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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_2 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 28750C3A59F for ; Thu, 29 Aug 2019 10:22:50 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EFA8A233A1 for ; Thu, 29 Aug 2019 10:22:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EFA8A233A1 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kaod.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:47732 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i3HZo-0003o2-UA for qemu-devel@archiver.kernel.org; Thu, 29 Aug 2019 06:22:48 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46328) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i3HYW-0002e2-Ov for qemu-devel@nongnu.org; Thu, 29 Aug 2019 06:21:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1i3HYV-0001Qq-8d for qemu-devel@nongnu.org; Thu, 29 Aug 2019 06:21:28 -0400 Received: from 6.mo1.mail-out.ovh.net ([46.105.43.205]:52753) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1i3HYV-0001G8-1t for qemu-devel@nongnu.org; Thu, 29 Aug 2019 06:21:27 -0400 Received: from player788.ha.ovh.net (unknown [10.109.146.163]) by mo1.mail-out.ovh.net (Postfix) with ESMTP id 99FF918CE51 for ; Thu, 29 Aug 2019 12:21:17 +0200 (CEST) Received: from kaod.org (lns-bzn-46-82-253-208-248.adsl.proxad.net [82.253.208.248]) (Authenticated sender: groug@kaod.org) by player788.ha.ovh.net (Postfix) with ESMTPSA id 4A98E932D05A; Thu, 29 Aug 2019 10:21:09 +0000 (UTC) Date: Thu, 29 Aug 2019 12:21:08 +0200 From: Greg Kurz To: Aravinda Prasad Message-ID: <20190829122108.36c226c3@bahia.lan> In-Reply-To: <156576293464.29984.1631520917528142744.stgit@aravinda> References: <156576293464.29984.1631520917528142744.stgit@aravinda> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Ovh-Tracer-Id: 12041780980967643540 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgeduvddrudeivddgvdehucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuqfggjfdpvefjgfevmfevgfenuceurghilhhouhhtmecuhedttdenucesvcftvggtihhpihgvnhhtshculddquddttddm X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 46.105.43.205 Subject: Re: [Qemu-devel] [patch-for-4.2 PATCH v11 0/6] target-ppc/spapr: Add FWNMI support in QEMU for PowerKVM guests X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: aik@au1.ibm.com, qemu-devel@nongnu.org, paulus@ozlabs.org, qemu-ppc@nongnu.org, david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Wed, 14 Aug 2019 11:40:50 +0530 Aravinda Prasad wrote: > This patch set adds support for FWNMI in PowerKVM guests. > > System errors such as SLB multihit and memory errors > that cannot be corrected by hardware is passed on to > the kernel for handling by raising machine check > exception (an NMI). Upon such machine check exceptions, > if the address in error belongs to guest then KVM > invokes guests' 0x200 interrupt vector if the guest > is not FWNMI capable. For FWNMI capable guest > KVM passes the control to QEMU by exiting the guest. > > This patch series adds functionality to QEMU to pass > on such machine check exceptions to the FWNMI capable > guest kernel by building an error log and invoking > the guest registered machine check handling routine. > > The KVM changes are now part of the upstream kernel > (commit e20bbd3d). This series contain QEMU changes. > > Change Log v11: > - Moved FWNMI SPAPR cap defaults to 4.2 class option > - Fixed issues with handling fwnmi KVM capability > Hi Aravinda, I'm afraid this series needs rebasing. It doesn't apply cleanly on current ppc-for-4.2 (SHA1 b1e8156743). Cheers, -- Greg > Change Log v10: > - Reshuffled the patch sequence + minor fixes > > Change Log v9: > - Fixed kvm cap and spapr cap issues > > Change Log v8: > - Added functionality to check FWNMI capability during > VM migration > --- > > Aravinda Prasad (6): > Wrapper function to wait on condition for the main loop mutex > ppc: spapr: Introduce FWNMI capability > target/ppc: Handle NMI guest exit > target/ppc: Build rtas error log upon an MCE > ppc: spapr: Handle "ibm,nmi-register" and "ibm,nmi-interlock" RTAS calls > migration: Include migration support for machine check handling > > > cpus.c | 5 + > hw/ppc/spapr.c | 78 +++++++++++++ > hw/ppc/spapr_caps.c | 29 +++++ > hw/ppc/spapr_events.c | 268 ++++++++++++++++++++++++++++++++++++++++++++++ > hw/ppc/spapr_rtas.c | 78 +++++++++++++ > include/hw/ppc/spapr.h | 25 ++++ > include/qemu/main-loop.h | 8 + > target/ppc/cpu.h | 1 > target/ppc/kvm.c | 38 +++++++ > target/ppc/kvm_ppc.h | 13 ++ > target/ppc/trace-events | 1 > 11 files changed, 542 insertions(+), 2 deletions(-) > > -- > Signature