From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 478C5C43441 for ; Thu, 15 Nov 2018 22:33:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0DF9A2084C for ; Thu, 15 Nov 2018 22:33:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0DF9A2084C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726822AbeKPInd (ORCPT ); Fri, 16 Nov 2018 03:43:33 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:42912 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725888AbeKPInd (ORCPT ); Fri, 16 Nov 2018 03:43:33 -0500 Received: from akpm3.svl.corp.google.com (unknown [104.133.8.65]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id 36F0C49F; Thu, 15 Nov 2018 22:33:50 +0000 (UTC) Date: Thu, 15 Nov 2018 14:33:49 -0800 From: Andrew Morton To: =?UTF-8?B?Y2hvdXJ5emhvdQ==?= (=?UTF-8?B?5ZGo5aiB?=) Cc: "tkjos@google.com" , "gregkh@linuxfoundation.org" , "arve@android.com" , "tkjos@android.com" , "dave@stgolabs.net" , "devel@driverdev.osuosl.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH V4] binder: ipc namespace support for android binder Message-Id: <20181115143349.44e1942213b61a4818bcbf02@linux-foundation.org> In-Reply-To: <5FBCBE569E134E4CA167B91C0A77FD610198F8FA41@EXMBX-SZMAIL022.tencent.com> References: <5FBCBE569E134E4CA167B91C0A77FD610198F8FA41@EXMBX-SZMAIL022.tencent.com> X-Mailer: Sylpheed 3.6.0 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 12 Nov 2018 09:37:51 +0000 chouryzhou(周威) wrote: > Currently android's binder is not isolated by ipc namespace. Since binder > is a form of IPC and therefore should be tied to ipc namespace. With this > patch, we can run multiple instances of android container on one host. > > This patch move "binder_procs" and "binder_context" into ipc_namespace, > driver will find the context from it when opening. For debugfs, binder_proc > is namespace-aware, but not for binder dead nodes, binder_stats and > binder_transaction_log_entry (we added ipc inum to trace it). > > ... > > drivers/android/binder.c | 133 ++++++++++++++++++++++++++++++++---------- > include/linux/ipc_namespace.h | 15 +++++ > ipc/namespace.c | 10 +++- > 3 files changed, 125 insertions(+), 33 deletions(-) Well, it's mainly an android patch so I suggest this be taken via the android tree. Acked-by: Andrew Morton