Re: [dpdk-dev] [PATCH v4 0/6] use WFE for locks and ring on aarch64

2019-10-24 Thread David Christensen
This series got a lot of attention from ARM people and it seems ready for integration. But I did not see comment from other architectures, could you have a look please? I spent some time going through the Power ISA specification and the Linux code and didn't find an equivalent. Under Linux thi

Re: [dpdk-dev] [PATCH v4 0/6] use WFE for locks and ring on aarch64

2019-10-16 Thread David Marchand
Hello guys, This series got a lot of attention from ARM people and it seems ready for integration. But I did not see comment from other architectures, could you have a look please? Thanks. -- David Marchand On Thu, Aug 22, 2019 at 8:13 AM Gavin Hu wrote: > > DPDK has multiple use cases where

[dpdk-dev] [PATCH v4 0/6] use WFE for locks and ring on aarch64

2019-08-21 Thread Gavin Hu
DPDK has multiple use cases where the core repeatedly polls a location in memory. This polling results in many cache and memory transactions. Arm architecture provides WFE (Wait For Event) instruction, which allows the cpu core to enter a low power state until woken up by the update to the memory