From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f193.google.com ([209.85.128.193]:36662 "EHLO mail-wr0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752754AbeDLIIs (ORCPT ); Thu, 12 Apr 2018 04:08:48 -0400 Date: Thu, 12 Apr 2018 10:08:44 +0200 From: Ingo Molnar To: Jan Beulich Cc: x86@kernel.org, tglx@linutronix.de, xen-devel@lists.xenproject.org, boris.ostrovsky@oracle.com, mingo@redhat.com, Juergen Gross , linux-kernel@vger.kernel.org, stable@vger.kernel.org, hpa@zytor.com Subject: Re: [Xen-devel] [PATCH] x86/xen: zero MSR_IA32_SPEC_CTRL before suspend Message-ID: <20180412080844.mof7ukyeuhd3dsoq@gmail.com> 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> <5ACE149E02000078001BA424@prv1-mh.provo.novell.com> <20180412073219.2h5fqc7megvepoa6@gmail.com> <5ACF2CB002000078001BA984@prv1-mh.provo.novell.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <5ACF2CB002000078001BA984@prv1-mh.provo.novell.com> Sender: stable-owner@vger.kernel.org List-ID: * Jan Beulich wrote: > >>> On 12.04.18 at 09:32, wrote: > > > * Jan Beulich wrote: > > > >> >>> 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. > > > > Got any specific link or subject line for that submission? > > Sure, as written in the original response to J�rgen's patch: > https://patchwork.kernel.org/patch/10153843/ Argh, indeed you did! In any case, this submission from Tim Chen: [PATCH v3 0/5] IBRS patch series Contained a glaring bug in patch #2 which Thomas pointed out, and AFAICS the series was never resubmitted to lkml so it got lost. In any case thanks for the reminder! Thanks, Ingo