guest dvm fail

[gaozhangfei]

DVM: "Distributed Virtual Memory", an Arm interconnect
protocol. When sharing a process address space, TLB invalidations from the
CPU are broadcasted to the SMMU, so we don't have to send commands through
the SMMU queue to invalidate IOTLBs

guest: fail
estuary:/mnt$ ./test_sva_bind -s 0x1000 -b 0x1000 -k t
TLB test failed, broken invalidate! VA=0xffff9d3f9000-0xffff9d3fafff

host: succeed
sudo ./test_sva_bind -s 0x1000 -b 0x1000 -k t bad status (s=66, t=3, expected)
wd_sched_work: -14
TLB test success
SUCCESS

[gaozhangfei]

replaced by iommufd, closed now.