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Re: [PATCH v3 0/4] mini-os: some memory map updates for PVH


  • To: Juergen Gross <jgross@xxxxxxxx>, wl@xxxxxxx
  • From: Jan Beulich <jbeulich@xxxxxxxx>
  • Date: Mon, 4 Jul 2022 11:20:06 +0200
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  • Cc: samuel.thibault@xxxxxxxxxxxx, Julien Grall <julien@xxxxxxx>, minios-devel@xxxxxxxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, "committers@xxxxxxxxxxxxxx" <committers@xxxxxxxxxxxxxx>
  • Delivery-date: Mon, 04 Jul 2022 09:20:13 +0000
  • List-id: Mini-os development list <minios-devel.lists.xenproject.org>

On 04.07.2022 11:12, Juergen Gross wrote:
> On 04.07.22 10:55, Julien Grall wrote:
>> Hi Juergen,
>>
>> On 04/07/2022 09:38, Juergen Gross wrote:
>>> On 21.06.22 09:23, Juergen Gross wrote:
>>>> Do some memory map related changes/fixes for PVH mode:
>>>>
>>>> - Prefer the memory map delivered via start-info over the one obtained
>>>>    from the hypervisor. This is a prerequisite for Xenstore-stubdom
>>>>    live-update with rising the memory limit.
>>>>
>>>> - Fix a bug related to ballooning in PVH mode: PVH Xenstore-stubdom
>>>>    can't read its target memory size from Xenstore, as this introduces
>>>>    a chicken-and-egg problem. The memory size read from the hypervisor
>>>>    OTOH includes additional "special" pages marked as reserved in the
>>>>    memory map. Those pages need to be subtracted from the read size.
>>>>
>>>> - Fix a bug in ballooning code in PVH mode when using memory beyond
>>>>    a RAM hole in the memory map
>>>>
>>>> Changes in V3:
>>>> - minor comment for patch 3 addressed
>>>>
>>>> Changes in V2:
>>>> - added patch 4
>>>> - addressed comment regarding patch 3
>>>>
>>>> Juergen Gross (4):
>>>>    mini-os: take newest version of arch-x86/hvm/start_info.h
>>>>    mini-os: prefer memory map via start_info for PVH
>>>>    mini-os: fix number of pages for PVH
>>>>    mini-os: fix bug in ballooning on PVH
>>>>
>>>>   arch/x86/mm.c                         | 23 ++++----
>>>>   balloon.c                             | 18 ++----
>>>>   e820.c                                | 83 ++++++++++++++++++++++++---
>>>>   include/e820.h                        |  6 ++
>>>>   include/x86/arch_mm.h                 |  2 +
>>>>   include/xen/arch-x86/hvm/start_info.h | 63 +++++++++++++++++++-
>>>>   6 files changed, 163 insertions(+), 32 deletions(-)
>>>>
>>>
>>> Could someone please commit this series? 
>>
>> Done.
>>
>>> Samuel gave his R-b nearly 2 weeks
>>> ago.
>>
>> xen-devel is quite high volume and I don't read all the e-mails. If you need 
>> someone to commit then please CC committers@ and this will land in my inbox.
> 
> This is the reason why Wei wanted to be CC-ed for Mini-OS patches in the
> past. He doesn't seem to be interested any more, unfortunately...

And really, with no other indication so far, I've been skipping mini-os
patches on the assumption that Wei would be looking after them. Wei, if
you can't do so anymore, could you please explicitly indicate so?

Jan



 


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