From mboxrd@z Thu Jan 1 00:00:00 1970 From: jamal Subject: Re: [PATCH 8/8] net: Implement socketat. Date: Thu, 23 Sep 2010 07:40:55 -0400 Message-ID: <1285242055.5036.9.camel@bigi> References: <4C9B162E.7040201@parallels.com> <1285240797.5036.5.camel@bigi> <4C9B3B06.900@parallels.com> Reply-To: hadi-fAAogVwAN2Kw5LPnMra/2Q@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4C9B3B06.900-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Pavel Emelyanov Cc: Sukadev Bhattiprolu , Pavel Emelyanov , Jonathan Corbet , Ulrich Drepper , netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Jan Engelhardt , linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Al Viro , netfilter-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, "Eric W. Biederman" , Linux Containers , Ben Greear , Linus Torvalds , David Miller , Michael Kerrisk List-Id: containers.vger.kernel.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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754828Ab0IWLlH (ORCPT ); Thu, 23 Sep 2010 07:41:07 -0400 Received: from mail-qy0-f181.google.com ([209.85.216.181]:63476 "EHLO mail-qy0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754795Ab0IWLlD (ORCPT ); Thu, 23 Sep 2010 07:41:03 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:subject:from:reply-to:to:cc:in-reply-to:references :content-type:date:message-id:mime-version:x-mailer :content-transfer-encoding; b=iqMGQ7q3TSLtnYN0ltxCwfeJLoCdlbz9e0z2NZhXrqOPX/M6QuHXvVlNx67BPIcVqm qyF/af15l/NTuka3BLecZ20FNHqBAG9pkkY362PVYQPr69oHf3hM1UoMiAFgC3brG4W5 14Li9ALFXQDq4apMcPOqRhmLX8k8lYBWYlxmE= Subject: Re: [PATCH 8/8] net: Implement socketat. From: jamal Reply-To: hadi@cyberus.ca To: Pavel Emelyanov Cc: "Eric W. Biederman" , linux-kernel@vger.kernel.org, Linux Containers , netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Daniel Lezcano , Linus Torvalds , Michael Kerrisk , Ulrich Drepper , Al Viro , David Miller , "Serge E. Hallyn" , Pavel Emelyanov , Ben Greear , Matt Helsley , Jonathan Corbet , Sukadev Bhattiprolu , Jan Engelhardt , Patrick McHardy In-Reply-To: <4C9B3B06.900@parallels.com> References: <4C9B162E.7040201@parallels.com> <1285240797.5036.5.camel@bigi> <4C9B3B06.900@parallels.com> Content-Type: text/plain Date: Thu, 23 Sep 2010 07:40:55 -0400 Message-Id: <1285242055.5036.9.camel@bigi> Mime-Version: 1.0 X-Mailer: Evolution 2.26.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.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