Re: [Qemu-devel] [PATCH 2/2] memory: Split zones when do coalesced_io_del()

2019-08-19 Thread Paolo Bonzini
On 17/08/19 11:32, Peter Xu wrote: > It is a workaround of current KVM's KVM_UNREGISTER_COALESCED_MMIO > interface. The kernel interface only allows to unregister an mmio > device with exactly the zone size when registered, or any smaller zone > that is included in the device mmio zone. It does n

[Qemu-devel] [PATCH 2/2] memory: Split zones when do coalesced_io_del()

2019-08-17 Thread Peter Xu
It is a workaround of current KVM's KVM_UNREGISTER_COALESCED_MMIO interface. The kernel interface only allows to unregister an mmio device with exactly the zone size when registered, or any smaller zone that is included in the device mmio zone. It does not support the userspace to specify a very