On Wed, Nov 11, 2020 at 04:45:25PM +0100, David Marchand wrote: > On Wed, Nov 11, 2020 at 4:40 PM Marvin Liu <yong....@intel.com> wrote: > > > > Data prefetch instruction can preload data into cpu’s hierarchical > > cache before data access. Virtio datapath utilized this feature for > > data access acceleration. As config RTE_PMD_PACKET_PREFETCH was > > discarded, now packet data prefetch is enabled based on architecture. > > IIUC, this config item was set for all architectures under make compilation. > > $ git grep RTE_PMD_PACKET_PREFETCH v20.08 config/ > v20.08:config/common_base:CONFIG_RTE_PMD_PACKET_PREFETCH=y > > Now that we switched to meson, it got lost and this patch only > restores it for x86. > Can other architectures check this? > If it was globally enabled before, it probably should just be added to config/rte_config.h file.
/Bruce
