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SubjectRe: [PATCH v2] xen: fix booting ballooned down hvm guest
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Juergen Gross:
> Commit 96edd61dcf44362d3ef0bed1a5361e0ac7886a63 ("xen/balloon: don't
> online new memory initially") introduced a regression when booting a
> HVM domain with memory less than mem-max: instead of ballooning down
> immediately the system would try to use the memory up to mem-max
> resulting in Xen crashing the domain.
>
> For HVM domains the current size will be reflected in Xenstore node
> memory/static-max instead of memory/target.
>
> Additionally we have to trigger the ballooning process at once.
>
> Cc: <stable@vger.kernel.org> # 4.13
> Fixes: 96edd61dcf44362d3ef0bed1a5361e0ac7886a63 ("xen/balloon: don't
> online new memory initially")
>
> Reported-by: Simon Gaiser <hw42@ipsumj.de>
> Suggested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
> Signed-off-by: Juergen Gross <jgross@suse.com>

Fixes the issues for me. Thanks.

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