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

[Juergen Gross <jgross@xxxxxxxx>]

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? Samuel gave his R-b nearly 2 weeks
ago.


Juergen

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