Path: csiph.com!goblin2!goblin.stu.neva.ru!aioe.org!bofh.it!news.nic.it!robomod From: David Vrabel Newsgroups: linux.kernel Subject: Re: [Xen-devel] [PATCH] xen/x86: Don't try to write syscall-related MSRs for PV guests Date: Mon, 28 Sep 2015 15:40:03 +0200 Message-ID: References: X-Original-To: Boris Ostrovsky , , X-Ironport-Av: E=Sophos;i="5.17,602,1437436800"; d="scan'208";a="302820718" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.8.0 MIME-Version: 1.0 Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit X-Dlp: MIA2 Sender: robomod@news.nic.it List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Approved: robomod@news.nic.it Lines: 14 Organization: linux.* mail to news gateway X-Original-Cc: , X-Original-Date: Mon, 28 Sep 2015 14:24:44 +0100 X-Original-Message-ID: <56093F9C.6030400@citrix.com> X-Original-References: <1442840968-23052-1-git-send-email-boris.ostrovsky@oracle.com> X-Original-Sender: linux-kernel-owner@vger.kernel.org Xref: csiph.com linux.kernel:1234155 On 21/09/15 14:09, Boris Ostrovsky wrote: > For PV guests these registers are set up by hypervisor and thus > should not be written by the guest. The comment in xen_write_msr_safe() > says so but we still write the MSRs, causing the hypervisor to > print a warning. Applied to for-linus-4.3, thanks. David -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/