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 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 75EB1C433EF for ; Wed, 8 Dec 2021 13:06:54 +0000 (UTC) Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-513-vI2YC8ypNjaaIs8DofTfPw-1; Wed, 08 Dec 2021 08:06:51 -0500 X-MC-Unique: vI2YC8ypNjaaIs8DofTfPw-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 9229D802DF1; Wed, 8 Dec 2021 13:06:46 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 727FC1F2FF; Wed, 8 Dec 2021 13:06:46 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 4F1064A70F; Wed, 8 Dec 2021 13:06:46 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 1B89bd8o008806 for ; Wed, 8 Dec 2021 04:37:40 -0500 Received: by smtp.corp.redhat.com (Postfix) id D2881401E22; Wed, 8 Dec 2021 09:37:39 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast09.extmail.prod.ext.rdu2.redhat.com [10.11.55.25]) by smtp.corp.redhat.com (Postfix) with ESMTPS id CEABB401E20 for ; Wed, 8 Dec 2021 09:37:39 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [205.139.110.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id B4DDE2B7602E for ; Wed, 8 Dec 2021 09:37:39 +0000 (UTC) Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-122-CBrLZCiPNoiSGJ9wYykUQA-1; Wed, 08 Dec 2021 04:37:36 -0500 X-MC-Unique: CBrLZCiPNoiSGJ9wYykUQA-1 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id 815E8CE2073; Wed, 8 Dec 2021 09:28:40 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D9BCAC00446; Wed, 8 Dec 2021 09:28:37 +0000 (UTC) Date: Wed, 8 Dec 2021 11:28:34 +0200 From: Leon Romanovsky To: Leo Yan Subject: Re: [PATCH v2 1/7] pid: Introduce helper task_is_in_init_pid_ns() Message-ID: References: <20211208083320.472503-1-leo.yan@linaro.org> <20211208083320.472503-2-leo.yan@linaro.org> MIME-Version: 1.0 In-Reply-To: <20211208083320.472503-2-leo.yan@linaro.org> X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.85 on 10.11.54.10 X-loop: linux-audit@redhat.com X-Mailman-Approved-At: Wed, 08 Dec 2021 07:54:40 -0500 Cc: codalist@telemann.coda.cs.cmu.edu, Jan Harkes , Mathieu Poirier , Suzuki K Poulose , Alexander Shishkin , netdev@vger.kernel.org, Balbir Singh , linux-kernel@vger.kernel.org, Eric Paris , coda@cs.cmu.edu, linux-audit@redhat.com, coresight@lists.linaro.org, Jakub Kicinski , "David S. Miller" , linux-arm-kernel@lists.infradead.org, Mike Leach X-BeenThere: linux-audit@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Linux Audit Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-audit-bounces@redhat.com Errors-To: linux-audit-bounces@redhat.com X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=linux-audit-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On Wed, Dec 08, 2021 at 04:33:14PM +0800, Leo Yan wrote: > Currently the kernel uses open code in multiple places to check if a > task is in the root PID namespace with the kind of format: > > if (task_active_pid_ns(current) == &init_pid_ns) > do_something(); > > This patch creates a new helper function, task_is_in_init_pid_ns(), it > returns true if a passed task is in the root PID namespace, otherwise > returns false. So it will be used to replace open codes. > > Suggested-by: Suzuki K Poulose > Signed-off-by: Leo Yan > --- > include/linux/pid_namespace.h | 5 +++++ > 1 file changed, 5 insertions(+) > Thanks, Reviewed-by: Leon Romanovsky -- Linux-audit mailing list Linux-audit@redhat.com https://listman.redhat.com/mailman/listinfo/linux-audit