Re: [PATCH v4 04/21] powerpc/powernv: Improve IO and M32 mapping

2015-05-10 Thread Gavin Shan
On Sat, May 09, 2015 at 08:53:38PM +1000, Alexey Kardashevskiy wrote: >On 05/01/2015 04:02 PM, Gavin Shan wrote: >>The PHB's IO or M32 window is divided evenly to segments, each of >>them can be mapped to arbitrary PE# by IODT or M32DT. Current code >>figures out the consumed IO and M32 segments by

Re: [PATCH v4 04/21] powerpc/powernv: Improve IO and M32 mapping

2015-05-09 Thread Alexey Kardashevskiy
On 05/01/2015 04:02 PM, Gavin Shan wrote: The PHB's IO or M32 window is divided evenly to segments, each of them can be mapped to arbitrary PE# by IODT or M32DT. Current code figures out the consumed IO and M32 segments by one particular PE from the windows of the PE's upstream bridge. It won't b