From: "Woodhouse, David" <dwmw@amazon.co.uk>
To: "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
"jgross@suse.com" <jgross@suse.com>
Cc: "xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
"boris.ostrovsky@oracle.com" <boris.ostrovsky@oracle.com>,
"stable@vger.kernel.org" <stable@vger.kernel.org>
Subject: Re: [PATCH] xen: fix pv domain on amd in 4.9 stable branch
Date: Wed, 30 May 2018 10:29:05 +0000 [thread overview]
Message-ID: <1527676145.8739.64.camel@amazon.co.uk> (raw)
In-Reply-To: <20180530094640.GC25193@kroah.com>
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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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Amazon Development Centre (London) Ltd. Registered in England and Wales with registration number 04543232 with its registered office at 1 Principal Place, Worship Street, London EC2A 2FA, United Kingdom.
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next prev parent reply other threads:[~2018-05-30 10:29 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20180529131136.15624-1-jgross@suse.com>
2018-05-30 8:33 ` [PATCH] xen: fix pv domain on amd in 4.9 stable branch Greg KH
[not found] ` <20180530083336.GC9685@kroah.com>
2018-05-30 9:33 ` Juergen Gross
[not found] ` <a0a245e4-8704-c572-d101-c54675c104e1@suse.com>
2018-05-30 9:46 ` Greg KH
[not found] ` <20180530094640.GC25193@kroah.com>
2018-05-30 10:29 ` Woodhouse, David [this message]
2018-05-29 13:11 Juergen Gross
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