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Sasha Levin
73f7e5b399
Coalescing MMIO allows us to avoid an exit every time we have a MMIO write, instead - MMIO writes are coalesced in a ring which can be flushed once an exit for a different reason is needed. A MMIO exit is also trigged once the ring is full. Coalesce all MMIO regions registered in the MMIO mapper. Add a coalescing handler under kvm_cpu. Signed-off-by: Sasha Levin <levinsasha928@gmail.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>