Re: CONFIG_PPC_VAS depends on 64k pages...?

2020-12-01 Thread Bulent Abali
aults". The library must touch pages ahead to make them present in the memory; occasional page faults is acceptable. It will retry. Bulent From: "Sukadev Bhattiprolu" To: "Christophe Leroy" Cc: "Will Springer" , linuxppc-dev@lists.ozlabs.org, dan...@oct

RE: [PATCH 1/2] powerpc/vas: Report proper error for address translation failure

2020-07-09 Thread Bulent Abali
copied verbatim from P9 DD2 Nest Accelerators Workbook Version 3.2 Table 4-36. CSB Non-zero CC Reported Error Types CC=5, Error Type: Translation, Comment: Unused, defined by RFC02130 (footnote: DMA controller uses this CC internally in translation fault handling. Do not reuse for other