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From: Greg KH <gregkh@linuxfoundation.org>
To: Juergen Gross <jgross@suse.com>
Cc: stable@vger.kernel.org, xen-devel@lists.xenproject.org,
	David Woodhouse <dwmw@amazon.co.uk>,
	Boris Ostrovsky <boris.ostrovsky@oracle.com>
Subject: Re: [PATCH] xen: fix pv domain on amd in 4.9 stable branch
Date: Wed, 30 May 2018 11:46:40 +0200	[thread overview]
Message-ID: <20180530094640.GC25193@kroah.com> (raw)
In-Reply-To: <a0a245e4-8704-c572-d101-c54675c104e1@suse.com>

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

      reply	other threads:[~2018-05-30  9:47 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-29 13:11 [PATCH] xen: fix pv domain on amd in 4.9 stable branch Juergen Gross
2018-05-30  8:33 ` Greg KH
2018-05-30  9:33   ` Juergen Gross
2018-05-30  9:46     ` Greg KH [this message]

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