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_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, URIBL_BLOCKED autolearn=ham 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 0F924C433F5 for ; Mon, 10 Sep 2018 15:58:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3BC2B20865 for ; Mon, 10 Sep 2018 15:58:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=aepfle.de header.i=@aepfle.de header.b="hPqU7XAD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3BC2B20865 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=aepfle.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728580AbeIJUxV (ORCPT ); Mon, 10 Sep 2018 16:53:21 -0400 Received: from mo4-p00-ob.smtp.rzone.de ([81.169.146.219]:27727 "EHLO mo4-p00-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728160AbeIJUxV (ORCPT ); Mon, 10 Sep 2018 16:53:21 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1536595112; s=strato-dkim-0002; d=aepfle.de; h=References:In-Reply-To:Message-ID:Subject:Cc:To:From:Date: X-RZG-CLASS-ID:X-RZG-AUTH:From:Subject:Sender; bh=p2XmSnMfW2bw92jiHMazRfKFFxaE1OUJBwoQwE5PWzc=; b=hPqU7XADOIk9Kp9s4HWIMTb8yELUDG482CR98JmAGGxQ04MKRvdQ1rniFa4pVyWYha tCRwmes45gBdGQkQFCmgCNqjfLGTZgsbZE5zfYvSkpALmcGXJD72QeAat4ok8QUd5fbt SEk6sqog+ppr9Sh58JH/Sb1jndJ69KlYbabhH+9jO9PFgV8ajgJt8TwFEPpH4ds/Z8LG dtf9Vw3T2KnUnNqrS7dv1II/xdG6aChMNWk6/hOJklL/oSH/PPhNhk+W0BihKHmuu0vL puOFKYCR6D5QbfzWD+yP6C+4hacA5SdHRa62zae8AR2JTb8LCEC20lY6ej/dT9uwPY2t eMGw== X-RZG-AUTH: ":P2EQZWCpfu+qG7CngxMFH1J+3q8wa/QED/SSGq+wjGiUC4oa0tv22oE4L2iGxAh2DLVXcEqAmZo=" X-RZG-CLASS-ID: mo00 Received: from sender by smtp.strato.de (RZmta 44.0 AUTH) with ESMTPSA id L0862bu8AFwVNkV (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (curve secp521r1 with 521 ECDH bits, eq. 15360 bits RSA)) (Client did not present a certificate); Mon, 10 Sep 2018 17:58:31 +0200 (CEST) Date: Mon, 10 Sep 2018 17:58:25 +0200 From: Olaf Hering To: Boris Ostrovsky Cc: xen-devel@lists.xenproject.org, Juergen Gross , open list Subject: Re: [PATCH v4] xen: avoid crash in disable_hotplug_cpu Message-ID: <20180910175825.683476d9.olaf@aepfle.de> In-Reply-To: <4f623671-e1aa-1804-449c-a26b0c4b9ce9@oracle.com> References: <20180907143135.29608-1-olaf@aepfle.de> <4f623671-e1aa-1804-449c-a26b0c4b9ce9@oracle.com> X-Mailer: Claws Mail 3.16.1 (GTK+ 2.24.32; x86_64-suse-linux-gnu) MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; boundary="Sig_/k.0Y+4kv1lXOeXrHWw+B8V0"; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Sig_/k.0Y+4kv1lXOeXrHWw+B8V0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Am Fri, 7 Sep 2018 12:56:37 -0400 schrieb Boris Ostrovsky : > I was hoping you'd respond to my question about warning. >=20 > root@haswell> xl vcpu-set 3 0 =20 > and in the guest >=20 > [root@vm-0238 ~]# [=C2=A0=C2=A0 32.866955] ------------[ cut here ]------= ------ > [=C2=A0=C2=A0 32.866963] spinlock on CPU0 exists on IRQ1! > [=C2=A0=C2=A0 32.866984] WARNING: CPU: 0 PID: 14 at arch/x86/xen/spinlock= .c:90 > xen_init_lock_cpu+0xbf/0xd0 This happens to work for me, on X5550. Please send your .config. Olaf --Sig_/k.0Y+4kv1lXOeXrHWw+B8V0 Content-Type: application/pgp-signature Content-Description: Digitale Signatur von OpenPGP -----BEGIN PGP SIGNATURE----- iF0EARECAB0WIQSkRyP6Rn//f03pRUBdQqD6ppg2fgUCW5aUoQAKCRBdQqD6ppg2 fv4NAKDxmj1J4eiqtj+VLauAAw3K6V3DwQCcDaB3WRE4Rp47xUF8BAX+rr+o4Q4= =Z+iq -----END PGP SIGNATURE----- --Sig_/k.0Y+4kv1lXOeXrHWw+B8V0--