From mboxrd@z Thu Jan 1 00:00:00 1970 X-GM-THRID: 6621956091070644224 X-Received: by 2002:a67:7611:: with SMTP id r17mr8020064vsc.42.1542466631890; Sat, 17 Nov 2018 06:57:11 -0800 (PST) X-BeenThere: isar-users@googlegroups.com Received: by 2002:a67:8442:: with SMTP id g63ls4393315vsd.5.gmail; Sat, 17 Nov 2018 06:57:11 -0800 (PST) X-Google-Smtp-Source: AJdET5eWitZ0sRgrOG88aRPKtBa3I8jN6gV3ZwJawNN5cpd7lXIPWDDVtNIE/cJVUUMSmeNNqz1o X-Received: by 2002:a67:55:: with SMTP id 82mr8232612vsa.17.1542466631565; Sat, 17 Nov 2018 06:57:11 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1542466631; cv=none; d=google.com; s=arc-20160816; b=Rf2uKDyA02I6B+WIiIKPsed6UUX+k9Covr5BG3RUXSsB2xWjqV7HR9XYUMESSugPQM lXXi4NwcLyQSJOhjuxKPrc/txakag35oNKwTUYUnJXo6Kg0tXHQcTmLmJOlDPhruv2c2 UiAAc8AKRxh8Ql6sLxZM6OYs8medKCW9RuZTWg4R7DH3vJni9LpfHTxScjXgKx0temGo UZkhnJ3YyIEe6Yge6Nej6FEZ3w+FF8Wo6ScU2wKLQNSPZkcujuTnGrF4AUo6esHjEfRZ zY5eoPbsoDmrho/z2o6egioXsudiaot9jnVd+8/JyAh0JS0Jx8nGFVxqI01ojvggRZqZ a65w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:references:in-reply-to:message-id:date:subject:cc:to :from; bh=KDRHmagaKzHAaIDUtcf2cWoodGu5FeZP8P04B0rkCag=; b=ya/VeCgKnPXzAhcT6pQoqspfy2CJhR1rb7DzxEZMq7SCVBwT5cOHK27RpyDnAL1Fzv uH0HzBXUuMitF+P2uw7LM8oJ52cUtyz8JQv5TOHpRxLIx6jHSfBsAGoelwPECjU1+ZzU 1tQ/HB/+YT2EuKJkb0DSXFwAU7kxJ3lPvZSoV9k+lBBepu0zzW9uepuTBOt3jj0Oic0b K9zckXtKBNhmvLQpncxv3Y2K6roQjU4EKEs3QAorwukxpPoM4NJq8NOnfVRwSpFLAckp z6KWshkosL/rpozFhshbi4TGO4ePRQAkeDX+bP3LMxQ2LuQ+9D0nmVDK585H78H7NDkF 988g== ARC-Authentication-Results: i=1; gmr-mx.google.com; spf=pass (google.com: domain of cedric_hombourger@mentor.com designates 192.94.38.131 as permitted sender) smtp.mailfrom=Cedric_Hombourger@mentor.com Return-Path: Received: from relay1.mentorg.com (relay1.mentorg.com. [192.94.38.131]) by gmr-mx.google.com with ESMTPS id x21si1497902vsf.1.2018.11.17.06.57.11 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 17 Nov 2018 06:57:11 -0800 (PST) Received-SPF: pass (google.com: domain of cedric_hombourger@mentor.com designates 192.94.38.131 as permitted sender) client-ip=192.94.38.131; Authentication-Results: gmr-mx.google.com; spf=pass (google.com: domain of cedric_hombourger@mentor.com designates 192.94.38.131 as permitted sender) smtp.mailfrom=Cedric_Hombourger@mentor.com Received: from nat-ies.mentorg.com ([192.94.31.2] helo=svr-ies-mbx-02.mgc.mentorg.com) by relay1.mentorg.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-SHA384:256) id 1gO221-0004MY-9k from Cedric_Hombourger@mentor.com for isar-users@googlegroups.com; Sat, 17 Nov 2018 06:57:09 -0800 Received: from FRG-W10-HOMBOUR.world.mentorg.com (137.202.0.90) by svr-ies-mbx-02.mgc.mentorg.com (139.181.222.2) with Microsoft SMTP Server (TLS) id 15.0.1320.4; Sat, 17 Nov 2018 14:57:05 +0000 From: Cedric Hombourger To: CC: Cedric Hombourger Subject: [PATCH v5 0/2] rbind mounts for /dev and /sys Date: Sat, 17 Nov 2018 15:56:57 +0100 Message-ID: <1542466619-1689-1-git-send-email-Cedric_Hombourger@mentor.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1542385896-879-3-git-send-email-Cedric_Hombourger@mentor.com> References: <1542385896-879-3-git-send-email-Cedric_Hombourger@mentor.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [137.202.0.90] X-ClientProxiedBy: SVR-IES-MBX-09.mgc.mentorg.com (139.181.222.9) To svr-ies-mbx-02.mgc.mentorg.com (139.181.222.2) X-TUID: hKoVjdjzevf/ Some of the packages I have been rebuilding within Isar require /sys mounted. For instance, golang-google-grpc runs some package tests after it builds itself and reads properties from /sys/class/dmi. The initial version of this patch series only added a mount of /sys. Henning then suggested that we follow Gentoo's guidelines for chroots. As such, this patch series is now mounting /dev and /sys as rbind mounts but leaves /proc as a regular procfs mount (like Gentoo does). ChangeLog: v5: cover letter added as suggested by Jan (private e-mail) v4: limit rbind mounts to /dev and /sys, leave /proc as a regular mount v3: rbind mounts for /dev, /proc and /sys, add explicit umount calls v2: create /sys directory v1: initial submission, simply mount /sys Cedric Hombourger (2): buildchroot+bootstrap: rbind mount for /dev buildchroot: add sysfs mount since expected by some packages meta/classes/buildchroot.bbclass | 5 ++++- meta/classes/image.bbclass | 3 ++- meta/classes/isar-bootstrap-helper.bbclass | 6 +++++- meta/classes/isar-image.bbclass | 3 ++- meta/recipes-core/isar-bootstrap/isar-bootstrap.inc | 8 ++++++-- 5 files changed, 19 insertions(+), 6 deletions(-) -- 2.7.4