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From: Juergen Gross <jgross@suse.com>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: xen-devel <xen-devel@lists.xenproject.org>,
	Boris Ostrovsky <boris.ostrovsky@oracle.com>,
	stable <stable@vger.kernel.org>
Subject: Re: Patches for stable
Date: Wed, 4 Apr 2018 16:30:30 +0200	[thread overview]
Message-ID: <e17d3e80-b019-ac09-d796-771ed38d91e5__33993.0399357856$1522852159$gmane$org@suse.com> (raw)
In-Reply-To: <20180404142702.GA20460@kroah.com>

On 04/04/18 16:27, Greg KH wrote:
> On Wed, Apr 04, 2018 at 12:38:43PM +0200, Juergen Gross wrote:
>> Please add the patches:
>>
>> commit 038bac2b02989acf1fc938cedcb7944c02672b9f upstream
>> commit dfc9327ab7c99bc13e12106448615efba833886b upstream
>> commit b17d9d1df3c33a4f1d2bf397e2257aecf9dc56d4 upstream
>>
>> to the 4.15 and 4.16 stable kernels.
>>
>> Those patches are needed to boot Linux as PVH guest on recent Xen.
> 
> So a new feature?  Why is that ok for stable kernels?

It works for kernels since at least 4.11 on Xen 4.10.

> 
>> In PVH mode there is no guarantee the kernel can find the RSDP table
>> at the legacy location in low memory, which is a requirement for the
>> kernel to boot successful without those patches.
> 
> Why not just use newer kernels for new Xen features?  This really
> doesn't look like a bugfix to me, does it to you?

It does. A working setup will no longer work if Xen version is upgraded
to 4.11.


Juergen

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  parent reply	other threads:[~2018-04-04 14:30 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-04 10:38 Patches for stable Juergen Gross
2018-04-04 14:27 ` Greg KH
2018-04-04 14:27 ` Greg KH
2018-04-04 14:30   ` Juergen Gross
2018-04-04 14:46     ` Greg KH
2018-04-04 15:12       ` Juergen Gross
2018-04-04 15:12       ` Juergen Gross
2018-04-04 15:42         ` Greg KH
2018-04-04 16:32           ` Juergen Gross
2018-04-04 16:32           ` Juergen Gross
2018-04-05  6:33             ` Greg KH
2018-04-05  7:02               ` Juergen Gross
2018-04-05  7:14                 ` Greg KH
2018-04-05  7:14                 ` Greg KH
2018-04-05  8:00                   ` Juergen Gross
2018-04-05  8:00                   ` [Xen-devel] " Juergen Gross
2018-04-05 10:06                     ` George Dunlap
2018-04-05 10:06                     ` [Xen-devel] " George Dunlap
2018-04-05 10:15                       ` George Dunlap
2018-04-05 10:15                       ` [Xen-devel] " George Dunlap
2018-04-05 12:19                       ` Juergen Gross
2018-04-05 12:19                       ` [Xen-devel] " Juergen Gross
2018-04-05 13:00                         ` Boris Ostrovsky
2018-04-05 13:00                         ` [Xen-devel] " Boris Ostrovsky
2018-04-05 13:06                           ` Juergen Gross
2018-04-05 13:06                           ` [Xen-devel] " Juergen Gross
2018-04-05 13:42                             ` George Dunlap
2018-04-05 13:42                             ` [Xen-devel] " George Dunlap
2018-04-05 14:09                               ` Juergen Gross
2018-04-05 14:56                                 ` George Dunlap
2018-04-05 14:56                                 ` [Xen-devel] " George Dunlap
2018-04-05 17:11                                   ` Juergen Gross
2018-04-05 18:33                                     ` Boris Ostrovsky
2018-04-06  8:00                                       ` Juergen Gross
2018-04-06  9:38                                         ` George Dunlap
2018-04-06  9:49                                       ` George Dunlap
2018-04-06 10:02                                         ` Juergen Gross
2018-04-06 10:07                                           ` George Dunlap
2018-04-06 10:57                                             ` Juergen Gross
2018-04-06 11:13                                               ` George Dunlap
2018-04-06 13:12                                                 ` Juergen Gross
2018-04-06 13:33                                                   ` George Dunlap
2018-04-06 14:10                                                     ` Boris Ostrovsky
2018-04-06 15:15                                                       ` Juergen Gross
2018-04-06 10:13                                     ` George Dunlap
2018-04-06 10:44                                       ` Juergen Gross
2018-04-05 14:09                               ` Juergen Gross
2018-04-05 20:20                 ` Thomas Backlund
2018-04-05 20:20                 ` Thomas Backlund
2018-04-05  7:02               ` Juergen Gross
2018-04-05  6:33             ` Greg KH
2018-04-04 15:42         ` Greg KH
2018-04-04 14:46     ` Greg KH
2018-04-04 14:30   ` Juergen Gross [this message]
2018-04-04 10:38 Juergen Gross

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