Re: [PATCH] ocxl: Mmio invalidation support

2020-11-16 Thread Andrew Donnellan
On 14/11/20 2:33 am, Christophe Lombard wrote: OpenCAPI 4.0/5.0 with TLBI/SLBI Snooping, is not used due to performance problems caused by the PAU having to process all incoming TLBI/SLBI commands which will cause them to back up on the PowerBus. When the Address Translation Mode requires TLB an

Re: [PATCH] ocxl: Mmio invalidation support

2020-11-16 Thread Frederic Barrat
On 13/11/2020 16:33, Christophe Lombard wrote: OpenCAPI 4.0/5.0 with TLBI/SLBI Snooping, is not used due to performance problems caused by the PAU having to process all incoming TLBI/SLBI commands which will cause them to back up on the PowerBus. When the Address Translation Mode requires TLB

[PATCH] ocxl: Mmio invalidation support

2020-11-13 Thread Christophe Lombard
OpenCAPI 4.0/5.0 with TLBI/SLBI Snooping, is not used due to performance problems caused by the PAU having to process all incoming TLBI/SLBI commands which will cause them to back up on the PowerBus. When the Address Translation Mode requires TLB and SLB Invalidate operations to be initiated using