From nobody Mon Feb 9 21:21:48 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zohomail.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=eu.citrix.com Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1580808917085207.54942380514342; Tue, 4 Feb 2020 01:35:17 -0800 (PST) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iyubV-0001Nn-AX; Tue, 04 Feb 2020 09:34:45 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iyubU-0001NF-7W for xen-devel@lists.xenproject.org; Tue, 04 Feb 2020 09:34:44 +0000 Received: from esa4.hc3370-68.iphmx.com (unknown [216.71.155.144]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 8f7a6cd4-4731-11ea-8ef9-12813bfff9fa; Tue, 04 Feb 2020 09:34:37 +0000 (UTC) X-Inumbo-ID: 8f7a6cd4-4731-11ea-8ef9-12813bfff9fa DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=citrix.com; s=securemail; t=1580808877; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=Os92dfSQWU9h6kv9LrnZnZne/r4HgjhA4dGYC/s21v4=; b=Wey7Gf7Pt4n56R/V9VX18XZJYPTnUu4aEk9N2FU7JkkiezuDoyMhPLeC 818SaO2jhH2byuJ8LkUJPyon7Di8L2gTkmOGTGGGiLbVzGO8T26mAEKPO cyhjCY0H3ntqvHkug6Q8aepp8kSefHdiwCP9DD1lunJs7iWps0to6VfsY 4=; Authentication-Results: esa4.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none; spf=None smtp.pra=ian.jackson@eu.citrix.com; spf=Pass smtp.mailfrom=Ian.Jackson@citrix.com; spf=None smtp.helo=postmaster@mail.citrix.com Received-SPF: none (zohomail.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Received-SPF: None (esa4.hc3370-68.iphmx.com: no sender authenticity information available from domain of ian.jackson@eu.citrix.com) identity=pra; client-ip=162.221.158.21; receiver=esa4.hc3370-68.iphmx.com; envelope-from="Ian.Jackson@citrix.com"; x-sender="ian.jackson@eu.citrix.com"; x-conformance=sidf_compatible Received-SPF: Pass (esa4.hc3370-68.iphmx.com: domain of Ian.Jackson@citrix.com designates 162.221.158.21 as permitted sender) identity=mailfrom; client-ip=162.221.158.21; receiver=esa4.hc3370-68.iphmx.com; envelope-from="Ian.Jackson@citrix.com"; x-sender="Ian.Jackson@citrix.com"; x-conformance=sidf_compatible; x-record-type="v=spf1"; x-record-text="v=spf1 ip4:209.167.231.154 ip4:178.63.86.133 ip4:195.66.111.40/30 ip4:85.115.9.32/28 ip4:199.102.83.4 ip4:192.28.146.160 ip4:192.28.146.107 ip4:216.52.6.88 ip4:216.52.6.188 ip4:162.221.158.21 ip4:162.221.156.83 ip4:168.245.78.127 ~all" Received-SPF: None (esa4.hc3370-68.iphmx.com: no sender authenticity information available from domain of postmaster@mail.citrix.com) identity=helo; client-ip=162.221.158.21; receiver=esa4.hc3370-68.iphmx.com; envelope-from="Ian.Jackson@citrix.com"; x-sender="postmaster@mail.citrix.com"; x-conformance=sidf_compatible IronPort-SDR: GON+E+MD27L8/1CLN2veec9hlMlk/MG9zzYwUc3tfEoj47k2Ax3cIXCiZdj/l7bqOTtw/voxF6 kmYPDeHWM2fDX+PYEq96kZ06TNgQxcLkZw82CqPllT5S7LRT3l9gYx8qF6Q0BbMgblkUS4bT+d oOeb6Ac2iMBFjFT+BwLSHkeitq/FFZe4m+6TJAtn1k9hqv3bmAe6u7zaZeZ1paO57bGXnUjDLo y73YDUYv6HMG4nQMeK1BxcZoSel81zoY/vv+lUfw9UfXiUKJqx9UHrnQ1YHIJ4avEQxsqt5Dtf /QA= X-SBRS: 2.7 X-MesageID: 12517741 X-Ironport-Server: esa4.hc3370-68.iphmx.com X-Remote-IP: 162.221.158.21 X-Policy: $RELAYED X-IronPort-AV: E=Sophos;i="5.70,401,1574139600"; d="scan'208";a="12517741" From: Ian Jackson To: Date: Tue, 4 Feb 2020 09:34:24 +0000 Message-ID: <20200204093424.10159-3-ian.jackson@eu.citrix.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20200204093424.10159-1-ian.jackson@eu.citrix.com> References: <20200204093424.10159-1-ian.jackson@eu.citrix.com> MIME-Version: 1.0 Subject: [Xen-devel] [PATCH v3 2/2] INSTALL: Mention kconfig X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Stefano Stabellini , Julien Grall , Wei Liu , Konrad Rzeszutek Wilk , George Dunlap , Andrew Cooper , Ian Jackson , Jan Beulich , Ian Jackson Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: Ian Jackson Firstly, add a reference to the documentation for the kconfig system. Secondly, warn the user about the XEN_CONFIG_EXPERT problem. Signed-off-by: Ian Jackson Reviewed-by: Doug Goldstein Acked-by: Jan Beulich --- v2: Fix typos --- INSTALL | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/INSTALL b/INSTALL index aa08562b8a..72dc4b67dd 100644 --- a/INSTALL +++ b/INSTALL @@ -19,6 +19,26 @@ following compile process. Once configure is done, make(= 1) has to be called. Also make(1) recognizes certain arguments. The following sections will give an overview. =20 +Xen Hypervisor +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D + +Xen itself is configured via a `kconfig' system borrowed from Linux. +See docs/misc/kconfig.txt. + +Note that unlike with Linux, and contrary to that document, you cannot +look at Kconfig files, or the default or generated config files etc., +to find available configuration options. This is because it is only +supported (and security supported) by the Xen Project, to change a +small subset of the options. Attempts to change other options will be +silently overridden. The only way to find which configuration options +are available is to run `make menuconfig' or the like. + +You can counter-override this behaviour by setting XEN_CONFIG_EXPERT=3Dy +in your environment. However, doing this is not supported and the +resulting configurations do not receive security support. If you set +this variable there is nothing stopping you setting dangerously +experimental combinations of features - not even any warnings. + Options recognized by configure =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D =20 --=20 2.11.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel