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 X-Spam-Level: X-Spam-Status: No, score=-6.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FAKE_REPLY_A1,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3975EC433F5 for ; Tue, 14 Sep 2021 16:05:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1E70061151 for ; Tue, 14 Sep 2021 16:05:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235149AbhINQGk (ORCPT ); Tue, 14 Sep 2021 12:06:40 -0400 Received: from mo4-p02-ob.smtp.rzone.de ([81.169.146.171]:21664 "EHLO mo4-p02-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235136AbhINQGj (ORCPT ); Tue, 14 Sep 2021 12:06:39 -0400 X-Greylist: delayed 340 seconds by postgrey-1.27 at vger.kernel.org; Tue, 14 Sep 2021 12:06:36 EDT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1631635156; s=strato-dkim-0002; d=xenosoft.de; h=Date:Message-ID:To:Subject:From:Cc:Cc:Date:From:Subject:Sender; bh=k9TIbzaI6YCzIIim5KA1yto+Q6vQDBo2qeUwWSXaJAY=; b=BjUFbC9IHKRz/mEX/uXthUk4lN1ChBd2iHCRaR8VepJ3H3lAfkD7yK3maQ51RTSZ4D Ls3MIruKK2ozwMKjSbxiZp+NrZVrnZHUlv6bZXxVNg9ktcR8CLL/gLgSlr3hL2zEPj8W 7XSqdxKM99U0Ia3zC9u0ljpuv0OUlD89jBqLZEy4DoehYIqy9raC92Dmg8KAP5ASiJkV j6pFMkJR8RSL0Jvm1jsmb3uoq/XLdHrruKDxpSdH48ew8pIKqqNzuOPv5gbuNIs6LStP tGv4H3WlWFzEnk7afaSEF4m5Xw5lh4u/5KG8LUvA2or7FeAwhsRDsxNfHN+KGej8Q22h G+2g== Authentication-Results: strato.com; dkim=none X-RZG-AUTH: ":L2QefEenb+UdBJSdRCXu93KJ1bmSGnhMdmOod1DhGM4l4Hio94KKxRySfLxnHfJ+Dkjp5DdBJSrwuuqxvPhQJ6mmIg736XZSO7Y3Xb2NMPx2Lg==" X-RZG-CLASS-ID: mo00 Received: from Christians-iMac.fritz.box by smtp.strato.de (RZmta 47.33.3 AUTH) with ESMTPSA id a03989x8EFxEFP3 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits)) (Client did not present a certificate); Tue, 14 Sep 2021 17:59:14 +0200 (CEST) Cc: kvm@vger.kernel.org, x86@kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, kvm-ppc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kselftest@vger.kernel.org, Paolo Bonzini , Jonathan Corbet , "Huacai Chen," , "Aleksandar Markovic," , "Thomas Bogendoerfer," , Paul Mackerras , Michael Ellerman , "Benjamin Herrenschmidt," , Paul Mackerras , "Vitaly, Kuznetsov" , Wanpeng Li , Jim Mattson , Joerg Roedel , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Shuah Khan , Shuah Khan , "R.T.Dickinson" , Darren Stevens , mad skateman From: Christian Zigotzky Subject: Re: [PATCH 2/2] kvm: rename KVM_MAX_VCPU_ID to, KVM_MAX_VCPU_IDS To: Juergen Gross Message-ID: <6d3333b1-05cc-103b-4bdb-88bec5e3e9fd@xenosoft.de> Date: Tue, 14 Sep 2021 17:59:13 +0200 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: de-DE Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org Hello Juergen, Hello All, Since the RC1 of kernel 5.13, -smp 2 and -smp 4 don't work with a virtual e5500 QEMU KVM-HV machine anymore. [1] I see in the serial console, that the uImage doesn't load. I use the following QEMU command for booting: qemu-system-ppc64 -M ppce500 -cpu e5500 -enable-kvm -m 1024 -kernel uImage -drive format=raw,file=MintPPC32-X5000.img,index=0,if=virtio -netdev user,id=mynet0 -device virtio-net,netdev=mynet0 -append "rw root=/dev/vda" -device virtio-vga -device virtio-mouse-pci -device virtio-keyboard-pci -device pci-ohci,id=newusb -device usb-audio,bus=newusb.0 -smp 4 The kernels boot without KVM-HV. Summary for KVM-HV: -smp 1 -> works -smp 2 -> doesn't work -smp 3 -> works -smp 4 -> doesn't work I used -smp 4 before the RC1 of kernel 5.13 because my FSL P5040 BookE machine [2] has 4 cores. Does this patch solve this issue? [3] Thanks, Christian [1] https://lists.ozlabs.org/pipermail/linuxppc-dev/2021-May/229103.html [2] http://wiki.amiga.org/index.php?title=X5000 [3] https://lists.ozlabs.org/pipermail/linuxppc-dev/2021-September/234152.html