ipi send call seq

[   11.358854] [<ffff0000080aeeec>] vgic_mmio_write_sgir+0x8/0xc
[   11.359755] [<ffff00000809b008>] __kvm_io_bus_write+0xb8/0x11c
[   11.360667] [<ffff00000809b0a8>] kvm_io_bus_write+0x3c/0x4c
[   11.361543] [<ffff0000080a6d38>] io_mem_abort+0xe4/0x264
[   11.362374] [<ffff0000080a60a4>] kvm_handle_guest_abort+0x340/0x694
[   11.363350] [<ffff0000080a8540>] handle_exit+0x12c/0x224
[   11.364179] [<ffff0000080a2b64>] kvm_arch_vcpu_ioctl_run+0x29c/0x48c
[   11.365175] [<ffff00000809b6e0>] kvm_vcpu_ioctl+0x2f4/0x734
[   11.366046] [<ffff0000081c9234>] do_vfs_ioctl+0xac/0x77c
[   11.366880] [<ffff0000081c9988>] SyS_ioctl+0x84/0x98