Re: [Xen-devel] [PATCH] xen: fix pv domain on amd in 4.9 stable branch

["Woodhouse, David" <dwmw@xxxxxxxxxxxx>]

On Wed, 2018-05-30 at 11:46 +0200, Greg KH wrote:
> 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.

Apologies for messing that up. Thanks for fixing it.

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