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=-4.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 B95F9C07E99 for ; Thu, 8 Jul 2021 06:50:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 98EEF61CE3 for ; Thu, 8 Jul 2021 06:50:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229843AbhGHGwn (ORCPT ); Thu, 8 Jul 2021 02:52:43 -0400 Received: from smtp.gentoo.org ([140.211.166.183]:45682 "EHLO smtp.gentoo.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229842AbhGHGwn (ORCPT ); Thu, 8 Jul 2021 02:52:43 -0400 X-Greylist: delayed 593 seconds by postgrey-1.27 at vger.kernel.org; Thu, 08 Jul 2021 02:52:43 EDT Date: Wed, 7 Jul 2021 23:40:02 -0700 From: Georgy Yakovlev To: stable@vger.kernel.org Cc: paulus@ozlabs.org, farosas@linux.ibm.com, kernel@gentoo.org, dist-kernel@gentoo.org Subject: please include KVM: PPC: Book3S HV: Save and restore FSCR in the P9 path Message-ID: <20210708064002.hzkjvvzhjticalzm@cerberus> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Hi, I'd like to propose the following patch for inclusion into 5.10 LTS commit: 25edcc50d76c834479d11fcc7de46f3da4d95121 subject: [PATCH] KVM: PPC: Book3S HV: Save and restore FSCR in the P9 path Without this patch qemu does not work on POWER9 on modern glibc, so I think it should be included in at least 5.10 lts branch. I cannot test on older LTS versions unfortunately, only 5.10. Started Virtual Machine qemu-2-gentoo-ppc64-stable. Facility 'SCV' unavailable (12), exception at 0x7fff9f81d4b0, MSR=900000000280f033 CPU 0/KVM[2914766]: illegal instruction (4) at 7fff9f81d4b0 nip 7fff9f81d4b0 lr 13e6048e0 code 1 in libc-2.33.so[7fff9f6f0000+200000] CPU 0/KVM[2914766]: code: e8010010 7c0803a6 4e800020 60420000 7ca42b78 4bffedb5 60000000 38210020 CPU 0/KVM[2914766]: code: e8010010 7c0803a6 4e800020 60420000 <44000001> 4bffffb8 60000000 60420000 -- Best regards, Georgy