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Re: [PATCH v1 0/6] nestedsvm: Misc fixes
- To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>
- Date: Thu, 6 Aug 2026 10:46:19 +0000
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- Cc: Jan Beulich <jbeulich@xxxxxxxx>, Andrew Cooper <andrew.cooper@xxxxxxxxxx>, Roger Pau Monne <roger.pau@xxxxxxxxxx>, Jason Andryuk <jason.andryuk@xxxxxxx>, Teddy Astie <teddy.astie@xxxxxxxxxx>
- Delivery-date: Thu, 06 Aug 2026 10:46:26 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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- Thread-index: AQHc7QzgdzWBfRT220y6Z9wl6s7+W7aRRvIr
- Thread-topic: [PATCH v1 0/6] nestedsvm: Misc fixes
> From: Ross Lagerwall
> Sent: Tuesday, May 26, 2026 1:40 PM
> To: xen-devel@xxxxxxxxxxxxxxxxxxxx
> Cc: Ross Lagerwall; Jan Beulich; Andrew Cooper; Roger Pau Monne; Jason
> Andryuk; Teddy Astie
> Subject: [PATCH v1 0/6] nestedsvm: Misc fixes
>
> Before this series, running Linux on Xen on Xen on a modern AMD
> processor would lock up L1 shortly after L2 reached the bootloader.
> Furthermore, L1's domain could not be destroyed.
>
> After this series, repeating the same results in L2 crashing shortly
> after it reaches the Linux kernel but L1 survives and its domain can be
> properly destroyed. This is not great but is at least some small amount
> of progress.
>
> Thanks,
> Ross
>
> Ross Lagerwall (6):
> nestedsvm: Fix CR3 MBZ check
> nestedsvm: Adjust L2's DR intercept when adjusting L1
> nestedsvm: Use the correct VMCB for vGIF
> nestedsvm: Set GIF during VMRUN if vGIF is enabled
> nestedsvm: Fix deferred event injection
> nestedsvm: Allow destroying the domain fully
Ping? Can I please get some reviews on patches 3, 4, and 5 please?
Thanks,
Ross
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