From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.kernel.org ([198.145.29.99]:50932 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965077AbeE3JrA (ORCPT ); Wed, 30 May 2018 05:47:00 -0400 Date: Wed, 30 May 2018 11:46:40 +0200 From: Greg KH To: Juergen Gross Cc: stable@vger.kernel.org, xen-devel@lists.xenproject.org, David Woodhouse , Boris Ostrovsky Subject: Re: [PATCH] xen: fix pv domain on amd in 4.9 stable branch Message-ID: <20180530094640.GC25193@kroah.com> References: <20180529131136.15624-1-jgross@suse.com> <20180530083336.GC9685@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: stable-owner@vger.kernel.org List-ID: On Wed, May 30, 2018 at 11:33:22AM +0200, Juergen Gross wrote: > On 30/05/18 10:33, Greg KH wrote: > > On Tue, May 29, 2018 at 03:11:36PM +0200, Juergen Gross wrote: > >> Commit 944e0fc51a89c9827b98813d65dc083274777c7f ("x86/amd: don't set > >> X86_BUG_SYSRET_SS_ATTRS when running under Xen") breaks Xen pv-domains > >> on AMD processors, as a prerequisite patch from upstream wasn't added > >> to 4.9. > > > > What is the prerequsite patch's git id in Linus's tree? > > Commit 0808e80cb760de2733c0527d2090ed2205a1eef8. It won't apply, > backporting is rather easy, though. > > I thought this was a patch in the middle of a larger series, but > obviously I misremembered. It was the first patch of that series. > > I'll send a series in case you don't object: > > - revert of stable-4.9 944e0fc51a89c9827b98813d65dc083274777c7f > - backport of 0808e80cb760de2733c0527d2090ed2205a1eef8 > - new backport of def9331a12977770cc6132d79f8e6565871e8e38 That would be great, I'll gladly take that, thanks. greg k-h