[PATCH v3 08/10] KVM: arm64: Handle FFA_MEM_LEND calls from the host

Will Deacon will at kernel.org
Mon Jul 14 02:58:23 PDT 2025


On Mon, Jul 14, 2025 at 11:14:00AM +0900, DaeRo Lee wrote:
> Is it pKVM's policy to not manage Non-secure memory using FF-A, while the FF-A
> specification supports memory management between Host/Guest within Non-secure
> hypervisors?
> 
> Then, how does someone lend memory to a Guest from the Host/Guest via FF-A? Can
> pKVM prevent this? Or should Host/Guest developers use it with caution?


Perhaps you could read the code and find out.

Will



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