[Bug 236513] HP Thin clients T620/T730 ACPI: Only CPU core 0 detects C2 state

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236513

--- Comment #37 from John Baldwin <jhb at FreeBSD.org> ---
Created attachment 203218
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=203218&action=edit
shareable_acpi_set_resource.patch

This is an untested hack that uses RF_SHAREABLE when reserving resources for
CPUs.  The other approach is we could just not reserve resources for CPU
devices which might be safer as it would then always honor the flags passed to
bus_alloc_resource().

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