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Re: [MINI-OS PATCH 0/6] hide struct start_info from PVH code
- To: Juergen Gross <jgross@xxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 23 Jun 2025 10:45:05 +0200
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- Cc: samuel.thibault@xxxxxxxxxxxx, minios-devel@xxxxxxxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Mon, 23 Jun 2025 08:45:16 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 19.06.2025 13:37, Juergen Gross wrote:
> While working on xenstore-stubdom live update support I came across
> some really unpleasant code using struct start_info even when running
> in PVH mode.
>
> Especially suspend/resume was doing some crazy stuff, including
> overwriting the initial struct hvm_start_info partially.
>
> This series is hiding struct start_info from PVH code. This didn't
> result in any runtime error, but in future I'll need to access struct
> hvm_start_info some time after boot, so I need to get that fixed.
>
> Tested especially with xl suspend/resume and xl save/restore in PV and
> in PVH mode.
>
> Juergen Gross (6):
> suspend: drop crazy pfn handling for PVH
> setup: drop parameter from map_shared_info()
> x86/pv: remove global start_info
> console: drop parameter from get_console()
> xenbus: drop parameter from get_xenbus()
> x86/pv: make start_info_ptr PV-only
Before I even try: Does this series interfere in any way with the kexec one,
and hence may need re-basing on top of that (which I've pushed a minute ago)?
Jan
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