BACKPORT: FROMLIST: iommu/arm-smmu-v3-kvm: Add per-cpu page queue
Allocate page queues shared with the hypervisor for page donation and reclaim. A local_lock ensures that only one thread fills the queue during a hypercall. Link: https://lore.kernel.org/kvmarm/20230201125328.2186498-39-jean-philippe@linaro.org/i (cherry picked from commit d86c5b8d2dfefcc4075cba24d77d25f50612808d https://jpbrucker.net/git/linux/log/?h=pkvm/smmu ) [smostafa Add hyp allocator top up as alloc_domain needs it] Bug: 277989609 Bug: 278749606 Change-Id: Ib4b3bfada20ef0ad3a6a88ddc0e4da5c9cf77bb7 Signed-off-by:Jean-Philippe Brucker <jean-philippe@linaro.org>
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