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.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 AF389C433F5 for ; Mon, 7 Feb 2022 16:53:34 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4JssfN6H80z3cPP for ; Tue, 8 Feb 2022 03:53:32 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=molgen.mpg.de (client-ip=141.14.17.11; helo=mx1.molgen.mpg.de; envelope-from=pmenzel@molgen.mpg.de; receiver=) Received: from mx1.molgen.mpg.de (mx3.molgen.mpg.de [141.14.17.11]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Jssdx0KVLz2xB1 for ; Tue, 8 Feb 2022 03:53:08 +1100 (AEDT) Received: from [192.168.0.2] (ip5f5aee58.dynamic.kabel-deutschland.de [95.90.238.88]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: pmenzel) by mx.molgen.mpg.de (Postfix) with ESMTPSA id D39A661EA1924; Mon, 7 Feb 2022 17:53:05 +0100 (CET) Message-ID: <36ffe02f-b299-2085-108a-5a4551e620fb@molgen.mpg.de> Date: Mon, 7 Feb 2022 17:53:05 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.1 Content-Language: en-US To: Sebastian Andrzej Siewior , "Paul E. McKenney" , Josh Triplett From: Paul Menzel Subject: ppc64le: rcutorture warns about improperly set `CONFIG_HYPERVISOR_GUEST` and `CONFIG_PARAVIRT` Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: rcu@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Dear Sebastian, dear Paul, In commit a6fda6dab9 (rcutorture: Tweak kvm options) `tools/testing/selftests/rcutorture/configs/rcu/CFcommon` was extended by the three selections below: CONFIG_HYPERVISOR_GUEST=y CONFIG_PARAVIRT=y CONFIG_KVM_GUEST=y Unfortunately, `CONFIG_HYPERVISOR_GUEST` is x86 specific and `CONFIG_PARAVIRT` only available on x86 and ARM. Thus, running the tests on a ppc64le system (POWER8 IBM S822LC), the script shows the warnings below: :CONFIG_HYPERVISOR_GUEST=y: improperly set :CONFIG_PARAVIRT=y: improperly set Do you have a way, how to work around that? Kind regards, Paul