/8] ns proc: Add support for the mount namespace 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  9:41     ` Eric Dumazet
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
2010-09-23  8:51   ` [PATCH 8/8] net: Implement socketat 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 11:53               ` Pavel Emelyanov
2010-09-23 12:11                 ` jamal
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

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