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 lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 9F742D2ECF9 for ; Tue, 20 Jan 2026 07:11:25 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.1208388.1520548 (Exim 4.92) (envelope-from ) id 1vi5tE-000596-7K; Tue, 20 Jan 2026 07:11:00 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 1208388.1520548; Tue, 20 Jan 2026 07:11:00 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1vi5tE-00058z-4U; Tue, 20 Jan 2026 07:11:00 +0000 Received: by outflank-mailman (input) for mailman id 1208388; Tue, 20 Jan 2026 07:10:59 +0000 Received: from mail.xenproject.org ([104.130.215.37]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1vi5tD-00058s-1d for xen-devel@lists.xenproject.org; Tue, 20 Jan 2026 07:10:59 +0000 Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.96) (envelope-from ) id 1vi5t7-00Cd0R-1m; Tue, 20 Jan 2026 07:10:53 +0000 Received: from [19.12.91.86] (helo=localhost) by xenbits.xenproject.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vi5t6-00B8um-2v; Tue, 20 Jan 2026 07:10:53 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=xen.org; s=20200302mail; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID :Subject:Cc:To:Date:From; bh=aPPFJbjUAKb601RHV/6PWokK7q363TBq5kpsScZJaaA=; b= y1B5JOJ6ldIx9/MLW9dep8E78pfOPB6/kWTJ5dVgQTtcrnkhWJI5+hs3EuwjKL2VfkpMi7cU+w+hK ESw8ptov8xCEbxvYPd7HW2KwiX69fgJCy5UMQEdExAC3k4D3f/r2pvfgPhQAvvzW3j9y0rlIQN4Qp yswRJCcHHOsmu2EzY=; From: dmukhin@xen.org Date: Mon, 19 Jan 2026 23:10:50 -0800 To: Jan Beulich Cc: Stefano Stabellini , andrew.cooper3@citrix.com, anthony.perard@vates.tech, julien@xen.org, michal.orzel@amd.com, roger.pau@citrix.com, dmukhin@ford.com, xen-devel@lists.xenproject.org Subject: Re: [PATCH v2] INSTALL: remove unsupported XEN_CONFIG_EXPERT from documentation Message-ID: References: <20260116030842.415583-2-dmukhin@ford.com> <09c0007b-3cac-469a-83a0-726c1be149da@suse.com> <6f275030-a3c2-4710-952e-56c3226b5a8b@suse.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6f275030-a3c2-4710-952e-56c3226b5a8b@suse.com> On Mon, Jan 19, 2026 at 08:29:58AM +0100, Jan Beulich wrote: > On 16.01.2026 21:47, Stefano Stabellini wrote: > > On Fri, 16 Jan 2026, Jan Beulich wrote: > >> On 16.01.2026 04:08, dmukhin@xen.org wrote: > >>> --- a/INSTALL > >>> +++ b/INSTALL > >>> @@ -33,11 +33,11 @@ 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. > >> > >> I fear this earlier paragraph needs editing as well, which will then > >> make more clear that ... > >> > >>> -You can counter-override this behaviour by setting XEN_CONFIG_EXPERT=y > >>> -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. > >>> +This behavior can be overridden by enabling "Configure EXPERT features" > >>> +in Kconfig (CONFIG_EXPERT). > >> > >> ... this may not be quite adequate. > >> > > > > I am not sure how you would like to change the earlier paragraph or this > > paragraph. I gave it a try and removed both paragraphs, replacing it > > with this: > > > > """ > > Only a subset of options is supported or security-supported by Xen > > Project. You can explore all available options, including unsupported > > ones and those recommended only for expert users, by using `make > > menuconfig` and enabling `CONFIG_UNSUPPORTED` and/or `CONFIG_EXPERT`. > > However, enabling these options is not supported, and configurations > > resulting from them do not receive security support. > > """ > > > > What do you think? > > This would be fine with me. Thanks Stefano and Jan. I will send an update shortly. -- Denis