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Wed, 11 Apr 2018 07:58:59 -0400 Received: from prv1-mh.provo.novell.com ([137.65.248.33]:50818 "EHLO prv1-mh.provo.novell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751699AbeDKL67 (ORCPT ); Wed, 11 Apr 2018 07:58:59 -0400 Message-Id: <5ACE149E02000078001BA424@prv1-mh.provo.novell.com> X-Mailer: Novell GroupWise Internet Agent 18.0.0 Date: Wed, 11 Apr 2018 05:58:54 -0600 From: "Jan Beulich" To: "Ingo Molnar" Cc: , , , , , "Juergen Gross" , , , Subject: Re: [Xen-devel] [PATCH] x86/xen: zero MSR_IA32_SPEC_CTRL before suspend References: <20180226140818.4849-1-jgross@suse.com> <5AA8F00302000078001B15EE@suse.com> <6b59ac31-7e90-1c18-2467-d7d294da6e5b@suse.com> <5ACDEE5B02000078001BA2DE@prv1-mh.provo.novell.com> <20180411115350.lvx5yaevoq6arwg3@gmail.com> In-Reply-To: <20180411115350.lvx5yaevoq6arwg3@gmail.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 11.04.18 at 13:53, wrote: > * Jan Beulich wrote: > >> Additionally, x86 maintainers: is there a particular reason this (or >> any functionally equivalent patch) isn't upstream yet? As indicated >> before, I had not been able to find any discussion, and hence I >> see no reason why this is a patch we effectively carry privately in >> our distro branches (and likely other distros do so too). > > The patch was merged 6 weeks ago and is now upstream: > > 71c208dd54ab: x86/xen: Zero MSR_IA32_SPEC_CTRL before suspend I'm sorry, but no, this isn't the patch I was inquiring about. Instead I'm wondering of the disposition of the patch disabling IBRS around a CPU going idle. Jan