Re: [dpdk-dev] [PATCH v2 3/4] eal: enable WC during resources mapping

2018-06-29 Thread Ferruh Yigit
On 6/29/2018 11:28 AM, Rafał Kozik wrote: > 2018-06-29 11:05 GMT+02:00 Ferruh Yigit : >> On 6/29/2018 9:58 AM, Rafał Kozik wrote: >>> 2018-06-28 16:50 GMT+02:00 Ferruh Yigit : On 6/28/2018 2:15 PM, Rafal Kozik wrote: > Write combining (WC) increases NIC performance by making better > u

Re: [dpdk-dev] [PATCH v2 3/4] eal: enable WC during resources mapping

2018-06-29 Thread Rafał Kozik
2018-06-29 11:05 GMT+02:00 Ferruh Yigit : > On 6/29/2018 9:58 AM, Rafał Kozik wrote: >> 2018-06-28 16:50 GMT+02:00 Ferruh Yigit : >>> On 6/28/2018 2:15 PM, Rafal Kozik wrote: Write combining (WC) increases NIC performance by making better utilization of PCI bus, but cannot be used by all

Re: [dpdk-dev] [PATCH v2 3/4] eal: enable WC during resources mapping

2018-06-29 Thread Ferruh Yigit
On 6/29/2018 9:58 AM, Rafał Kozik wrote: > 2018-06-28 16:50 GMT+02:00 Ferruh Yigit : >> On 6/28/2018 2:15 PM, Rafal Kozik wrote: >>> Write combining (WC) increases NIC performance by making better >>> utilization of PCI bus, but cannot be used by all PMDs. >>> >>> It will be enabled only if RTE_PCI

Re: [dpdk-dev] [PATCH v2 3/4] eal: enable WC during resources mapping

2018-06-29 Thread Rafał Kozik
2018-06-28 16:50 GMT+02:00 Ferruh Yigit : > On 6/28/2018 2:15 PM, Rafal Kozik wrote: >> Write combining (WC) increases NIC performance by making better >> utilization of PCI bus, but cannot be used by all PMDs. >> >> It will be enabled only if RTE_PCI_DRV_WC_ACTIVATE will be set in >> drivers flags

Re: [dpdk-dev] [PATCH v2 3/4] eal: enable WC during resources mapping

2018-06-28 Thread Ferruh Yigit
On 6/28/2018 2:15 PM, Rafal Kozik wrote: > Write combining (WC) increases NIC performance by making better > utilization of PCI bus, but cannot be used by all PMDs. > > It will be enabled only if RTE_PCI_DRV_WC_ACTIVATE will be set in > drivers flags. For proper work also igb_uio driver must be lo

[dpdk-dev] [PATCH v2 3/4] eal: enable WC during resources mapping

2018-06-28 Thread Rafal Kozik
Write combining (WC) increases NIC performance by making better utilization of PCI bus, but cannot be used by all PMDs. It will be enabled only if RTE_PCI_DRV_WC_ACTIVATE will be set in drivers flags. For proper work also igb_uio driver must be loaded with wc_activate set to 1. When mapping PCI r