Hello all,
I am trying to porting jailhouse on our arm64 base board. I created
configuration for inmate cell and
trying to launch it. I have cpu bit mask 0xf for root cell and 0x8 for
inmate.
This is my log:
NONROOT: handle_hvc
NONROOT: bitmap f, max_cpu_id 63
NONROOT: suspend CPU 1
NONROOT: cpu 1 try suspend
SGI_EVENT
NONROOT: cpu 1 suspended
NONROOT: suspend CPU 2
NONROOT: cpu 2 try suspend
SGI_EVENT
NONROOT: cpu 2 suspended
NONROOT: suspend CPU 3
NONROOT: cpu 3 try suspend
In function cell_create called cell_suspend(&root_cell) and stuck.
As you can see code performed on CPU 0 and it try suspend CPU 1,2 and 3. 1
and 2 suspended successfully.
But in case of CPU 3 it stuck in function arch_suspend_cpu on line:
while (!target_data->cpu_suspended)
cpu_relax();
SGI_EVENT sent to CPU 3 but doesn’t reach to exception routine.
CPU 3 is in down state in linux. Why we need suspend CPU 3 that now belong
to inmate cell ?
Thanks,
Vladimir
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