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Re: [Xen-devel] [PATCH v10 5/6] x86/ioreq server: Asynchronously reset outstanding p2m_ioreq_server entries.
>>> On 05.04.17 at 19:28, <yu.c.zhang@xxxxxxxxxxxxxxx> wrote:
> Well, count in atomic_write_ept_entry() only works for ept. Besides, it
> requires
> interface changes - need to pass the p2m.
> Another thought is - now in XenGT, PoD is disabled to make sure gfn->mfn
> does
> not change. So how about we disable ballooning if ioreq.entry_count is
> not 0?
You can't disable ballooning - the guest is free to make decisions
regarding what memory to return to the hypervisor all by itself.
Tool stack directions (via xenstore) are merely a hint for well
behaved guests.
Jan
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