Re: [PATCH 1/3] powerpc/powernv/npu: Reduce eieio usage when issuing ATSD invalidates

2018-10-02 Thread Alistair Popple
Thanks, this looks good to me. Reviewed-by: Alistair Popple On Thursday, 27 September 2018 4:23:09 PM AEST Mark Hairgrove wrote: > There are two types of ATSDs issued to the NPU: invalidates targeting a > specific virtual address and invalidates targeting the whole address > space. In both cases

[PATCH 1/3] powerpc/powernv/npu: Reduce eieio usage when issuing ATSD invalidates

2018-09-27 Thread Mark Hairgrove
There are two types of ATSDs issued to the NPU: invalidates targeting a specific virtual address and invalidates targeting the whole address space. In both cases prior to this change, the sequence was: for each NPU - Write the target address to the XTS_ATSD_AVA register - EIEIO