From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-3229654-1519661845-2-16662407191769476834 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.001, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='CN', FromHeader='com', MailFrom='org' X-Spam-charsets: plain='US-ASCII' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1519661844; b=fdJfqYQZebvmb01g+583DTLi6H3+Fk4d17ttMcGNeAyMMcl 5/la1/Frd5YysUifhg9PuhrQt2PMJh6wRC/Xmgme3qnpCieeZCAUP3HoxVQDgMjt BM1qkXeMl29Rb2q/+W07phyrVwVtB+Sfolq1Tc5OuEjJe6HhWuAlT9UzLGxZDw2C N4Ckio9cSqMWxalPNeOqDZKGTFWxk3DGV65m1of8HQS1I1l85H1/3eL8jFDGNrbr XvimJiZaugctF7k3JVKaG/8jMPm1nk+hXYSfdjVBQ60HcyTCg9gKpPUj0IRHx1xq gejbQltnFlWyjiPHdDala8qkIhfv5ZbAk6E72aA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=message-id:date:from:to:cc:subject :references:in-reply-to:mime-version:content-type :content-transfer-encoding:sender:list-id; s=arctest; t= 1519661844; bh=cgrP7PgDiPPHfJDQaTt1rmkPUnF0ybqqSFfyT5/H+hU=; b=L kNZYlx9RkQycjukdRH5tuDcY68Fi+7/yp2S4RE5U4wkrUegJ8ufAImkWQ0UlX7Wa /5WFLsrFp8njuOw6fj6cARjyim094UkOhKSLtypJ+inok3/czsN/orhUJ/wKbZLY 0Q/S5BxVa/bVYYZZtxstNmif9O+LSPLYoEEVOr5b8sTc20a7ahSE2Yg7io1F9WSS 7+0M2kbreJRZFJ43A43LUUJFgppCBYHN8slojM8foKZzWQ+KfUSkpHYMF54L2k6i YPFm+MlkK9r6RxqiG2P+YFWoDjdoQ2hyQDTBSzsjwCKSOzTO6YtvC5goajZDENHU fCkmwyuhGXNsIAfUXofdg== ARC-Authentication-Results: i=1; mx5.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=suse.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=suse.com header.result=pass header_is_org_domain=yes Authentication-Results: mx5.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=suse.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=suse.com header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751446AbeBZQRW convert rfc822-to-8bit (ORCPT ); Mon, 26 Feb 2018 11:17:22 -0500 Received: from prv-mh.provo.novell.com ([137.65.248.74]:46828 "EHLO prv-mh.provo.novell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751061AbeBZQRV (ORCPT ); Mon, 26 Feb 2018 11:17:21 -0500 Message-Id: <5A94411C02000078001ABDF1@prv-mh.provo.novell.com> X-Mailer: Novell GroupWise Internet Agent 18.0.0 Date: Mon, 26 Feb 2018 09:17:16 -0700 From: "Jan Beulich" To: "Juergen Gross" Cc: , , , , , , , Subject: Re: [PATCH] x86/xen: zero MSR_IA32_SPEC_CTRL before suspend References: <20180226140818.4849-1-jgross@suse.com> In-Reply-To: <20180226140818.4849-1-jgross@suse.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8BIT Content-Disposition: inline Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: >>> On 26.02.18 at 15:08, wrote: > Older Xen versions (4.5 and before) might have problems migrating pv > guests with MSR_IA32_SPEC_CTRL having a non-zero value. So before > suspending zero that MSR and restore it after being resumed. > > Cc: stable@vger.kernel.org > Signed-off-by: Juergen Gross Reviewed-by: Jan Beulich