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=-2.2 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 37D5BC43603 for ; Mon, 9 Dec 2019 11:16:09 +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 09950207FD for ; Mon, 9 Dec 2019 11:16:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 09950207FD 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]:38636 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ieH1M-00027d-6J for qemu-devel@archiver.kernel.org; Mon, 09 Dec 2019 06:16:08 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:42992) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ieH0R-0001Tc-6q for qemu-devel@nongnu.org; Mon, 09 Dec 2019 06:15:12 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ieH0P-0003E3-Su for qemu-devel@nongnu.org; Mon, 09 Dec 2019 06:15:10 -0500 Received: from 1.mo178.mail-out.ovh.net ([178.33.251.53]:59172) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ieH0P-0003CN-ME for qemu-devel@nongnu.org; Mon, 09 Dec 2019 06:15:09 -0500 Received: from player729.ha.ovh.net (unknown [10.108.42.66]) by mo178.mail-out.ovh.net (Postfix) with ESMTP id 61CD083754 for ; Mon, 9 Dec 2019 12:15:07 +0100 (CET) Received: from kaod.org (lns-bzn-46-82-253-208-248.adsl.proxad.net [82.253.208.248]) (Authenticated sender: groug@kaod.org) by player729.ha.ovh.net (Postfix) with ESMTPSA id 8315CD36D47A; Mon, 9 Dec 2019 11:14:58 +0000 (UTC) Date: Mon, 9 Dec 2019 12:14:55 +0100 From: Greg Kurz To: Cornelia Huck Subject: Re: [for-5.0 PATCH 0/4] ppc: Fix interrupt controller emulation Message-ID: <20191209121455.17193284@bahia.w3ibm.bluemix.net> In-Reply-To: <20191209120735.4fe6e4ea.cohuck@redhat.com> References: <157548861171.3650476.14824062174573272058.stgit@bahia.lan> <20191209011428.GE2482@umbus.fritz.box> <20191209115947.2fb92760@bahia.w3ibm.bluemix.net> <20191209120735.4fe6e4ea.cohuck@redhat.com> X-Mailer: Claws Mail 3.17.4 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/V76gIZgmaJaz+YlPYQujAVK"; protocol="application/pgp-signature"; micalg=pgp-sha256 X-Ovh-Tracer-Id: 3223169961448610242 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedufedrudeltddgvdejucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuqfggjfdpvefjgfevmfevgfenuceurghilhhouhhtmecuhedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhepfffhvffukfgjfhfogggtsehgtdefreertddvnecuhfhrohhmpefirhgvghcumfhurhiiuceoghhrohhugheskhgrohgurdhorhhgqeenucfkpheptddrtddrtddrtddpkedvrddvheefrddvtdekrddvgeeknecurfgrrhgrmhepmhhouggvpehsmhhtphdqohhuthdphhgvlhhopehplhgrhigvrhejvdelrdhhrgdrohhvhhdrnhgvthdpihhnvghtpedtrddtrddtrddtpdhmrghilhhfrhhomhepghhrohhugheskhgrohgurdhorhhgpdhrtghpthhtohepqhgvmhhuqdguvghvvghlsehnohhnghhnuhdrohhrghenucevlhhushhtvghrufhiiigvpedt X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 178.33.251.53 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_/V76gIZgmaJaz+YlPYQujAVK Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Mon, 9 Dec 2019 12:07:35 +0100 Cornelia Huck wrote: > On Mon, 9 Dec 2019 11:59:47 +0100 > Greg Kurz wrote: >=20 > > 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, specifical= ly 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 sta= nding bug > > > > when using the uncommon accel=3Dkvm,kernel-irqchip=3Doff machine co= nfiguration > > > > which happens to be enforced on LC92x because of a host FW limitati= on. 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 ot= her > > > > 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. >=20 >=20 > Aren't these ppc-only patches, though? Confused. Oops... I've mixed up with the CPUReset series, sorry for the confusion :-) --Sig_/V76gIZgmaJaz+YlPYQujAVK Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEtIKLr5QxQM7yo0kQcdTV5YIvc9YFAl3uLLAACgkQcdTV5YIv c9ZgvRAAh/Rh7F9ohWa3rSEdBGB3AvvnfARcW1O/QSLcl23BNWn9FAyY7Co35kAS 1HV312e2UrCEdTanmtqFDGoErQl7zWOsCuZTQy9CemLxcr1l40hGzbkjO70C5irm 7JUUc797sr2doGoKqQG860UcfuROFLDMXvl2+gb1eYxYOHE+lrbwZPZ7MZk2hheB wedtsmfpkvLv347EXX2vbBiY4R2hsC6oWVFA0TUmK822LlHrivftItVOcY3bOROF gWXqqpJ6NowNs4EUm5zkRhpQwjwzbjIDi14Y2KCFn9p/Py8iu5TOiqzKCGWC13rt UyN4syUqva3oYskMC9YCMTT0RsGpdhGkLqNCOF3hfLk4TzpGjeW8Y9rckuwwgYV6 3IlFNkLLQymTAFZsm7ZNgwphzJxLSkMNf+2aH6CSVjpewU89b/UnJ50hrhq+zylv L/h9s2tlzLiRnXDBUUoxSSZGH2ROJ1GsOKmTLaMSZrvNLM3sloYOCcNfpwyEyWP8 3m9HAdUKEhA7qo0hhZn+oPSNgNTW89pwiCfIGdlPiz223Wts0w+s0mIEq5O956p9 LtmqGwWoK5jA84F1Z2b/6h9LhTFyvqu884/+1ZaeylRbI7Ps/QafV2ev8FQGQGpC /MyvmGgnRAA7RsNjR1DciI9dBVOVTePGLQtPn9Y9bem5QglepZ4= =ZAxA -----END PGP SIGNATURE----- --Sig_/V76gIZgmaJaz+YlPYQujAVK--