Re: [Xen-devel] [PATCH] x86/shim: fix ballooning down the guest

[Roger Pau Monné <roger.pau@xxxxxxxxxx>]

On Thu, Sep 26, 2019 at 02:36:18PM +0100, Sergey Dyasli wrote:
> Currently ballooning down a pvshim guest causes the following errors
> inside the shim:
> 
>     d3v0 failed to reserve 512 extents of order 512 for offlining
> 
> And the ballooned-out pages stay inside shim and don't reach L0 Xen.
> 
> Fix this by passing the correct arguments to pv_shim_offline_memory()
> during a XENMEM_decrease_reservation request.
> 

This is missing:

Fixes: b2245acc60c3 ('xen/pvshim: memory hotplug')

> Signed-off-by: Sergey Dyasli <sergey.dyasli@xxxxxxxxxx>

Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

Also adding Juergen for a release Ack.

Thanks, Roger.

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