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Re: [Xen-devel] [PATCH v5 0/9] toolstack-based approach to pvhvm guest kexec

On Wed, Jan 07, David Vrabel wrote:

> 2. Reducing the balloon prior to kexec.

We carry a patch for kexec(1) which does balloon up before doing the
actual kexec call. I propose to get such change into the upstream kexec
tools if that is indeed the way to go. The benefit is that the guest
waits until every ballooned page is populated. If the host is short on
memory then the guest will hang instead of crash after kexec.



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