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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 68AFCC04E30 for ; Mon, 9 Dec 2019 11:08:44 +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 37FEC2077B for ; Mon, 9 Dec 2019 11:08:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="VBq5iUXe" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 37FEC2077B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:38570 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ieGuB-0006pq-Ed for qemu-devel@archiver.kernel.org; Mon, 09 Dec 2019 06:08:43 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:41209) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ieGtP-0006Mv-57 for qemu-devel@nongnu.org; Mon, 09 Dec 2019 06:07:56 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ieGtO-0004tD-4F for qemu-devel@nongnu.org; Mon, 09 Dec 2019 06:07:55 -0500 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:49224 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ieGtO-0004sf-0s for qemu-devel@nongnu.org; Mon, 09 Dec 2019 06:07:54 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1575889673; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=iaXGaA8ZzYvLSTNaXVxXETDGpsjvRR0CbsMPZIA4fhI=; b=VBq5iUXe5aY6GqGVuDPA+SUYa1RkPBG7tdZ5FHIQqpkQ8shJVL0n5nQGVal5UXlRHLaXHp kbrzd/I2FrGBehTK522PbnUck45G2dajm6Ow6dp3axtaykrZn0FjH8JyUHRSHnO4fW3Gi8 6OlS18qDnrOufxt8CH27FGHbReY7fQY= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-184-hkgelY28OBav0wRIMGU2Fw-1; Mon, 09 Dec 2019 06:07:50 -0500 X-MC-Unique: hkgelY28OBav0wRIMGU2Fw-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 9A720DC23; Mon, 9 Dec 2019 11:07:48 +0000 (UTC) Received: from gondolin (dhcp-192-245.str.redhat.com [10.33.192.245]) by smtp.corp.redhat.com (Postfix) with ESMTP id 417636055B; Mon, 9 Dec 2019 11:07:47 +0000 (UTC) Date: Mon, 9 Dec 2019 12:07:35 +0100 From: Cornelia Huck To: Greg Kurz Subject: Re: [for-5.0 PATCH 0/4] ppc: Fix interrupt controller emulation Message-ID: <20191209120735.4fe6e4ea.cohuck@redhat.com> In-Reply-To: <20191209115947.2fb92760@bahia.w3ibm.bluemix.net> References: <157548861171.3650476.14824062174573272058.stgit@bahia.lan> <20191209011428.GE2482@umbus.fritz.box> <20191209115947.2fb92760@bahia.w3ibm.bluemix.net> Organization: Red Hat GmbH MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Mimecast-Spam-Score: 0 Content-Type: multipart/signed; boundary="Sig_/q4E/aV81sukE+xN5=PGcY9l"; protocol="application/pgp-signature"; micalg=pgp-sha256 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 205.139.110.120 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: Laurent Vivier , qemu-devel@nongnu.org, qemu-ppc@nongnu.org, =?UTF-8?B?Q8OpZHJpYw==?= Le Goater , Satheesh Rajendran , David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" --Sig_/q4E/aV81sukE+xN5=PGcY9l Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Mon, 9 Dec 2019 11:59:47 +0100 Greg Kurz wrote: > On Mon, 9 Dec 2019 12:14:28 +1100 > David Gibson wrote: >=20 > > On Wed, Dec 04, 2019 at 08:43:31PM +0100, Greg Kurz wrote: =20 > > > Guest hangs have been observed recently on POWER9 hosts, specifically= LC92x > > > "Boston" systems, when the guests are being rebooted multiple times. = The > > > issue isn't POWER9 specific though. It is caused by a very long stand= ing bug > > > when using the uncommon accel=3Dkvm,kernel-irqchip=3Doff machine conf= iguration > > > which happens to be enforced on LC92x because of a host FW limitation= . This > > > affects both the XICS and XIVE emulated interrupt controllers. > > >=20 > > > The actual fix is in patch 1. Patch 2 is a followup cleanup. The othe= r > > > patches are unrelated cleanups I came up with while investigating. > > >=20 > > > Since this bug always existed and we're already in rc4, I think it is= better > > > to fix it in 5.0 and possibly backport it to stable and downstream if= needed. =20 > >=20 > > Applied to ppc-for-5.0. > >=20 > > =20 >=20 > According to Cornelia's comments, it seems I need to respin this against > the s390-next branch to avoid conflicts. Aren't these ppc-only patches, though? Confused. --Sig_/q4E/aV81sukE+xN5=PGcY9l Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEw9DWbcNiT/aowBjO3s9rk8bwL68FAl3uKvcACgkQ3s9rk8bw L68bYQ/+Lnv/ua3T7jlO0rXhvginPrb9+zX4iKBQ7KY/4nrPi1+DQrw/YCHANsWN pB7x24bmUAWmvIcJ3F/Q9UsnbI0vqvmtbY2/XEsfs9YTqy3uKjkt9tO0xJ9TM9mO 8+Q0U6kNV5iyrXTpDfMLsgVaof6EjgNvkM5mbc3xvZHZ/OOWu6uo/u11Ze+EPsaj hLAIroHdGiS83MjT7ZV/sCEjUHH6iZzH/orDlnbzTyJU2Rzdk4osK7iK7JJsiQwP yirdkUfxZgvDIIBjy/sAmGlYYWTCqPK4rfV4njzu2VWPjsjnQM/Vgs+oklkRjN+e ygKhljCwgkIzBMvCTElx63pHvRtlI7fgoHVXG/JYxQ+9Y+NXaqcSf+zwEGeUE+Sr 2js0QZ10vQ/qzQ5wUdV5PQS38uroti30jY37fi8DWozLPSx4qZ3thtjzG+Zd5Z4J p9mH1esRQ3n1PCNiE10lvG/R3R9eGEkak9HagjGDFh+/i9GKAV/wPk7Fj6tDyMCY HuzZRJk4EDgsqBLWxIXKj3dg4Olaqs2ImEKV2vRdwMznsQH/TCN4GpDtVAIBhykl L5Kw/ckOGMMwIY4RqfyDJaL+VCDtvXVn8WBi7XUUMyLg+xFTkjilecHtoIgDR9Wx vVj246d8TZXa/1j8+I76AJyzXIWyJhHP6Jcxf9BYa0KKGcsCEeg= =aRa5 -----END PGP SIGNATURE----- --Sig_/q4E/aV81sukE+xN5=PGcY9l--