On 11/29/2017 12:21 AM, Alexey Brodkin wrote: > As of today we assumed that "machine_desc->init_per_cpu" calls > are only usable on SMP systems when we want to run some piece of > code on early boot for each and every core, I guess assumption was > we have "machine_desc->init_early" for single-core cases where > the one and only master core can do all the things. > > But it turned out for platforms which might be both UP and SMP it > might be benificial to use "init_per_cpu" for both UP and SMP cases > with which we achieve 2 things simultaneously: > 1) Exactly the same one code will be used for UP&SMP for > things required to be done on each an every core regardless if it's > a master and the only core in UP system or any other slave core in SMP > setup. > 1) There will be no "ifdef CONFIG_SMP" around "init_per_cpu". > Seems fine to me. However this needs to go with the actual platform change which needs it. -Vineet