A lot of the code in platforms/pseries is using non-machine initcalls.
That means if a kernel built with pseries support runs on another
platform, for example powernv, the initcalls will still run.
Most of these cases are OK, though sometimes only due to luck. Some were
having more effect:
* hcall_inst_init
- Checking FW_FEATURE_LPAR which is set on ps3 & celleb.
* mobility_sysfs_init
- created sysfs files unconditionally
- but no effect due to ENOSYS from rtas_ibm_suspend_me()
* apo_pm_init
- created sysfs, allows write
- nothing checks the value written to though
* alloc_dispatch_log_kmem_cache
- creating kmem_cache on non-pseries machines
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
In commit a489043 "Implement arch_get_random_long() based on H_RANDOM" I
broke the SMP=n build. We were getting plpar_wrappers.h via spinlock.h
which breaks when SMP=n.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Add support for the arch_get_random_long() hook based on the H_RANDOM
hypervisor call. We trust the hypervisor to provide us with random data,
ie. we don't whiten it in anyway.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Michael Ellerman