Re: [dpdk-dev] [PATCH 18.11] pci/vfio: allow mapping MSI-X BARs if kernel allows it

2018-07-31 Thread Burakov, Anatoly
On 31-Jul-18 10:38 AM, Takeshi Yoshimura wrote: 2018-07-30 20:17 GMT+09:00 Anatoly Burakov : Currently, DPDK will skip mapping some areas (or even an entire BAR) if MSI-X happens to be in it but is smaller than page address. Kernels 4.16+ will allow mapping MSI-X BARs [1], and will report this

Re: [dpdk-dev] [PATCH 18.11] pci/vfio: allow mapping MSI-X BARs if kernel allows it

2018-07-31 Thread Takeshi Yoshimura
2018-07-30 20:17 GMT+09:00 Anatoly Burakov : > Currently, DPDK will skip mapping some areas (or even an entire BAR) > if MSI-X happens to be in it but is smaller than page address. > > Kernels 4.16+ will allow mapping MSI-X BARs [1], and will report this > as a capability flag. Capability flags the

[dpdk-dev] [PATCH 18.11] pci/vfio: allow mapping MSI-X BARs if kernel allows it

2018-07-30 Thread Anatoly Burakov
Currently, DPDK will skip mapping some areas (or even an entire BAR) if MSI-X happens to be in it but is smaller than page address. Kernels 4.16+ will allow mapping MSI-X BARs [1], and will report this as a capability flag. Capability flags themselves are also only supported since kernel 4.6 [2].